1) Maglev trains use powerful electromagnets and magnetic levitation to float above a guideway and propel trains at speeds over 300 mph without friction from wheels on tracks.
2) There are two main types of maglev systems - electromagnetic suspension systems which use electromagnets to levitate the train, and electrodynamic suspension systems which use superconducting electromagnets and levitate higher.
3) The first commercial maglev line opened in Shanghai in 2003 and connects the city center to the airport in under 10 minutes, while a new line is planned between Shanghai and Hangzhou.
This seminar gives idea about spacecraft propulsion i.e., actually what are different latest modes of propulsion are used in space agency and also the introduction of combustion of propellants.
This document provides an overview of rocketry concepts and history. It is divided into chapters that cover:
1) The history of rockets from ancient Greece and China to modern times, including key figures like Tsiolkovsky, Goddard, and von Braun.
2) Rocket principles like thrust, acceleration, and Newton's laws of motion.
3) The four major systems of rockets - airframe, guidance, control, and propulsion - and how they work.
4) Examples of American rockets like Redstone, Atlas, Titan, Saturn, Space Shuttle, and proposed Constellation rockets.
It outlines learning objectives for students and provides details on rocket science fundamentals and
This was the seminar presentation on my Project report for M.Sc. Degree.
This shows basic and application of Electric propulsion.Which also shows about how electric propulsion is better than chemical propulsion.
This presentation discusses a multi-mode engine that can switch between 2-stroke and 4-stroke operations. By doubling the combustion frequency during 2-stroke operation, the engine is able to double its power output while maintaining work output per cycle. This allows the engine to achieve full load range and high efficiency while minimizing NOx emissions. The presentation provides background on increasing fuel scarcity and vehicle pollution, and explains how a multi-mode engine addresses power demands while improving efficiency and reducing emissions over traditional gasoline and diesel engines.
Aerospace engineering involves the design of aircraft and spacecraft. It encompasses areas like structural design, navigation, and propulsion. The field has advanced significantly since the Wright Brothers' first flight in 1903 and the establishment of NASA in 1958. Aerospace engineers design, test, and manufacture aircraft, missiles, and rockets. The career outlook is strong, with expected salary ranges from $50,000 to $120,000 annually depending on experience level. Aerospace engineering programs focus on courses like aerodynamics, materials science, and computer-aided design.
This document provides an overview of hovercrafts, including their history, basic structure, principles of operation, advantages, and records. It discusses how the first hovercraft designs date back to the 18th century but weren't practical until the 20th century with more powerful engines. The basic components of a hovercraft include propellers, fans, skirts, and lower hulls. Hovercrafts are able to travel over land and water through the use of fans that create an air cushion under the craft. Their advantages include the ability to travel over many surfaces and access more coastal areas.
This seminar gives idea about spacecraft propulsion i.e., actually what are different latest modes of propulsion are used in space agency and also the introduction of combustion of propellants.
This document provides an overview of rocketry concepts and history. It is divided into chapters that cover:
1) The history of rockets from ancient Greece and China to modern times, including key figures like Tsiolkovsky, Goddard, and von Braun.
2) Rocket principles like thrust, acceleration, and Newton's laws of motion.
3) The four major systems of rockets - airframe, guidance, control, and propulsion - and how they work.
4) Examples of American rockets like Redstone, Atlas, Titan, Saturn, Space Shuttle, and proposed Constellation rockets.
It outlines learning objectives for students and provides details on rocket science fundamentals and
This was the seminar presentation on my Project report for M.Sc. Degree.
This shows basic and application of Electric propulsion.Which also shows about how electric propulsion is better than chemical propulsion.
This presentation discusses a multi-mode engine that can switch between 2-stroke and 4-stroke operations. By doubling the combustion frequency during 2-stroke operation, the engine is able to double its power output while maintaining work output per cycle. This allows the engine to achieve full load range and high efficiency while minimizing NOx emissions. The presentation provides background on increasing fuel scarcity and vehicle pollution, and explains how a multi-mode engine addresses power demands while improving efficiency and reducing emissions over traditional gasoline and diesel engines.
Aerospace engineering involves the design of aircraft and spacecraft. It encompasses areas like structural design, navigation, and propulsion. The field has advanced significantly since the Wright Brothers' first flight in 1903 and the establishment of NASA in 1958. Aerospace engineers design, test, and manufacture aircraft, missiles, and rockets. The career outlook is strong, with expected salary ranges from $50,000 to $120,000 annually depending on experience level. Aerospace engineering programs focus on courses like aerodynamics, materials science, and computer-aided design.
This document provides an overview of hovercrafts, including their history, basic structure, principles of operation, advantages, and records. It discusses how the first hovercraft designs date back to the 18th century but weren't practical until the 20th century with more powerful engines. The basic components of a hovercraft include propellers, fans, skirts, and lower hulls. Hovercrafts are able to travel over land and water through the use of fans that create an air cushion under the craft. Their advantages include the ability to travel over many surfaces and access more coastal areas.
The document provides an overview of aerospace engineering. It discusses that aerospace engineering involves designing and building aircraft and spacecraft. It covers the different specializations within aerospace engineering like structural design, navigation/control, guidance, and instrumentation. It also discusses the education and career paths for aerospace engineers.
Future inventions of aerospace engineering presentationAsad Jamil
This document discusses future inventions in aerospace engineering. It describes inventions like the Aeromobil Flying Car 3.0, which can transform from a car to an aircraft. Other inventions discussed include flying commuters, the Pal V One copter car, and an energy harvesting skin for aircraft. The document also outlines future predicted inventions such as the Box Wing Jet "The Eagle", the Supersonic Green Machine, the Airbus Bionic Aircraft, and SpaceX's "Heart of Gold" Mars vehicle.
The document discusses the history and development of flying cars. It describes early prototypes from the 1910s-1940s that attempted to create vehicles capable of both driving and flying. More recent efforts are focused on the Transition, a flying car created by Terrafugia that can convert between modes in 30 seconds. The Transition runs on regular gasoline, flies at over 100 mph, and only requires a standard driver's license to operate after 20 hours of flight training. While flying cars may soon be parked in home garages, many challenges around design, costs, and regulations still need to be addressed.
1) The document discusses the need for electric and hybrid electric vehicles due to environmental and practical concerns about fossil fuel depletion and air pollution from combustion engines.
2) It provides benefits of electric vehicles like higher efficiency and regenerative braking, and lists advantages like noise-free operation and easy maintenance, but also disadvantages like limited range and high battery replacement costs.
3) The document examines the basic structure of a hybrid vehicle, different hybrid systems, and modern vehicle safety technologies like lane departure warning and adaptive cruise control.
Seminar PPT on the topic Space Elevator with details on the Journals used for study.
Content:
>Concept
>Why built it
>Component study
>Major hurdles
>Bibliography
Space elevators are incredibly tall theoretical structures that connects the earths surface and outer space, beyond the geosynchronous orbit (35,800 km). The structure acts as a continuous and viable channel by which payload can be send in to space.
The document discusses railguns, including their history, parts, working principle, current research and development, advantages, disadvantages, and applications. Railguns use electromagnetic force to accelerate a conductive projectile along two parallel conductive rails. They were first proposed in 1918 and prototypes were tested in the 1970s. Current research aims to increase muzzle velocities for applications like launching satellites. Railguns offer higher velocities than chemical guns but challenges include thermal management and structural stresses on rails.
The document discusses the Hyperloop transportation system proposed by Elon Musk as a new mode of transportation that could transport passengers from Los Angeles to San Francisco in just 30 minutes. The Hyperloop would use low-pressure tubes to move capsules carrying passengers at speeds up to 760 mph using linear electric motors. It has the potential to be faster and less expensive than existing modes like high-speed rail, while being more energy efficient and generating less pollution than air travel. Some challenges to implementing the Hyperloop include developing the tube pressurization and capsule turning technologies and addressing passenger space constraints within the small diameter tubes.
The document discusses the development and design of the supersonic Concorde aircraft. It describes how the British and French governments agreed in 1962 to jointly develop a supersonic transport. Two prototypes were built and the first flight occurred in 1969. Key design aspects included delta wings for stability at supersonic speeds, powerful jet engines, and a droopable nose for visibility during takeoff and landing. Concorde carried 100 passengers at twice the speed of sound but was retired in 2003 due to high costs and falling revenues.
This document discusses fuel cell technology as a sustainable and environmentally-friendly energy source. It provides an overview of different types of fuel cells, how they work by converting hydrogen and oxygen to produce electricity, and their applications, particularly in transportation. While fuel cells can help address issues with fossil fuels and limitations of batteries, the technology still faces challenges like high costs and difficulty storing and distributing hydrogen fuel that must be overcome for widespread adoption.
Magnetic levitation uses magnetic fields to levitate objects without physical contact. There are two main types of maglev trains - electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets attached to the train to attract it to the track, while EDS uses superconducting magnets on the train repelled by magnets in the track for levitation and propulsion. Maglev trains offer several advantages over conventional trains, including higher speeds, less energy usage, lower operating costs, and greater safety. Current operational maglev systems include Transrapid and the Japanese high-speed line, while future applications may include space vehicle launch and hypersonic aircraft ground testing.
We know that our world is facing fuel crisis nowadays. All kind of conventional source of fuel is on the verge of exhaustion. We are confident that AIR POWERED TECHNOLOGY holds the key to the automobile’s future.
Aerospace engineering requires at least a bachelor's degree. Aerospace engineers design, test, and improve aircraft, spacecraft, and other technologies. They work for major companies like Boeing and Lockheed Martin. The median salary for aerospace engineers was $103,720 in 2012, and the field is expected to grow 10% by 2020. Some pioneering aerospace engineers include Adolf Busemann, who invented swept wings, and Alan Arnold Griffith, who contributed to theories of metal fatigue and jet engines.
The document discusses Maglev trains, which use magnetic levitation to float above the track without touching it. There are two main types - electromagnetic suspension trains which use electromagnets and electrodynamic suspension trains which use superconductors. Maglev trains have advantages like very high speeds of over 500 km/hr, low noise and friction, and less energy usage compared to conventional trains. However, they also require completely new guideway infrastructure and have high initial construction costs. The document concludes that Maglev trains could provide benefits to countries like India if implemented.
AIRCRAFT PROPULSION SYSTEM seminar reportDeepak Singh
This document is a seminar report on aircraft propulsion systems submitted for a bachelor's degree in mechanical engineering. It provides an overview of the key components of a basic gas turbine aircraft engine, including the air intake, compressor, combustion chamber, turbine, and outlet. The integration of these components works to increase the energy of atmospheric air by compressing and heating it in the compressor and combustion chamber, then converting this energy to kinetic energy in the outlet to provide thrust based on Newton's third law of motion.
The document is a seminar report on hovercrafts that includes:
- An acknowledgement section thanking those who provided guidance and support.
- An abstract that introduces hovercrafts as air cushion vehicles that can travel over land, water and ice using a self-generated air cushion, and notes their use for transporting people and equipment.
- An introduction that defines hovercrafts as vehicles that drive like cars but fly like planes by hovering over surfaces on a cushion of air.
1. The space shuttle was a partially reusable
low earth orbital spacecraft system that was
operated from 1981 to 2011 by the U.S.
2. Primary objective is to improve access to space
3. flight was april 1981 with astronauts young
and crippen
4. Has flown approximately 100 missions carrying
1.5 million pounds of cargo and over 600 major
payloads
This document discusses magnetic levitation trains (Maglev trains). It describes two main types of Maglev trains: electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets to attract the train to the track for levitation and propulsion, while EDS uses superconducting magnets and repulsion for levitation. The document outlines the basic principles, pros and cons of each system and concludes that Maglev trains offer a more efficient transportation alternative with advantages like very high speeds and less environmental impact.
Turbojets are jet engines that work by compressing air from intake, mixing it with fuel and igniting it in a combustion chamber. The hot gases produced are used to power a turbine which drives the compressor. The expanded gases are then ejected through a nozzle to produce thrust. Key components include axial or centrifugal compressors, combustion chambers, turbines and exhaust nozzles. Turbojets were used in early jet aircraft and provide high power-to-weight ratio but have high fuel consumption. Modern applications include Concorde which used turbojets due to their properties at supersonic speeds.
This document provides an introduction to magnetic levitation and its applications. It discusses the basic principles of magnetism and how magnetic fields are created. It then explains the different types of magnetic levitation, including using permanent magnets, electromagnets, and superconductive magnets. Applications of magnetic levitation that are discussed include novelty toys like levitating globes, fast food toys, and high-speed train transportation systems. Magnetic levitation for trains uses electromagnetic forces from superconducting magnets on the train and coils on the track to both levitate and provide lateral guidance for the train as it moves.
This document provides a technical seminar report on Maglev trains. It discusses the two main types of magnetic levitation systems used - electromagnetic suspension and electrodynamic suspension. Electromagnetic suspension uses electromagnets on the train that are attracted to a ferromagnetic guide rail, lifting the train above the track. Electrodynamic suspension uses superconducting magnets on the train that are repelled by magnets in the track, allowing the train to float without physical contact. The document also briefly introduces a third potential system called Inductrack that is in development.
The document provides an overview of aerospace engineering. It discusses that aerospace engineering involves designing and building aircraft and spacecraft. It covers the different specializations within aerospace engineering like structural design, navigation/control, guidance, and instrumentation. It also discusses the education and career paths for aerospace engineers.
Future inventions of aerospace engineering presentationAsad Jamil
This document discusses future inventions in aerospace engineering. It describes inventions like the Aeromobil Flying Car 3.0, which can transform from a car to an aircraft. Other inventions discussed include flying commuters, the Pal V One copter car, and an energy harvesting skin for aircraft. The document also outlines future predicted inventions such as the Box Wing Jet "The Eagle", the Supersonic Green Machine, the Airbus Bionic Aircraft, and SpaceX's "Heart of Gold" Mars vehicle.
The document discusses the history and development of flying cars. It describes early prototypes from the 1910s-1940s that attempted to create vehicles capable of both driving and flying. More recent efforts are focused on the Transition, a flying car created by Terrafugia that can convert between modes in 30 seconds. The Transition runs on regular gasoline, flies at over 100 mph, and only requires a standard driver's license to operate after 20 hours of flight training. While flying cars may soon be parked in home garages, many challenges around design, costs, and regulations still need to be addressed.
1) The document discusses the need for electric and hybrid electric vehicles due to environmental and practical concerns about fossil fuel depletion and air pollution from combustion engines.
2) It provides benefits of electric vehicles like higher efficiency and regenerative braking, and lists advantages like noise-free operation and easy maintenance, but also disadvantages like limited range and high battery replacement costs.
3) The document examines the basic structure of a hybrid vehicle, different hybrid systems, and modern vehicle safety technologies like lane departure warning and adaptive cruise control.
Seminar PPT on the topic Space Elevator with details on the Journals used for study.
Content:
>Concept
>Why built it
>Component study
>Major hurdles
>Bibliography
Space elevators are incredibly tall theoretical structures that connects the earths surface and outer space, beyond the geosynchronous orbit (35,800 km). The structure acts as a continuous and viable channel by which payload can be send in to space.
The document discusses railguns, including their history, parts, working principle, current research and development, advantages, disadvantages, and applications. Railguns use electromagnetic force to accelerate a conductive projectile along two parallel conductive rails. They were first proposed in 1918 and prototypes were tested in the 1970s. Current research aims to increase muzzle velocities for applications like launching satellites. Railguns offer higher velocities than chemical guns but challenges include thermal management and structural stresses on rails.
The document discusses the Hyperloop transportation system proposed by Elon Musk as a new mode of transportation that could transport passengers from Los Angeles to San Francisco in just 30 minutes. The Hyperloop would use low-pressure tubes to move capsules carrying passengers at speeds up to 760 mph using linear electric motors. It has the potential to be faster and less expensive than existing modes like high-speed rail, while being more energy efficient and generating less pollution than air travel. Some challenges to implementing the Hyperloop include developing the tube pressurization and capsule turning technologies and addressing passenger space constraints within the small diameter tubes.
The document discusses the development and design of the supersonic Concorde aircraft. It describes how the British and French governments agreed in 1962 to jointly develop a supersonic transport. Two prototypes were built and the first flight occurred in 1969. Key design aspects included delta wings for stability at supersonic speeds, powerful jet engines, and a droopable nose for visibility during takeoff and landing. Concorde carried 100 passengers at twice the speed of sound but was retired in 2003 due to high costs and falling revenues.
This document discusses fuel cell technology as a sustainable and environmentally-friendly energy source. It provides an overview of different types of fuel cells, how they work by converting hydrogen and oxygen to produce electricity, and their applications, particularly in transportation. While fuel cells can help address issues with fossil fuels and limitations of batteries, the technology still faces challenges like high costs and difficulty storing and distributing hydrogen fuel that must be overcome for widespread adoption.
Magnetic levitation uses magnetic fields to levitate objects without physical contact. There are two main types of maglev trains - electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets attached to the train to attract it to the track, while EDS uses superconducting magnets on the train repelled by magnets in the track for levitation and propulsion. Maglev trains offer several advantages over conventional trains, including higher speeds, less energy usage, lower operating costs, and greater safety. Current operational maglev systems include Transrapid and the Japanese high-speed line, while future applications may include space vehicle launch and hypersonic aircraft ground testing.
We know that our world is facing fuel crisis nowadays. All kind of conventional source of fuel is on the verge of exhaustion. We are confident that AIR POWERED TECHNOLOGY holds the key to the automobile’s future.
Aerospace engineering requires at least a bachelor's degree. Aerospace engineers design, test, and improve aircraft, spacecraft, and other technologies. They work for major companies like Boeing and Lockheed Martin. The median salary for aerospace engineers was $103,720 in 2012, and the field is expected to grow 10% by 2020. Some pioneering aerospace engineers include Adolf Busemann, who invented swept wings, and Alan Arnold Griffith, who contributed to theories of metal fatigue and jet engines.
The document discusses Maglev trains, which use magnetic levitation to float above the track without touching it. There are two main types - electromagnetic suspension trains which use electromagnets and electrodynamic suspension trains which use superconductors. Maglev trains have advantages like very high speeds of over 500 km/hr, low noise and friction, and less energy usage compared to conventional trains. However, they also require completely new guideway infrastructure and have high initial construction costs. The document concludes that Maglev trains could provide benefits to countries like India if implemented.
AIRCRAFT PROPULSION SYSTEM seminar reportDeepak Singh
This document is a seminar report on aircraft propulsion systems submitted for a bachelor's degree in mechanical engineering. It provides an overview of the key components of a basic gas turbine aircraft engine, including the air intake, compressor, combustion chamber, turbine, and outlet. The integration of these components works to increase the energy of atmospheric air by compressing and heating it in the compressor and combustion chamber, then converting this energy to kinetic energy in the outlet to provide thrust based on Newton's third law of motion.
The document is a seminar report on hovercrafts that includes:
- An acknowledgement section thanking those who provided guidance and support.
- An abstract that introduces hovercrafts as air cushion vehicles that can travel over land, water and ice using a self-generated air cushion, and notes their use for transporting people and equipment.
- An introduction that defines hovercrafts as vehicles that drive like cars but fly like planes by hovering over surfaces on a cushion of air.
1. The space shuttle was a partially reusable
low earth orbital spacecraft system that was
operated from 1981 to 2011 by the U.S.
2. Primary objective is to improve access to space
3. flight was april 1981 with astronauts young
and crippen
4. Has flown approximately 100 missions carrying
1.5 million pounds of cargo and over 600 major
payloads
This document discusses magnetic levitation trains (Maglev trains). It describes two main types of Maglev trains: electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets to attract the train to the track for levitation and propulsion, while EDS uses superconducting magnets and repulsion for levitation. The document outlines the basic principles, pros and cons of each system and concludes that Maglev trains offer a more efficient transportation alternative with advantages like very high speeds and less environmental impact.
Turbojets are jet engines that work by compressing air from intake, mixing it with fuel and igniting it in a combustion chamber. The hot gases produced are used to power a turbine which drives the compressor. The expanded gases are then ejected through a nozzle to produce thrust. Key components include axial or centrifugal compressors, combustion chambers, turbines and exhaust nozzles. Turbojets were used in early jet aircraft and provide high power-to-weight ratio but have high fuel consumption. Modern applications include Concorde which used turbojets due to their properties at supersonic speeds.
This document provides an introduction to magnetic levitation and its applications. It discusses the basic principles of magnetism and how magnetic fields are created. It then explains the different types of magnetic levitation, including using permanent magnets, electromagnets, and superconductive magnets. Applications of magnetic levitation that are discussed include novelty toys like levitating globes, fast food toys, and high-speed train transportation systems. Magnetic levitation for trains uses electromagnetic forces from superconducting magnets on the train and coils on the track to both levitate and provide lateral guidance for the train as it moves.
This document provides a technical seminar report on Maglev trains. It discusses the two main types of magnetic levitation systems used - electromagnetic suspension and electrodynamic suspension. Electromagnetic suspension uses electromagnets on the train that are attracted to a ferromagnetic guide rail, lifting the train above the track. Electrodynamic suspension uses superconducting magnets on the train that are repelled by magnets in the track, allowing the train to float without physical contact. The document also briefly introduces a third potential system called Inductrack that is in development.
Magnetic Levitation Train Research PaperKatie Dillon
Superconducting magnets can reduce power consumption and costs for Old Dominion University's nonfunctional magnetic levitation train. Cryogenically cooling electromagnets eliminates electrical resistance, reducing power needs. Combining the train's electromagnetic suspension technology with elements of electrodynamic suspension, like a stabilization bogie, could also improve magnetic force stability. These solutions address the technical shortcomings preventing the train from operating, making low-cost, sustainable transit possible on campus.
This document is a seminar report on magnetic levitation trains submitted by Anuj Bansal to partial fulfillment of a Bachelor of Technology degree in electrical engineering. The report contains an introduction to magnetic levitation technology, different types of magnetic levitation including permanent magnet, electromagnetic, and electrodynamic types. It discusses the working principles of levitation, propulsion, stability, and guidance of maglev trains and compares maglev trains to conventional aircraft and trains.
Maglev trains use magnetic levitation to float above the track and propel vehicles without friction. They can reach speeds over 500 km/h, faster than F1 cars or traditional trains. Maglev trains have been introduced in several countries since the 1960s for their high speed, low noise, and ability to operate in all weather conditions with minimal maintenance requirements compared to mechanically-powered trains. Shanghai, China claims the fastest maglev train at 501 km/h.
This document provides details about two maglev projects undertaken by electrical and electronics engineering students at Al-Azhar Polytechnic College in 2015-2016. It includes chapters on the history of maglev trains, different maglev methods and suspension systems, the evolution of maglev technology, and the working principles of maglev trains. The document also acknowledges those who provided support and guidance for the projects.
There are 22 slides.Contents are
(1)What is Maglev?
(2)Magnetic Levigation.
(3)Basic Principle of Maglev Trains.
(4)Types of Maglev Trains.
(5)EMS(Electromagnetic Suspension).
(6)ESD(Electrodynamic Suspension).
(7)Inductrack.
(8)Conclusion.
The document discusses magnetic levitation (maglev) trains. It describes how maglev trains float on a magnetic field and have no wheels, enabling speeds up to 330 mph. Maglev systems use electromagnetic forces for both levitation and propulsion via linear induction motors. The document provides a brief history of maglev development in Germany from the 1920s to present. It explains the basic principles of magnetic levitation using repulsion between electromagnets or diamagnetic materials. Maglev trains are supported, guided, and propelled entirely by electromagnetic forces, allowing very high speeds with minimal friction or pollution.
Magnetic Levitation Train by Shaheen Galgali_seminar report finalshaheen galgali
Magnetic levitation is a highly advanced technology which uses the principle of Electromagnetic suspension & Electrodynamics suspension technology. It has various uses, The common point in all applications is the lack of contact and no friction. This increases efficiency, reduces maintenance costs, and increases the useful life of the system. Magnetic levitation is a technique to suspend an object without any support other than that of a magnetic field. There are already many countries that are attracted to maglev system. Many system have been proposed in different parts of the worlds. Maglev can be conveniently considered as a solution for the future needs of the world. This contribution deals with magnetic levitation. An overview of types, principles and working of magnetic levitation is given with the example by train are presented.
The document summarizes the working principles of a magnetic levitation (Maglev) train. It levitates and propels the train using magnets rather than wheels, allowing it to reach high speeds with little friction. Superconducting magnets on the train generate repulsive forces from the guideway to levitate 10mm above. Alternating magnetic fields from the guideway's electromagnets accelerate and brake the train. This allows Maglev trains to reach speeds over 500 km/h safely with minimal environmental impact compared to other modes of transportation.
Seminar Report On Maglev Launch AssistPrasad Bhase
The document discusses magnetically launching space vehicles in lower Earth orbit using maglev technology. It provides an overview of different maglev concepts, including StarTram Gen-I and Gen-II, and NASA's MagLifter design. A cost analysis and environmental impact assessment are presented comparing maglev launch assist to conventional rocket launch systems. Maglev uses magnetic levitation and propulsion to accelerate a vehicle on a track, providing initial velocity before rocket ignition for smaller payloads. This approach could reduce costs of space launch and have less environmental impact compared to traditional rocket systems.
Maglev trains use magnets to levitate above tracks without touching the surface. They are among the fastest modes of transportation, with speeds over 300 mph achieved in tests. While maglev trains provide advantages of high speed, low maintenance and environmental friendliness compared to conventional trains, their development has faced challenges of very high costs to build the necessary infrastructure and maintain the strong magnetic fields required.
Maglev trains use magnetic levitation powered by electromagnets to float above guideways without touching and to propel trains at very high speeds up to 250 mph. There are two main types of maglev technology - electromagnetic suspension which uses electromagnets to levitate the train above the track, and electrodynamic suspension which uses both electromagnets on the train and induced magnetic fields in the track for levitation and propulsion. While maglev trains offer advantages like very high speeds and less energy usage than wheeled trains, they also present challenges including very high infrastructure costs to build new exclusive guideways.
1) The document discusses linear motors used in maglev trains. Maglev trains use magnetic levitation to move along a track without touching the surface.
2) There are two main types of linear motors for maglev train propulsion: linear induction motors and linear synchronous motors. Linear induction motors use induction to generate a repulsive force that pushes the train along four individual linear motors.
3) Linear synchronous motor speed is determined by the frequency of alternating current powering the magnetic field, which can be reversed for braking without friction.
Maglev trains use magnetic levitation to move along guideways without touching the ground. This reduces friction and allows for higher speeds. The fastest commercial train is the Shanghai Maglev, which reaches 430 km/h. Maglev trains move more smoothly than wheeled trains and are less affected by weather. While more expensive to build initially, maglev systems have lower maintenance costs than conventional trains. Only a few commercial maglev lines have been built, but many countries are researching the technology further.
Maglev train presented by santosh ku jena BPUT kit
MAGLEV TRAIN:-
1.INTRODUCTION :-
1. MAGNETIC LEVITATION (MagLev) By SANTOSH KU JENA i (MECH 7th sem)
2. What is MagLev?MagLev Technology; -introduction about it.
3. What is magnet? Its simply object produce magnetic field,
4. Basic principal Of Maglev are- - -Levitation Track -Propulsion system-lateral guidance
5. Levitation system:- Which is keeping the train suspended against the gravity by the force of the magnetic field
6.propulsion system:- The propulsion coils located on the sidewalls on both sides of the guideway are energized by a 3 –phase alternating current from a subststion ,creating magnetic field on the guide way.
The on boad superconducting magnets are attracted and pushed by the shifting field,propelling the maglev vechicle.
7.lateral guidance system:- Refers to the sideward forces that are required to make the vehicle follow the guideway.
Keep the train in the center due to the magnetic force.
8.Types of maglev technology:-EMS&EDS
9.EMS:- Electromagnetic suspension:
Uses attractive magnetic force of a magnet.
2.EDS:-Electrodynamic suspension:
Uses repulsive force between 2 magnetic fields
10.About EMS
11.ABOU EDS
12.Power and energy usage –energ yof maglev train accelerate the train.
13 when the alternating current is reversed ,the train brakes.
14.gap sensor:-the attractive force is control by gapsensor.
15. MagLev “Guideways” or Tracks Track repels magnets on undercarriage of train, sending the train forward.
16.Train levitates between 1 and 10 cm above guideway.
17.latest project about india :- pune –mumbai indian ministry is currently the process reviewing a proposal to start a maglev train system in india .it has also has been estimate the cost to complete this process would over billion core .the company who sent thepropasals is a company based in the united kingdom .
18.advatages:-don’t have engine ,no fossile ..etc
19.disadvatages :-safety issues.
20.latest platform
21. latest maglev train….
22.compaire between metro & conventional.
23.thanku every one
This document provides an overview of magnetic levitation and its applications. It discusses various methods for achieving stable magnetic levitation, including mechanical constraints, diamagnetic levitation using superconductors, and servo stabilization. Applications covered include magnetic bearings, which reduce friction in machines by levitating rotating components, and maglev trains, which use magnetic levitation for contactless high-speed transportation. The document also outlines challenges such as instability based on Earnshaw's theorem and the need for continuous power input in active magnetic bearing systems.
Maglev trains use magnetic levitation to operate at high speeds. There are two main types of maglev trains - electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets to levitate the train through attraction, while EDS uses superconductors for levitation, propulsion, and guidance through repulsion. Both have advantages and disadvantages related to stability, speed, and costs. Maglev technology has applications beyond high-speed trains, including space vehicle launches and mining transportation.
Maglev trains use magnetic levitation to float above the track and propel vehicles without friction. They can reach speeds over 500 km/h, faster than F1 cars or traditional trains. Maglev trains have been introduced in several countries since the 1960s for their high speed, low noise, and ability to operate in all weather conditions with minimal maintenance requirements compared to mechanically-powered trains. Shanghai, China claims the fastest maglev train at 501 km/h.
Maglev trains use electromagnetic force to levitate above the track and propel the train forward at high speeds without friction. They have the potential to reach speeds comparable to aircraft of 500 to 580 km/h. While maglev trains offer safety and efficiency advantages over conventional trains, their construction costs are very high. Recent government funding in countries like China and Japan support expanding maglev networks, but high costs remain a challenge for widespread adoption of the technology.
Maglev trains use magnetic levitation to float above the track and propel itself forward, allowing it to travel at speeds over 300 mph without friction. They are nearly silent, non-polluting, and require little maintenance. The key principles are electromagnetic or electrodynamic suspension to levitate the train and superconducting magnets or linear motors for propulsion. Current systems in operation include Transrapid in Germany and the high-speed maglev in Japan. Maglev trains provide a safer, more energy efficient alternative to conventional high-speed rail.
The document summarizes the history and development of maglev trains. It discusses how the first ideas for an electromagnetic levitation train were conceived in 1922 in Germany. The first full-scale functioning maglev train was built in 1969 by a government research project. In the late 1980s and 1990s, the Transrapid 07 maglev train was developed and set speed records, traveling over 248,000 miles by 1996. The document also describes the basic principles and differences between electromagnetic suspension (EMS) and electrodynamic suspension (EDS) systems for maglev trains.
Science project on Maglev Trains By Ardhenduardhendu03
This document discusses a science project about maglev trains. It begins by defining maglev trains as using magnetic levitation to move vehicles along a guideway without touching the ground. It then provides details on the history and development of maglev technology, describing early patents from the 1900s and the first commercial maglev system introduced in 1984 in Birmingham, England. The document also explains the key technologies behind maglev trains, including electromagnetic and electrodynamic suspension systems as well as linear motor propulsion. It compares maglev trains to conventional trains and notes maglev's benefits like higher potential speeds, less noise, and reduced maintenance needs.
Maglev trains are the fastest trains in the world! Maglev is short for magnetic levitation which basic principles involve the use of magnetism to levitate an object.
This document discusses magnetic levitation (maglev) trains. It begins by explaining the basic principles of magnetic levitation using Faraday's Law and Lenz's Law. It then provides a brief history of maglev train development in Japan, Germany, and China. Key points include Japan building the first test track in 1975 and achieving 517 km/h, and China opening the first commercial maglev route between Shanghai airports in 2003. Advantages of maglev trains are listed as high speed, energy efficiency, lack of pollution, and less maintenance; while disadvantages include very high construction costs. The document concludes by discussing Japan's plans for a maglev train reaching 500 km/h by 2027.
1. Magnetic levitation uses magnetic fields to levitate metallic objects and can be achieved through ferromagnetism or diamagnetism.
2. The most important application is trans-rapid magnetic levitation trains, which are propelled by electromagnetic or electrodynamic suspension.
3. Maglev trains offer advantages like very high speeds, low friction, and earthquake resistance since they levitate a few centimeters above the track. Current operational systems include ones in Germany and Japan.
This document provides an overview of magnetic levitation (Maglev) train technology. It discusses the basic principles of Maglev trains, including electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses attractive forces while EDS uses repulsive forces for levitation. Maglev trains offer advantages like high speed, low noise and friction, and reduced pollution compared to traditional trains. Current Maglev projects exist in Germany and Japan, with future projects planned in India and other applications being explored by NASA and Boeing. The conclusion discusses how Maglev trains could provide a more efficient transportation alternative with lower maintenance costs.
Maglev trains use magnetic levitation to float and propel trains through guideways at high speeds without friction. They levitate using magnets that repel each other between the track and train. This allows maglev trains to reach speeds over 300 mph. Current maglev projects exist in Germany, Japan, and the United States, but costs remain high. While maintenance is cheaper than wheeled trains and noise and pollution are reduced, concerns remain regarding electromagnetic interference and high infrastructure expenses.
The document presents information on maglev trains from a seminar. It discusses how maglev trains use electromagnetic force and magnets to levitate above tracks without friction. It explains the evolution of maglev technology over time, with early concepts in the 1900s and modern projects in Germany, Japan, and a proposed route between Pune to Mumbai in India. Advantages are noted like high speeds, low maintenance, and environmental friendliness, while disadvantages include high initial costs and lack of experience with the technology.
Straight out of Science Fiction: The MaglevRakhaArunaDewa
The document discusses the history and engineering of maglev trains. It explains that maglev trains are propelled by magnetic levitation and do not have conventional engines. Maglev trains have lower operating costs than airplanes or trucks. However, existing maglev lines like the Shanghai maglev have not been profitable due to lack of infrastructure and high construction costs. While maglev trains show potential, uncertainties around costs remain a challenge for their widespread adoption.
Maglev trains are the fastest trains in the world! Maglev is short for magnetic levitation which basic principles involve the use of magnetism to levitate an object.
This document discusses maglev trains and their technology. Maglev trains use magnetic levitation to float above the guideway without making contact. There are two main types of maglev technology: electromagnetic suspension (EMS) and electrodynamic suspension (EDS). EMS uses electromagnets to levitate the train above the track, while EDS uses both the rail and train's magnetic fields to create a repulsive levitation force. Maglev trains can reach very high speeds of up to 500 km/h but their tracks are more expensive than traditional rail tracks.
The document discusses the Inductrack maglev system developed at Lawrence Livermore National Laboratory as an alternative to existing maglev train designs. It uses permanent magnets and passive levitation, requiring no power or controls once in motion. Testing showed the model Inductrack car levitated and traveled down the track as predicted. The system offers potential advantages in cost, safety, and applications like launching rockets.
Maglev trains use magnetic levitation to float and propel trains along guideways without touching the surface. This is achieved through the interaction of magnets and electromagnetic coils that create both lift and thrust. Maglev trains can travel at speeds over 300 mph and have several advantages over conventional trains, including higher speeds, less energy use, and no friction between train and rails. While still under development, countries like Germany and Japan have operational maglev systems that could be improved upon to create faster, more efficient train travel in the future.
Maglevtrainsnew 150401040530-conversion-gate01Ashutosh Kar
The document provides an overview of maglev train technology. It discusses the basic principles of magnetic levitation (maglev) including electromagnetic suspension and electrodynamic suspension. It covers how maglev trains are propelled and stabilized. The document also compares maglev trains to conventional trains and aircraft, discusses economics and existing maglev systems, and concludes with advantages and applications of maglev technology.
Known for SpaceX and Tesla, Elon Musk launched the Hyperloop concept in 2013, a means of ultra-high-speed terrestrial transport by tube. Academics and engineers around the world have followed the visionary entrepreneur's lead and are developing their own tube-based transportation projects. Our brand new Emerging Trends report reviews the opportunities and challenges of this next-generation mode of transport.
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it is all about the working and little bit of history of the magnetic trains,
its a collection of knowledge,
find the references at end for more information
Brief Description regarding magnetic levitation or magnetic suspension.It is a method by which an object is suspended with no support other than magnetic fields.
1. How Maglev Trains Work
If you've been to an airport lately, you've probably noticed that air travel is
becoming more and more congested. Despite frequent delays, airplanes still
provide the fastest way to travel hundreds or thousands of miles. Passenger
air travel revolutionized the transportation industry in the last century,
letting people traverse great distances in a matter of hours instead of days
or weeks.
The first commercial maglev line made its debut in
December of 2003.
The only alternatives to airplanes -- feet, cars, buses, boats and conventional
trains -- are just too slow for today's fast-paced society. However, there is
a new form of transportation that could revolutionize transportation of the
21st century the way airplanes did in the 20th century.
A few countries are using powerful electromagnets to develop high-speed
trains, called maglev trains. Maglev is short for magnetic levitation, which
means that these trains will float over a guideway using the basic principles
of magnets to replace the old steel wheel and track trains. In this article,
you will learn how electromagnetic propulsion works, how three specific
types of maglev trains work and where you can ride one of these trains.
If you've ever played with magnets, you know that opposite poles attract
and like poles repel each other. This is the basic principle behind
2. electromagnetic propulsion. Electromagnets are similar to other magnets in
that they attract metal objects, but the magnetic pull is temporary. As you
can read about in How Electromagnets Work, you can easily create a small
electromagnet yourself by connecting the ends of a copper wire to the
positive and negative ends of an AA, C or D-cell battery. This creates a small
magnetic field. If you disconnect either end of the wire from the battery,
the magnetic field is taken away.
The magnetic field created in this wire-and-battery experiment is the
simple idea behind a maglev train rail system. There are three components to
this system:
A large electrical power source
Metal coils lining a guideway or track
Large guidance magnets attached to the underside of the train
The big difference between a maglev train and a conventional train is that
maglev trains do not have an engine -- at least not the kind of engine used to
pull typical train cars along steel tracks. The engine for maglev trains is
rather inconspicuous. Instead of using fossil fuels, the magnetic field
created by the electrified coils in the guideway walls and the track combine
to propel the train.
Above is an image of the guideway for the Yamanashi
maglev test line in Japan.
3. The Maglev Track
The magnetized coil running along the track, called a guideway, repels the
large magnets on the train's undercarriage, allowing the train to levitate
between 0.39 and 3.93 inches (1 to 10 cm) above the guideway. Once the
train is levitated, power is supplied to the coils within the guideway walls to
create a unique system of magnetic fields that pull and push the train along
the guideway. The electric current supplied to the coils in the guideway walls
is constantly alternating to change the polarity of the magnetized coils. This
change in polarity causes the magnetic field in front of the train to pull the
vehicle forward, while the magnetic field behind the train adds more
forward thrust.
Maglev trains float on a cushion of air, eliminating friction. This lack of
friction and the trains' aerodynamic designs allow these trains to reach
unprecedented ground transportation speeds of more than 310 mph (500
kmph), or twice as fast as Amtrak's fastest commuter train. In comparison,
a Boeing-777 commercial airplane used for long-range flights can reach a top
speed of about 562 mph (905 kmph). Developers say that maglev trains will
eventually link cities that are up to 1,000 miles (1,609 km) apart. At 310
mph, you could travel from Paris to Rome in just over two hours.
Germany and Japan are both developing maglev train technology, and both
are currently testing prototypes of their trains. (The German company
"Transrapid International" also has a train in commercial use -- more about
that in the next section.) Although based on similar concepts, the German
and Japanese trains have distinct differences. In Germany, engineers have
developed an electromagnetic suspension (EMS) system, called Transrapid.
In this system, the bottom of the train wraps around a steel guideway.
Electromagnets attached to the train's undercarriage are directed up
toward the guideway, which levitates the train about 1/3 of an inch (1 cm)
4. above the guideway and keeps the train levitated even when it's not moving.
Other guidance magnets embedded in the train's body keep it stable during
travel. Germany has demonstrated that the Transrapid maglev train can
reach 300 mph with people onboard.
Electrodynamic Suspension (EDS)
Japanese engineers are developing a
competing version of maglev trains that
use an Electrodynamic suspension (EDS)
system, which is based on the repelling
force of magnets. The key difference
between Japanese and German maglev
trains is that the Japanese trains use Japan's MLX01 maglev train
super-cooled, superconducting electromagnets. This kind of electromagnet
can conduct electricity even after the power supply has been shut off. In
the EMS system, which uses standard electromagnets, the coils only conduct
electricity when a power supply is present. By chilling the coils at frigid
temperatures, Japan's system saves energy. However, the cryogenic system
uses to cool the coils can be expensive.
Another difference between the systems is that the Japanese trains
levitate nearly 4 inches (10 cm) above the guideway. One potential drawback
in using the EDS system is that maglev trains must roll on rubber tires until
they reach a liftoff speed of about 62 mph (100 kmph). Japanese engineers
say the wheels are an advantage if a power failure caused a shutdown of the
system. Germany's Transrapid train is equipped with an emergency battery
power supply. Also, passengers with pacemakers would have to be shielded
from the magnetic fields generated by the superconducting electromagnets.
Maglev Accidents
On August 11, 2006, a maglev train compartment on the Transrapid Shanghai
airport line caught fire. There were no injuries, and investigators believe
that the fire was caused by an electrical problem.
On September 22, 2006, a Transrapid test train in Emsland, Germany had 29
people aboard during a test run when it crashed into a repair car that had
been accidentally left on the track. The train was going at least 120 mph
(133 km) at the time. Most passengers were killed in the first fatal accident
involving a maglev train.
5. The Inductrack is a newer type of EDS that uses permanent room-
temperature magnets to produce the magnetic fields instead of powered
electromagnets or cooled superconducting magnets. Inductrack uses a power
source to accelerate the train only until begins to levitate. If the power
fails, the train can slow down gradually and stop on its auxiliary wheels.
The track is actually an array of electrically-shorted circuits containing
insulated wire. In one design, these circuits are aligned like rungs in a ladder.
As the train moves, a magnetic field the repels the magnets, causing the
train to levitate.
There are two Inductrack designs: Inductrack I and Inductrack II.
Inductrack I is designed for high speeds, while Inductrack II is suited for
slow speeds. Inductrack trains could levitate higher with greater stability.
As long as it's moving a few miles per hour, an Inductrack train will levitate
nearly an inch (2.54 cm) above the track. A greater gap above the track
means that the train would not require complex sensing systems to maintain
stability.
Permanent magnets had not been used before because scientists thought
that they would not create enough levitating force. The Inductrack design
bypasses this problem by arranging the magnets in a Halbach array. The
magnets are configured so that the intensity of the magnetic field
concentrates above the array instead of below it. They are made from a
newer material comprising a neodymium-iron-boron alloy, which generates a
higher magnetic field. The Inductrack II design incorporates two Halbach
arrays to generate a stronger magnetic field at lower speeds.
Dr. Richard Post at the Livermore National Laboratory in California came up
with this concept in response to safety and cost concerns. The prototype
tests caught the attention of NASA, which awarded a contract to Dr. Post
and his team to explore the possibility of using the Inductrack system to
launch satellites into orbit.
6. Maglev Technology In Use
A Transrapid train at the Emsland, Germany test
facility.
While maglev transportation was first proposed more than a century ago,
the first commercial maglev train made its test debut in Shanghai, China, in
2002 (click here to learn more), using the train developed by German
company Transrapid International. The same line made its first open-to-the-
public commercial run about a year later in December of 2003. The Shanghai
Transrapid line currently runs to and from the Longyang Road station at the
city's center and Pudong airport. Traveling at an average speed of 267 mph
(430 kmh), the 19 mile (30 km) journey takes less than 10 minutes on the
maglev train as opposed to an hour-long taxi ride. China is building an
extension of the Shanghai line that will run 99 miles (160 km) to Hangzhou.
Construction is scheduled to begin in fall 2006 and should be completed by
the 2010 Shanghai Expo. This line will be the first Maglev rail line to run
between two cities.
Several other countries have plans to build their own maglev trains, but the
Shanghai airport line remains the only commercial maglev line. U.S. cities
from Los Angeles to Pittsburgh have had maglev line plans in the works, but
the expense of building a maglev transportation system has been prohibitive.
The administration at Old Dominion University in Virginia had hoped to have
a super shuttle zipping students back and forth across campus starting back
in the fall semester of 2002, but the train remains motionless while
research continues. The American Maglev Company is building a prototype
using similar technology in Georgia that it plans to finish by fall 2006.