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By
Sai kumar.R
16315A0316
What is hyperloop ?
WHAT IS HYPERLOOP ?
• Hyperloop is the 5th mode of transportation.
• It is a proposed transportation system for traveling between
Los Angeles, California, and San Francisco, California (nearly
600km) in 35 minutes.
INTRODUCTION
• The conventional modes of transportation used are
1. RAIL relatively slow and expansive
2. ROAD relatively slow
3. WATER relatively slow
4. AIR expensive
• These modes are either expensive or slow. To overcome this
problem of transportation “THE HYPERLOOP” is introduce
which is inexpensive and fast
• The Hyper loop consists of several distinct
components, including:
– CAPSULE
– TUBE
– PROPULSION SYSTEM
CAPSULE
• Sealed capsules carrying 28 passengers each that travel along
the interior of the tube.
• Hyperloop encloses the capsules in a reduced pressure tube.
• Hyperloop passenger transport capsule conceptual design
rendering.
Contd;
COMPRESSOR
• One important feature of the capsule is the onboard
compressor, which serves two purposes.
• This system allows the capsule to traverse the relatively
narrow tube without choking flow that travels between the
capsule and the tube walls (resulting in a build-up of air mass
in front of the capsule and increasing the drag) by compressing
air that is bypassed through the capsule.
• It also supplies air to air bearings that support the weight of the
capsule throughout the journey.
CONTD;
• Tube air is compressed with a compression ratio of 20:1 via an axial
compressor.
• Up to 60% of this air is bypassed:
– a. The air travels via a narrow tube near bottom of the capsule to
the tail.
– b. A nozzle at the tail expands the flow generating thrust to
mitigate some of the small amounts of aerodynamic and bearing
drag.
• Up to 0.44 lb/s of air is cooled and compressed an
additional 5.2:1 for the passenger version with additional
cooling afterward.
– a. This air is stored in onboard composite overwrap
pressure vessels.
– b. The stored air is eventually consumed by the air bearings
to maintain distance between the capsule and tube walls.
SUSPENSION
• An alternative to these conventional options for Suspending
the capsule within the tube presents is an air bearing
suspension.
• Air bearings offer stability and extremely low drag at a
feasible cost by exploiting the ambient atmosphere in the tube.
• Externally pressurized and aerodynamic air bearings are well
suited for the Hyperloop due to exceptionally high stiffness,
which is required to maintain stability at high speeds
• When the gap height between a ski and the tube wall is
reduced, the flow field in the gap exhibits a highly non-linear
reaction resulting in large restoring pressures. The increased
pressure pushes the ski away from the wall, allowing it to
return to its nominal ride height.
Contd‘;
TUBE
• The main Hyperloop route consists of a partially evacuated
cylindrical tube that connects the Los Angeles and San
Francisco stations in a closed loop system
• The tube is specifically sized for optimal air flow around the
capsule improving performance and energy consumption at the
expected travel speed.
• The expected pressure inside the tube will be maintained
around 0.015 psi (100 Pa), which is about 1/1000 the pressure
on Earth. This low pressure minimizes the drag force on the
capsule while maintaining the relative ease of pumping out the
air from the tube
Hyperloop capsule in tube cutaway with attached solar arrays.
PROPULSION SYSTEM
• In order to propel the vehicle at the required travel speed, an
advanced linear motor system is being developed to accelerate
the capsule above 760 mph (1,220 kph) it has two basic
components the rotor and stator.
• The rotor is attached to capsule and stator to the tube.
Cont;
• The stator is a electromagnet so when the electric current is
passed through the stator, it magnetically attract the rotor
which is on the pod.
• Hyperloop unique technology is it uses the magnetic levitation
to guide and lift the pod of the track.
• Nearly all of the air in the tube is removed by using a series of
vacuum pumps this creates our own sky inside the tube as if
your accurately flying 2000 ft above sea level.
• This reduces the aerodynamic drag as it only uses small
amount of electricity is used to achieve extraordinary speeds.
ENERGY REQUIREMENTS
ROUTE
ADVANTAGES
• Safer
• Faster
• Lower cost
• More convenient
• Immune to weather
• Sustainably self-powering
• Resistant to Earthquakes.
In news
• A Tesla Hyperloop pod has
set a new speed record with a
220 mile per hour (350 kph)
test run.
REFERENCES
• HYPERLOOP – wikipedia.
• Web - https://hyperloop-one.com
• hyperloop@spacex.com or hyperloop@teslamotors.com.
• Hyperloop Alpha by “Elon Mask”
• Science of the hyperloop by “Tech Insider”
Thank you

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Hyperloop

  • 3. WHAT IS HYPERLOOP ? • Hyperloop is the 5th mode of transportation. • It is a proposed transportation system for traveling between Los Angeles, California, and San Francisco, California (nearly 600km) in 35 minutes.
  • 4. INTRODUCTION • The conventional modes of transportation used are 1. RAIL relatively slow and expansive 2. ROAD relatively slow 3. WATER relatively slow 4. AIR expensive • These modes are either expensive or slow. To overcome this problem of transportation “THE HYPERLOOP” is introduce which is inexpensive and fast
  • 5.
  • 6.
  • 7. • The Hyper loop consists of several distinct components, including: – CAPSULE – TUBE – PROPULSION SYSTEM
  • 8. CAPSULE • Sealed capsules carrying 28 passengers each that travel along the interior of the tube. • Hyperloop encloses the capsules in a reduced pressure tube. • Hyperloop passenger transport capsule conceptual design rendering.
  • 10. COMPRESSOR • One important feature of the capsule is the onboard compressor, which serves two purposes. • This system allows the capsule to traverse the relatively narrow tube without choking flow that travels between the capsule and the tube walls (resulting in a build-up of air mass in front of the capsule and increasing the drag) by compressing air that is bypassed through the capsule. • It also supplies air to air bearings that support the weight of the capsule throughout the journey.
  • 11. CONTD; • Tube air is compressed with a compression ratio of 20:1 via an axial compressor. • Up to 60% of this air is bypassed: – a. The air travels via a narrow tube near bottom of the capsule to the tail. – b. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag. • Up to 0.44 lb/s of air is cooled and compressed an additional 5.2:1 for the passenger version with additional cooling afterward. – a. This air is stored in onboard composite overwrap pressure vessels. – b. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls.
  • 12. SUSPENSION • An alternative to these conventional options for Suspending the capsule within the tube presents is an air bearing suspension. • Air bearings offer stability and extremely low drag at a feasible cost by exploiting the ambient atmosphere in the tube. • Externally pressurized and aerodynamic air bearings are well suited for the Hyperloop due to exceptionally high stiffness, which is required to maintain stability at high speeds • When the gap height between a ski and the tube wall is reduced, the flow field in the gap exhibits a highly non-linear reaction resulting in large restoring pressures. The increased pressure pushes the ski away from the wall, allowing it to return to its nominal ride height.
  • 14. TUBE • The main Hyperloop route consists of a partially evacuated cylindrical tube that connects the Los Angeles and San Francisco stations in a closed loop system • The tube is specifically sized for optimal air flow around the capsule improving performance and energy consumption at the expected travel speed. • The expected pressure inside the tube will be maintained around 0.015 psi (100 Pa), which is about 1/1000 the pressure on Earth. This low pressure minimizes the drag force on the capsule while maintaining the relative ease of pumping out the air from the tube
  • 15. Hyperloop capsule in tube cutaway with attached solar arrays.
  • 16. PROPULSION SYSTEM • In order to propel the vehicle at the required travel speed, an advanced linear motor system is being developed to accelerate the capsule above 760 mph (1,220 kph) it has two basic components the rotor and stator. • The rotor is attached to capsule and stator to the tube.
  • 17. Cont; • The stator is a electromagnet so when the electric current is passed through the stator, it magnetically attract the rotor which is on the pod. • Hyperloop unique technology is it uses the magnetic levitation to guide and lift the pod of the track. • Nearly all of the air in the tube is removed by using a series of vacuum pumps this creates our own sky inside the tube as if your accurately flying 2000 ft above sea level. • This reduces the aerodynamic drag as it only uses small amount of electricity is used to achieve extraordinary speeds.
  • 19. ROUTE
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  • 21. ADVANTAGES • Safer • Faster • Lower cost • More convenient • Immune to weather • Sustainably self-powering • Resistant to Earthquakes.
  • 22. In news • A Tesla Hyperloop pod has set a new speed record with a 220 mile per hour (350 kph) test run.
  • 23. REFERENCES • HYPERLOOP – wikipedia. • Web - https://hyperloop-one.com • hyperloop@spacex.com or hyperloop@teslamotors.com. • Hyperloop Alpha by “Elon Mask” • Science of the hyperloop by “Tech Insider”