This document provides an introduction to energy sources, thermodynamic cycles, and types of power plants. It discusses different forms of energy like mechanical, thermal, and electrical energy. It also explains concepts like electrical energy generation, energy consumption trends, and factors to consider for sustainable energy production. The document then reviews different thermodynamic cycles used in power plants like Rankine, Otto, Diesel, dual, Brayton cycles. It provides examples of problems related to calculating efficiency, work, and heat for these cycles. Key cycles and their applications in steam, internal combustion, gas turbines, and nuclear power plants are also summarized.
Thermal Power plant familarisation & its AuxillariesVaibhav Paydelwar
PPT in Relation to Power Plant familarisation, Coal to Electricity Basics,Power Plant cycles, Concepts of Supercritical Technology Boiler, Concepts Of BTG Package as well as Balance of Plant
A complete description of types of power plant, it's working.
Types of the turbine.It contains detail description of turbine, coal handling plant, ash handling plant, the layout of thermal power plant. Economizer, air pre heater, super heater etc. It also contains details description of thermal power plant in India.Also, describe boiler and its types.
Water steam Circuit in Supercritical Boiler for 660MW Power PlantHareesh VS
An animated presentation over Complete water steam circulation in a super critical boiler with flow chart. The water-steam path through various Systems (High pressure & Low pressure systems) in boiler for a 660MW thermal power plat, and also indicates the temperature and pressure variations after flowing through individual systems. Watch Live Presentation on YouTube: http://youtu.be/snIVrTmI4bM
Thermal Power plant familarisation & its AuxillariesVaibhav Paydelwar
PPT in Relation to Power Plant familarisation, Coal to Electricity Basics,Power Plant cycles, Concepts of Supercritical Technology Boiler, Concepts Of BTG Package as well as Balance of Plant
A complete description of types of power plant, it's working.
Types of the turbine.It contains detail description of turbine, coal handling plant, ash handling plant, the layout of thermal power plant. Economizer, air pre heater, super heater etc. It also contains details description of thermal power plant in India.Also, describe boiler and its types.
Water steam Circuit in Supercritical Boiler for 660MW Power PlantHareesh VS
An animated presentation over Complete water steam circulation in a super critical boiler with flow chart. The water-steam path through various Systems (High pressure & Low pressure systems) in boiler for a 660MW thermal power plat, and also indicates the temperature and pressure variations after flowing through individual systems. Watch Live Presentation on YouTube: http://youtu.be/snIVrTmI4bM
Power Plants and Basic Thermodynamic CyclesSalman Haider
Brief overview of different types of power plants and their basic thermodynamic cycles.
The content is of basic maturity.
Audience:
Students, teachers or to whom it may concern
References:
1. Gas Turbine Engineering Handbook – Meherwan P. Boyce 2nd Edition
2. Thermodynamics an Engineering Approach – Yunus A. Cengel
3. Internal Combustion Engines – G.W. Ganeson
4. https://en.wikipedia.org/wiki/Power_station
5. https://en.wikipedia.org/wiki/Fossil-fuel_power_station
What is first law of Thermodynamics?
What is a Thermodynamic cycle?
Types of Thermodynamic cycles
What is a Refrigeration Cycle?
Types of Refrigeration cycles
What is a Refrigeration System?
Principle of working of a Refrigeration System
Other Refrigeration systems
Magneto hydro dynamic (mhd) power generationHemanth Duru
MHD Power Generation Is a Direct Energy conversion System Which Converts Heat Energy into Electrical Energy Without Any Intermediate stage(i.e Mechanical Energy).
It is a new technology which helps us to reach our world power demands.
It Partially Used in Developed Countries like USSR,USA,Japan.
It is in Under construction in Developing countries like India etc.
Its Losses are Less.
Initial Cost Is High.
This Presentation mainly focuses on Thermal Energy Generation in Sri Lanka and Energy conservation techniques which are using for effective and efficient thermal energy generation.
A brief explanation of how steam power plant works and what are the main factors effecting it. I also include figure and video which will help you better understand this process.
Waste heat is that which is generated in a process by way of fuel combustion or chemical reaction, and then dumped into the environment even though it could still be reused for some useful and economic purpose.
Erole Technologies Pvt Ltd. 7007957715, 7081584848
In any thermal power generation plant, heat energy converts into mechanical work. Then it is converted to electrical energy by rotating a generator which produces electrical energy.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
2. Introduction
❖ Energy and their sources
❖ Thermodynamic cycles
❖ Types of power plants
❖ Main components of power plants
❖ Concepts of power plants : advantages & disadvantages
❖ Fuels used in power plants
3. Energy
❖ Capacity for doing work, generating heat and emitting light.
❖ Standard of living for any country can be directly related to energy
consumption/generation
❖ An essential input for economic development
❖ It exists in various forms : mechanical, thermal, electrical etc.
❖ Electric Energy: an important gradient for industrial development
4. Electrical Energy
❖ can be generated centrally in bulk
❖ can be easily and economically transported over long distances
❖ losses in transportation are minimum
❖ can be easily subdivided
❖ can be adapted easily and efficiently to domestic and mechanical work
➢ Conventionally obtained by conversion from fossil fuels, nuclear and
hydro sources
➢ Heat energy - Mechanical energy - Electrical energy
5. Energy
❖ With increasing population and their energy consumption, conventional
energy sources will replenish in near future
❖ A coordinated world wide action plan is required to ensure that energy is
available for longer period of time and at low cost.
❖ Following factors needs to be considered:
➢ energy consumption curtailment
➢ develop alternate energy sources
➢ recycling nuclear wastes
➢ development & application of antipollution technologies
6. Power
❖ Power is the rate of doing work, which equals energy per time
❖ Or power is defined as rate of flow of energy
❖ Mostly associated with mechanical and electrical forms of energy
❖ Power Plant : a unit built for production and delivery of a flow of
mechanical and electrical energy
7. Review of Thermodynamic Cycles
❖ Laws of Thermodynamics
❖ Steam Engines : Rankine Cycle
❖ I.C Engines : Otto, Diesel and Dual Cycle
❖ Gas Turbine : Brayton Cycle
❖ Nuclear Power Plants : Fission and Fusion
8. Classification of power plant cycle
❖ Vapour Power Cycles
➢ Carnot cycle
➢ Rankine Cycle
➢ Regenerative cycle
➢ Reheat Cycle
❖ Gas Power Cycles
➢ Otto Cycle
➢ Diesel Cycle
➢ Dual Cycle
➢ Gas Turbine Cycle
10. Carnot Cycle
● Most efficient cycle. But to construct a device working on carnot cycle is practically impossible.
● It used as a benchmark to compare the efficiency of different devices
11. Problem 1
A car engine with the power output of 65 hp
has a thermal efficiency of 24%. Determine the
fuel consumption rate of this car if the fuel
has a heating value of 44,000 kJ/kg.
12. Problem 2
The food compartment of a refrigerator, is maintained
at 4°C by removing heat from it at a rate of
360 kJ/min. If the required power input to the
refrigerator is 2 kW, determine :
(a) the coefficient of performance of the refrigerator
(b) the rate of heat rejection to the room that houses
the refrigerator.
13. Problem 3
A heat pump is used to meet the heating requirements of a
house and maintain it at 20°C. On a day when the
outdoor air temperature drops to -2°C, the house is estimated
to lose heat at a rate of 80,000 kJ/h. If the heat pump under
these conditions has a COP of 2.5, determine
(a) the power consumed by the heat pump and
(b) the rate at which heat is absorbed from the cold outdoor air.
14. Rankine Cycle
❖ Used to predict the performance of steam turbine systems
❖ The heat is supplied externally to a closed loop, which usually uses water
as the working fluid
15. Re-Heat Cycle
❖ increases dryness fraction at exhaust so that turbine blade erosion
reduces
❖ it increases thermal efficiency
❖ it increase the work done per kg of steam and this results in reduced size
of boiler
❖ cost increases due to
reheater & connections
❖ increases condenser
capacity due to increased x
16. Regeneration Cycle
❖ process of extracting steam from the turbine at certain points during its
expansion and using this steam for heating for feed water
19. Problem 4
❖ A simple rankine cycle works between pressure of 30 bar and 0.04 bar,
the initial condition of steam being dry saturated, calculate the cycle
efficiency, work ratio and specific steam consumption.
20. Problem 5
❖ A steam power plant works between 40 bar and 0.05 bar. If the steam
supplied is dry saturated and the cycle of operation is Rankine, find (a)
Rankine efficiency (b) specific steam consumption (c) work ratio (d)
Turbine Power (e) condenser heat flow and (f) dryness fraction at the end
of expansion. Assume flow rate of 10 kg/s
❖ Pump Work : 4 kJ/kg
❖ Efficiency : 35.5 %
❖ SSC : 3.8 kg/kW-hr
❖ WR : 0.9957
21. Problem 6
❖ A steam engine operates on ideal Carnot cycle using dry saturated steam
at 17.5 bar. The exhaust takes place at 0.07 bar into a condenser.
Assuming that the expansion and compression are isentropic and liquid
enters the boiler as saturated liquid, find (a) power developed by the
engine if the steam consumption is 20 kg/min and (b) the efficiency of the
operating cycle.
22. Problem 7
❖ Dry saturated steam at 15 bar is supplied to a steam turbine. The exhaust
takes at 1.1 bar. Determine the following: (a) Rankine Efficiency (b)
Steam consumption per kWh if the efficiency ratio is 0.65 (c) carnot
efficiency for the given pressure limit using steam as working fluid and (d)
if the exhaust pressure is reduced to 0.2 bar, find the percentage increase
in Rankine efficiency and percentage decrease in specific steam
consumption.
❖ Neglect the pump work.
23. OTTO CYCLE: THE IDEAL CYCLE FOR
SPARK-IGNITION ENGINES
Actual and ideal cycles in spark-ignition engines and their P-v diagrams.
24.
25. 25
The thermal efficiency of the Otto cycle
increases with the specific heat ratio k of
the working fluid.
27. 27
DIESEL CYCLE: THE IDEAL CYCLE
FOR COMPRESSION-IGNITION ENGINES
In diesel engines, the spark plug is replaced by a fuel
injector, and only air is compressed during the
compression process.
In diesel engines, only air is compressed during the compression
stroke, eliminating the possibility of auto ignition (engine knock).
Therefore, diesel engines can be designed to operate at much higher
compression ratios than SI engines, typically between 12 and 24.
• 1-2 isentropic
compression
• 2-3 constant-
pressure heat
addition
• 3-4 isentropic
expansion
• 4-1 constant-
pressure heat
rejection.
29. 29
An ideal diesel cycle with air as the working fluid has a compression
ratio of 18 and cutoff ratio of 2. At the beginning of the compression
process, the working fluid is at 100kPa, 27°C, and 1917 cm3. Utilizing
the cold air standard assumptions, determine (a) the temperature and
pressure of air at the end of each process (b) the net work output and
the thermal efficiency and (c) the mean effective pressure.
30. 30
P-v diagram of an ideal dual cycle.
Dual cycle: A more realistic ideal cycle model for modern,
high-speed compression ignition engine.
31. 31
Problem : An air-standard Dual cycle operates with a compression ratio
of 14. The conditions at the beginning of compression are 100 kPa and
300 K. The maximum temperature in the cycle is 2200 K and the heat
added at constant volume is twice the heat added at constant pressure.
Determined, (a) The pressure, temperature, and specific volume at
each corner of the cycle, (b) The thermal efficiency of the cycle, and (c)
The mean effective pressure.
Editor's Notes
0th law : if two bodies are in equilibrium with the third body then those two bodies are also in equilibrium.
1st law : energy of the universe remains constant. eg : gasoline engine
2nd law : KP : energy cannot be transferred from low temperature reservoir to high temp reservoir without doing some external work.
2nd law : CL : thermal efficiency of any system can never be 100%