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What is the function of regenerator?
Regenerators can be used for exhaust-gas heat exchange or for intercooling in gas-turbine systems. As an exhaust-gas heat exchanger, a regenerator recovers heat from the exhaust and uses it to preheat the compressed air before the compressed air enters the combustor.
What do you mean by regeneration gas turbine engines?
The regeneration cycle of a gas turbine uses recovered exhaust heat to preheat the compressed air prior to combustion. This heat recovery can increase the turbine’s thermal efficiency to approximately 35 to 40%.
Can a car run on jet fuel?
Jet fuel can actually be used in cars, but only in diesel engines. Kerosene jet fuel and diesel are actually similar enough to allow for cross-functionality and would provide a similar performance. Both are derived from crude oil, and both run their respective engines on combustion.
What is the function of regenerator Sanfoundry?
What is the function of regenerator? Explanation: Regenerator is usually of shell and tube construction. Regenerator uses the heat of exhaust gas to heat compressed air before it is sent to combustion chamber. This reduces the fuel consumption and improves the cycle thermal efficiency.
What is the air standard cycle for a gas turbine called?
What is the air standard cycle for a Gas-Turbine called? Explanation: Brayton cycle is an ideal air standard cycle for a Gas turbine, which, like the Rankine cycle, also comprises of two reversible adiabatic & two reversible isobars.
Are repeaters called regenerators?
An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. These repeaters are also called regenerators for the same reason.
How is the regenerator used in the gas turbine cycle?
Here it is devised to use this potential by means of a heat exchanger called regenerator, which shall preheat the air leaving compressor before entering the combustion chamber, thereby reducing the amount of fuel to be burnt inside combustion chamber (combustor).
Where does the pressure drop in a regenerator?
Under ideal conditions, no frictional pressure drop occurs in either fluid stream while turbine exhaust gas gets cooled from 4 to 4’while compressed air is heated from 2 to 2’. Assuming regenerator effectiveness as 100% the temperature rise from 2 –2’ andropfromd4 to 4’isshown on T-S diagram.
How is heat lost in a gas turbine?
Thus their exist potential for tapping the heat energy getting lost to surroundings with exhaust gases.
What should the exhaust temperature of a gas turbine be?
In earlier discussion it is seen that for the maximization of specific work output the gas turbine exhaust temperature should be equal to compressor exhaust temperature. The turbine exhaust temperature is normally much above the ambient temperature.