Quiz2 - MAE118A Introduction to Energy Systems Quiz 2...

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MAE118A: Introduction to Energy Systems Quiz 2 : Gas–Turbine Cycle with Regenerator Kowsik Bodi October 26, 2009 One way to improve the efficiency of a simple Brayton cycle gas turbine is to introduce a heat exchanger, known as a regenerator, into the system as shown in the diagram below. This regenerator transfers heat from the exhaust stream of the turbine to the high pressure gas exiting the compressor prior to the in- troduction of this gas to the combustion stage. Air at condition (1) is drawn through an adiabatic isentropic compressor, and exits at condition (2) . It then enters an idealized heat exchanger, which does not have any pressure drop, and leaves at condition ( a ) . It then enters an idealized combustion chamber which adds an amount of heat q h to the air and exits that chamber at condition (3) . The heated high pressure air then enters an ideal turbine which allows it to ex- pand to condition (4) . This gas is then run through the regenerator where is transfers heat to the air at condition
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This note was uploaded on 02/03/2010 for the course MAE MAE118A taught by Professor Kowsikbodi during the Fall '09 term at UCSD.

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Quiz2 - MAE118A Introduction to Energy Systems Quiz 2...

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