Briefly describe (with the use of diagrams) the Brayton’s cycle and derive the formula for the...

Briefly describe (with the use of diagrams) the Brayton’s cycle and derive the formula for
the coefficient of performance for the Brayton’s cycl

Expert Solution

A Brayton cycle that is driven in reverse, via net work input, and when air is the working fluid, is the gas refrigeration cycle or Bell Coleman cycle. Its purpose is to move heat, rather than produce work. It is also sometimes known as the Joule cycle.

THIS IS A TYPICAL GENERAL BRAYTON CYCLE WHICH IS A OPEN CYCLE WITH COMPRESSOR,COMBUSTION CHAMBER,TURBINE/NOZZLE
REVERSED BRAYTON CYCLE

The joule cycle consist of 4 processses :-

1-2: Reversible, adiabatic compression in a compressor

2-3: Reversible, isobaric heat rejection in a heat exchanger

3-4: Reversible, adiabatic expansion in a turbine

4-1: Reversible, isobaric heat absorption in a heat exchanger

This is a typical reversed brayton cycle

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samet mamat answered 6 months ago

a. Briefly describe (with the use of diagrams) the Brayton’s cycle and derive the formula for...

a. Briefly describe (with the use of diagrams) the Brayton’s cycle and derive the formula for the coefficient of performance for the Brayton’s cycle b. A Bell-Coleman refrigerator operates between pressure limits of 2 bar and 14 bar. Air is drawn from the cold chamber at 100C, compressed and then it is cooled to 32OC before entering the expansion cylinder. Expansion and compression follow the law pv1.35 = constant. Calculate the theoretical C.O.Pof the system ForairtakeƳ=1.6,CP =1.205kJ/kgK andPV1.23=C

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