Explain Brayton cycle with T-S and P-V diagram.

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teamques10 ★ 68k

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thermodynamics

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written 6.2 years ago by

teamques10 ★ 68k

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(a) P-v diagram (b) T-s diagram

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The open cycle Brayton cycle is shown in figure. It consists of following Processes:

1-2: isentropic compression

2-3: constant pressure heat addition

3-4: isentropic expansion

4-1: constant pressure heat rejection

Heat added, Q1= mCp (T3-T2)

Heat rejected, Q2= mCp (T4-T1)

Thermal efficiency,

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The pressure ratio of the Brayton cycle, rp is defined as,

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