The efficiency of a gas turbine in % with an operating pressure ratio of 6 is
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• Let us first consider the Brayton cycle
without the regenerator:
( )
K T T T T
T K
T K
T
T
P
P
T
T
C
s
s
s
s
s
252
0.8
505 303
of a compressor,
From the definition of isentropic efficiency
705
1.668
1173
303 1.669 505
6 1.668
02 01
02 01
04
02
0.4/1.4
04
03
1 /
01
02
01
02
= − = − − =
= =
= × =
= = =
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