The back-work ratio is nearest:
The pressure and temperature at the inlet to the ideal Brayton cycle shown, are 100 kPa and 10ºC. It has a compression ratio of 8. The maximum temperature in the cycle is 1000ºC. Assume constant specific heats
A) 40%
B) 45%
C) 50%
D) 55%
A) 40%
The BWR is the percent of the turbine work that’s needed to drive the compressor:
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