Air enters the compressor of an air-standard Brayton cycle with a volumetric flow rate of 60 m /s at 100 bar, 320 K. The compressor pressure ratio is 20, and the maximum cycle temperature is 2200 K. For the compressor, the isentropic efficiency is 92% and for the turbine, the isentropic efficiency is 95%. Determine (a). the net power developed, in MW, (b). the back work ratio, and (c). the thermal efficiency of the cycle

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explanation:

the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

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