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a gas-turbine power plant operates on the simple brayton cycle with air as the working fluid and delivers 32 mw of power. the minimum and maximum temperatures in the cycle are 310 and 900 k, and the pressure of the air at the compressor exit is 8 times the value at the compressor inlet. assuming an isentropic efficiency of 79 percent for the compressor and 83 percent for the turbine, determine the mass flow rate of air through the cycle. account for variation of specific heats with temperature by using the ideal gas tables to determine properties. what is the overall cycle thermal efficiency?

Sagot :

The same potential for cooling exists in reversed gas power cycles as it does in reversed vapor cycles. However, not all gas power cycles have an analog for a reversed cycle refrigerator.

In order to reverse internal combustion gas power cycles, for instance, quick endothermic (heat-absorbing) chemical reactions akin to the exothermic combustion reactions utilized in power cycles would need to be developed. However, efficient reverse cycle refrigeration methods are available for all external combustion gas power cycles. Vapor and gas power cycles quickly revolutionized the globe and did so for all time.

Learn more about exothermic here-

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