A gas-turbine power plant operates on the simple Brayton cycle with air as the working fluid and delivers 30.00 MW of power. The minimum and maximum temperatures in the cycle are 310 and 900 K, and the pressure of air at the compressor exit is eight times the value at the compressor inlet. Assuming an isentropic efficiency of 80 percent for the compressor and 86 percent for the turbine, determine the mass flow rate of air through the cycle using constant specific heats at room temperature. The properties of air at room temperature are cp = 1.005 kJ/kg . K and k=1.4. The mass flow rate of air through the cycle is [ kg/s.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A gas-turbine power plant operates on the simple Brayton cycle with air as the working fluid and delivers 30.00 MW of power. The
minimum and maximum temperatures in the cycle are 310 and 900 K, and the pressure of air at the compressor exit is eight times the
value at the compressor inlet. Assuming an isentropic efficiency of 80 percent for the compressor and 86 percent for the turbine,
determine the mass flow rate of air through the cycle using constant specific heats at room temperature. The properties of air at room
temperature are cp = 1.005 kJ/kg. K and k=1.4.
The mass flow rate of air through the cycle is
kg/s.
Transcribed Image Text:A gas-turbine power plant operates on the simple Brayton cycle with air as the working fluid and delivers 30.00 MW of power. The minimum and maximum temperatures in the cycle are 310 and 900 K, and the pressure of air at the compressor exit is eight times the value at the compressor inlet. Assuming an isentropic efficiency of 80 percent for the compressor and 86 percent for the turbine, determine the mass flow rate of air through the cycle using constant specific heats at room temperature. The properties of air at room temperature are cp = 1.005 kJ/kg. K and k=1.4. The mass flow rate of air through the cycle is kg/s.
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