A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 30°C. The compressor pressure ratio is 8, the maximum cycle temperature is 800°C, and the cold airstream leaves the regenerator 10°C cooler than the hot airstream at the inlet of the regenerator. Assuming the compressor isentropic efficiency to be 87 percent and the turbine isentropic efficiency to be 90 percent, determine the rates of heat addition and rejection for this cycle when it produces 130 kW. Use constant specific heats at room temperature. The properties of air at room temperature are c₂= 1.005 kJ/kg-K and k = 1.4. The rate of heat addition for this cycle is _____ kw kW The rate of heat rejection for this cycle is _____

A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 30°C. The compressor pressure ratio is 8, the maximum cycle temperature is 800°C, and the cold airstream leaves the regenerator 10°C cooler than the hot airstream at the inlet of the regenerator. Assuming the compressor isentropic efficiency to be 87 percent and the turbine isentropic efficiency to be 90 percent, determine the rates of heat addition and rejection for this cycle when it produces 130 kW. Use constant specific heats at room temperature. The properties of air at room temperature are c₂= 1.005 kJ/kg-K and k = 1.4. The rate of heat addition for this cycle is _ kw kW The rate of heat rejection for this cycle is _

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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