A gas-turbine power plant operates on the simple Brayton cycle between the pressure limits of 100 and 1600 kPa. The working fluid is air, which enters the compressor at 40C at a rate of 850 m3/min and leaves the turbine at 650C. Using variable specific heats for air and assuming a compressor isentropic efficiency of 85 percent and a turbine isentropic efficiency of 88 percent, determine (a) the net power output, (b) the back work ratio, and (c) the thermal efficiency.
A gas-turbine power plant operates on the simple Brayton cycle between the pressure limits of 100 and 1600 kPa. The working fluid is air, which enters the compressor at 40C at a rate of 850 m3/min and leaves the turbine at 650C. Using variable specific heats for air and assuming a compressor isentropic efficiency of 85 percent and a turbine isentropic efficiency of 88 percent, determine (a) the net power output, (b) the back work ratio, and (c) the thermal efficiency.
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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A gas-turbine power plant operates on the simple
Brayton cycle between the pressure limits of 100 and 1600
kPa. The working fluid is air, which enters the compressor
at 40C at a rate of 850 m3/min and leaves the turbine at
650C. Using variable specific heats for air and assuming a
compressor isentropic efficiency of 85 percent and a turbine
isentropic efficiency of 88 percent, determine (a) the net
power output, (b) the back work ratio, and (c) the thermal
efficiency.
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