In a gas turbine plant

air at 10ºC & 1 bar is compressed to 4 bar with compression efficiency of 80%. The air is then heated in regenerator & combustion chamber till its temperature is raised to 700ºC and during the process pressure falls by 0.14 bar. The air then expanded in turbine & passes to regenerator which has effectiveness 75% & causes pressure drop of 0.14 bar. If isentropic efficiency of turbine is 85%, determine thermal efficiency of plant. Assume Cp = 1.005 KJ/KgK, and ϒ= 1.4 for air & gases

Subject : Thermal and Fluid Power Engineering

Topic : Gas Turbine

Difficulty : High

tfpe(66) • 277  views
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