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What is the thermal efficiency of a gas power cycle using thermal energy reservoirs at 627°C and 60°C? The thermal efficiency is______ %

Respuesta :

Answer

63 %

Explanation:

It is given that the reservoirs is at the temperature of 627°C and 27°C

So lower temperature that is[tex]T_L[/tex]  = 60°C=273+60=333 K

And the higher temperature that is [tex]T_H[/tex]  = 627°C =273+627=900 K

We know that the thermal efficiency of thermal reservoir = 1-[tex]\frac{T_L}{T_H}[/tex]  = [tex]1-\frac{333}{900}[/tex] = 0.63 =63 %

So the efficiency of the reservoir is 63%

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