Calculate the equations for the specific heats

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Reference no: EM131285291

The following data refer to an analysis of a dual combustion cycle with a gas having specific heats varying linearly with temperature:

The pressure and temperature of the gas at the end of compression are 31 bar and 227 °C respectively; the maximum pressure achieved during the cycle is 62 bar, while the maximum temperature achieved is 1700
C.

The temperature at the end of the expansion stroke is 1240 °C. The increases in entropy during constant volume and constant pressure combustion are 0.882 and 1.450 kJ/kg K respectively. Assuming that the fluid behaves as an ideal gas of molecular weight, mw - 30.5 calculate the equations for the specific heats, and also the expansion ratio if that process is isentropic.

Reference no: EM131285291

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