Q2) An ideal air-standard dual cycle has a compression ratio of 14 . Air is at 1 bar,
27\deg C
at the beginning of the compression process and at 2200 K at the end of the heat-addition process. The total heat transfer to air is
1520.4k(J)/(k)g
. Assuming variable specific heats for air, determine: a) the fraction of heat transferred at constant volume, b) the thermal efficiency of the cycle, c) the mean effective pressure.

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Q2) An ideal air-standard dual cycle has a compression ratio of 14 . Air is at 1 bar,

27\deg C

at the beginning of the compression process and at 2200 K at the end of the heat-addition process. The total heat transfer to air is

1520.4k(J)/(k)g

. Assuming variable specific heats for air, determine: a) the fraction of heat transferred at constant volume, b) the thermal efficiency of the cycle, c) the mean effective pressure.

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Solution for - Q2) An ideal air-standard dual cycle has a compression ratio of 14 . Air is at 1 bar, 27 deg C at th

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