The gas expanding in the combustion space of a reciprocating engine has an initial pressure of 50 bar and an initial temperature of 1623 C. The initial volume is 50000 mm' and the gas expands through a volume ratio of 20 according to the law pV constant. Caleulate w and AU Take R = 270 J/Kg K and C, = 800 J/Kg K. Assume n =1.38

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Chapter6: Forced Convection Over Exterior Surfaces
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Problem 6.8P
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2. The gas expanding in the combustion space of a reciprocating engine has an initial pressure of 5o
bar and an initial temperature of 1623 C. The initial volume is 50000 mm' and the gas expands
through a volume ratio of 20 according to the law pV = constant. Calculate w and AU
Take R = 270 J/Kg K and C, = 800 J/Kg K. Assume n = 1.38
Transcribed Image Text:2. The gas expanding in the combustion space of a reciprocating engine has an initial pressure of 5o bar and an initial temperature of 1623 C. The initial volume is 50000 mm' and the gas expands through a volume ratio of 20 according to the law pV = constant. Calculate w and AU Take R = 270 J/Kg K and C, = 800 J/Kg K. Assume n = 1.38
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