Question: Consider a gasoline engine for a car as an SSSF device where air and fuel enters at the surrounding conditions 77 F, 14.7 lbf/in 2

Consider a gasoline engine for a car as an SSSF device where air and fuel enters at the surrounding conditions 77 F, 14.7 lbf/in 2 and leaves the engine exhaust manifold at 1800 R, 14.7 lbf/in 2 as products assumed to be air. The engine cooling system removes 320 Btu/lbm air through the engine to the ambient. For the analysis take the fuel as air where the extra energy of 950 Btu/lbm of air released in the combustion process, is added as heat transfer from a 3240 R reservoir. Find the work out of the engine, the irreversibility per pound-mass of air, and the first- and second-law efficiencies.

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1 AIR Wa ac Qout To 11 QH TH Wh hqHout 12838449794 950 320 3086 Btu1bm nTH WqH 3086950 032... View full answer

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