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26 Nov 2019
Consider an Otto cycle engine in which 1 mol of ideal gas is adiabatically compressed from 1 atm and 300 K to one-eighth of its initial volume, is heated at constant volume through a temperature rise of 1600K, expands adiabatically to its initial volume, and then cools to its initial temperature. Determine the heat interaction and the entropy change for the gas along each leg of the cycle. If the source of heat is a resevoir at 3000K and the heat rejection during cooling is to a resevoir at 300K, what is the entropy change of the universe for each cycle of the engine if Cv for the gas is 3R?
Consider an Otto cycle engine in which 1 mol of ideal gas is adiabatically compressed from 1 atm and 300 K to one-eighth of its initial volume, is heated at constant volume through a temperature rise of 1600K, expands adiabatically to its initial volume, and then cools to its initial temperature. Determine the heat interaction and the entropy change for the gas along each leg of the cycle. If the source of heat is a resevoir at 3000K and the heat rejection during cooling is to a resevoir at 300K, what is the entropy change of the universe for each cycle of the engine if Cv for the gas is 3R?
