1. Heat is transferred to a diesel engine from a constant volume combustion chamber. Diesel engine...

 

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1. Heat is transferred to a diesel engine from a constant volume combustion chamber. Diesel engine operates with an air-standard diesel cycle which has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27°C. A constant-volume combustion chamber contains a mixture of 1 kmol of H₂ and 0.5 kmol of O₂ at 25°C and 1 atm initially. The contents of the tank are ignited, and the final temperature and pressure in the tank are 2800 K and 5 atm, respectively. If the combustion gases consist of H₂O, H2, and O2 and the generated heat is transferred to the diesel engine determine; (a) The equilibrium composition of the product gases (b) The amount of heat transfer from the combustion chamber (c) The temperatures at each state of the diesel cycle (d) The thermal efficiency of the cycle (e) The amount of work generated 1. Heat is transferred to a diesel engine from a constant volume combustion chamber. Diesel engine operates with an air-standard diesel cycle which has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 95 kPa and 27°C. A constant-volume combustion chamber contains a mixture of 1 kmol of H₂ and 0.5 kmol of O₂ at 25°C and 1 atm initially. The contents of the tank are ignited, and the final temperature and pressure in the tank are 2800 K and 5 atm, respectively. If the combustion gases consist of H₂O, H2, and O2 and the generated heat is transferred to the diesel engine determine; (a) The equilibrium composition of the product gases (b) The amount of heat transfer from the combustion chamber (c) The temperatures at each state of the diesel cycle (d) The thermal efficiency of the cycle (e) The amount of work generated

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