Air in an internal-combustion engine has 440°F, 150 psia, with a volume of 3 ft. Combustion heats it to 2700°R in a constant-volume process. Determine the following: а. mass of air; 1.3498 lbm b. the final pressure; 450 psia c. the change in Enthalpy; 583.1052 BTU d. the heat transferred to the air; 416.434 BTU

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.