Propane is in a piston-cylinder initially at a pressure of p₁ = 1 bara and a specific volume of U₁ = 0.3 m³/kg. The Propane is compressed such that pu¹.2 = constant to a final pressure of p2 = 5 bara. Determine the change in specific internal energy for this process, in kJ/kg.

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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.