Separate streams of air and water flow through the compressor and heat exchanger arrangement shown in the figure below, where m₁ = 1kg/s and T6 = 40°C. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Determine: Air P₁ = 1 bar 1+₁=300 K m₁ Compressor A P₂=3 bar +2 T₂=600 K (a) the total power for both compressors, in kW. (b) the mass flow rate of the water, in kg/s. WCVA wwwwww wwwww VT6, P6=Ps -Heat excha P4=9 bar T₁=800 K4 Compressor B 3+ P3=P2 T3=450 K Water Ts=20°C Ps= 1 bar WCVB

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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.