The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces v

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The Figure Below Shows A Vapor Power Cycle That Provides Process Heat And Produces Power The Steam Generator Produces V 1 (135.51 KiB) Viewed 46 times

The figure below shows a vapor power cycle that provides process heat and produces power. The steam generator produces vapor at 500 lbf/in.-, 800°F, at a rate of 8x 10*1b/h. Seventy percent of the steam expands through the turbine to 20 lbf/in. and the remainder is directed to the heat exchanger. Saturated liquid exits the heat exchanger at 500 lbf/in.? and passes through a trap before entering the condenser at 10 lbf/in.2 Saturated liquid exits the condenser at 10 lbf/in.2 and is pumped to 500 lbf/in.? before entering the steam generator. 2 The turbine and pump have isentropic efficiencies of 85% and 89%, respectively. For the process heat exchanger, assume the temperature at which heat transfer occurs is 465°F. Let To = 60°F, PO = 14.7 lbf/in. P1 = 500 lbf/in 2 Ti = 800°F 1 = 85% Steam generator ஸ் 1 (1 - y) Turbine (y) P2 = 10 lbf/in 2 Heat exchanger wh process -6 P4 = 500 lbf/in.2 saturated liquid Qout Condenser Pump 1 = 89% P3 = 10 lbf/in.2 saturated liquid WO Determine: (a) the magnitude of the process heat production rate, in Btu/h. (b) the magnitude of the rate of exergy output, in Btu/h, as net work. (c) the rate of exergy transfer, in Btu/h, to the working fluid passing through the steam generator. (d) the magnitude of the rate of exergy output, in Btu/h, with the process heat. (e) the magnitude of the rate of exergy loss, in Btu/h, from the working fluid passing through the condenser. (f) the sum of the rate of exergy destrution, in Btu/h, in the turbine, process heat exchager, trap, and pump.