Mass flow rates of the two streams

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Reference no: EM13950352

Liquid water enters a heat exchanger operating at steady state at T1 5 60°F, p1 5 1 atm and exits at T2 5 160°F with a negligible change in pressure. In a separate stream, steam enters at T3 5 20 lbf/in.2, x3 5 92% and exits at T4 5 140°F, p4 5 18 lbf/in.2 Stray heat transfer and the effects of motion and gravity are negligible. Let T0 5 60°F, p0 5 1 atm. Determine (a) the ratio of the mass flow rates of the two streams and (b) the rate of exergy destruction, in Btu per lb of steam entering the heat exchanger.

Reference no: EM13950352

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