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Evaluate mechanical work in different steady flow process:
Work done by steady flow process and work done in non flow process, 1. Constant Volume Process; W1-2 = V(P1 - P2)
Steady flow equation
dq = du = dh + d (ke) + d (pv)
Now h = a + pr
By differentiating
dh = du + dtper
= du = pdv = vdp.
Compare Rankine cycle with Carnot cycle: Sol.: Rankine cycle without superheat: 1 - A - 2 - 3 - 4 - 1. Rankine cycle with superheat : 1 - A - 2 - 2′ -3′ - 4 - 1.
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