Water in a piston/cylinder is at 150 lbf/in.2, 900 F, as
Chapter 6, Problem 243EUP(choose chapter or problem)
Problem 243EUP
Water in a piston/cylinder is at 150 lbf/in.2, 900 F, as shown in Fig. P6.177. There are two stops, a lower one at Vmin = 35 ft3 and an upper one at Vmax = 105 ft3. The piston is loaded with a mass and outside atmosphere such that it floats when the pressure is 75 lbf/in.2. This setup is now cooled to 210 F by rejecting heat to the surroundings at 70 F. Find the total entropy generated in the process.
FIGURE P6.177
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