HW8 - Department of Chemical Engineering ChE 110A...

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Unformatted text preview: Department of Chemical Engineering ChE 110A University of California, Santa Barbara Winter 2011 Problem Set No. 8 Due: Wednesday, March 2, 2011 Objective : To understand and perform calculations involving the entropy and the second law of thermodynamics for closed, open, and cyclical processes. To understand and perform calculations involving fundamental thermodynamic relations and potentials ( g, G, ¡, ¢, and £ ). Note: Numerical values for some problems have been changed from those in the book. Problem 39 ( thought problem) Draw a Venn diagram showing the relationship between the following closed processes: adiabatic, reversible, and isentropic. (You can check what a Venn diagram is at Wikipedia.) Problem 40 ( Smith, van Ness, Abbot, 5.46, page 197) A Hilsch vortex tube operates with no moving mechanical parts, and splits a gas stream into two streams: one warmer and the other cooler than the entering stream. Air enters one such tube at 5 ¤¥¦ and 20 § . A fraction of it leaves in the warm stream at 1 ¥¨© and 25 § , and the remainder in the cool stream at 1 atm. The mass flowrate of warm air leaving is 6 times that of...
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This note was uploaded on 12/29/2011 for the course CHE 110a taught by Professor Shell during the Fall '10 term at UCSB.

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HW8 - Department of Chemical Engineering ChE 110A...

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