3 soln - 5.14 As indicated in the problem statement the...

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Unformatted text preview: 5.14 As indicated in the problem statement the basic differential equations are: dW—JQH-dflc=0 {AJ dQH TH =—— B G'QC TC E J where Q: and Q3 refer to the reservoirs. (a) With dQL- = C‘dec; Eq. LBJ becomes: d J T T U“ = ——H or dQH = 4315911. 1‘33ch- Tc Tc Substitute for dQfi' and a‘QC- in Eq. [A]: dT- M1! = —Cg.THT—‘ + ("gam- E. Integrate from TED to Tc: T - ' T ~ W = —CJ£-TH 1" —L + — Tc“) OF “I” = (TH [1'] g — Tc — Tc”) C. (b) For infinite time. Tc 2 TH. and the boxed equation above beeoutesi: “5 " -_ o {130.* *Ls'hu nahwmin, $l‘?«n, , w:- (42 r ’_ r vj-Anfiiq" ’5‘,”- au dv +ch4s‘QJ * . av akwyfi _ 91* HEW—“93' ‘m f;_wRTL oH' ____,_ (ML 3 is a Carla) __ ...
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3 soln - 5.14 As indicated in the problem statement the...

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