# sm6_30marys - 6.30 One pound mass of air as an ideal gas...

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Unformatted text preview: 6.30 One pound mass of air as an ideal gas contained within a piston—cylinder assembly undergoes a Carnot power cycle. At the beginning of the isothermal expansion, the temperature is 1600°R and the pressure is 12001bf/in.2 The isothermal compression occurs at 500°R and the heat added per cycle is 40.0 Btu. Assuming the ideal gas model for the air, determine (a) the pressures at the end of the isothermal expansion, the adiabatic expansion, and the isothermal compression, each in nit/ml. (b) the net work developed per cycle, in Btu. (c) the thermal efficiency. l->Z. Rev lsoﬂvmai TH -.-' IQUD°R 405M / (ELLE TH “4602.70 ————> 62%: Tim(— Rﬂm%> -——a> Solve, AL—A: ffr—‘iylzo— Rim??? 2"?3 Rev Asli‘abod-az. ——> ’07”: ,05 M0 = ,0°(T5)',4°(T2> —Pvlm% P = ’ BM __ 1.786 1523 .2.— 1 . 0 I 58235 .37 ‘30 WE ("ZZQ7 l£m°K> M 33355. P3 1zlgl F§| 3—9‘] Riv iSoi’kNMMi TL: 500°K. Skip , Qs—q :T’r “464320; ' i am . W = Q -\A/. AQBJFLH QM=500°K0im)£5813;'-57‘5°>‘R9“E1 P 4* l Rev Aambkhb "’A) 5% 6’2 ‘ IZ €54“ 5 3, . ___.——— O- n a P. M ‘ ﬂ(77>30(74> " RM); 0 = \$7350 ”.58253 511‘ __ [3’22 E11 '3— _.__,.- ,mz (2937 iv >taﬁf P4 1772?: TH‘E r, Mew—\$7002 —-» WM = maﬁjtw isa'l'htrmm - V KV : P5 W3»: ' mm; W 3;}: 7,; W3"‘ 1T6?“ R Va if! = ...
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