quiz8 - METU Department of Aerospace Engineering 0 AE231...

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Unformatted text preview: METU Department of Aerospace Engineering 0 AE231 THERMODYNAMICS 5 L— UT / ON Name : Quiz N 0. 8 (on Ch. 9) ~ 28 November 2007 Signature : A rigid tank of volume 0.2 m3 is initially empty (as shown in the figure). ,A This tank is filled with air from a supply line at 500 kPa and 500 K . The process is adiabatic and continues until the pressure inside the tank is 500 kPa . Assuming that CV and CI) of air are n_ot constant, explain how you would determine the entropy generation for this process (if you had tables). Sysjrem : A'u' (see, £T30r€> (*4) “22:23 M _--_‘__, U Assumexl‘om : 1T j . arr Is on 1M gas 44) A _,H_' c “{(QMTQAJF ?{‘0(.&,S;S U ( \{m1= PLV l/ + ‘\ . A23\Q(5c (:1 1 Fe .. _ -.-_, V 'i\~_\_f_‘_ 1:. ./ mamas.-- W , W -V WM 0 o 0 (cans. a; massfi m; -fl’{; = my. 'fl?‘ (+\3 kg“. lav-J) O 7' O i ”A” “flaw—“Mr“ ~A\_«\ - __ K’“ " ’g S = m 5 " ‘S‘*%XI+ Q32- ma- //-/“’”‘ 40 ..o o \flzm:....mo.2=_l——/ r0 E jet 1 1 13 ( 2) (may (9—53 - ’ M-fihfimzur . = mm.- s» + 4 f\ - I1. ‘1'}: O'HW! , I O 06.3 211?. \\ , My“ _u(1u1 (+0 —N\7_Y_51(T2—36 ‘ - ._ \eam ,s N 316 = “H W— """"" , I M M E: . — 1 a: To ‘ 500 K K ) gfl’m rakes ...
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