## Answers

solution: Given Tsat = -160°C. Palatm - Tez 190.5t, Pe 24.6 MPa Assuming no shield the heat transfer - Qw' = FR GA (T,"_T24) (Assuming Black Body] where Fia= shape factor= 1 (parallel plates) ? a=Stefon Bottaman constant C = 5-678108 w/mak A = TDR For (lomantmin) 4 353.15+113.15 -233.15K = 30 mcharge. Dis not given so we take b=lm A = 0.78 m2 T = Trouft Tliquid a T2 = 113.150 Qwo = 5:07 x 10-6X0.78 $(233.254-1118.754) - Qw" = 123.434 sis . 6 with shield : We known that ( ) with Shield het without Shield na noid stield Here no! Hence the ) win Shield sh to, without shield Wilt without It Scanned with la ca without shield = 123 434 5ls

2 30 (Qw) without shield - 127434 €61.7175/5 from Imax to Imin there will be (lmax-Imin) : 30m additional gap .Qw: 60-707 2.0875/s] ne capacity TIDO tH let H= im D=1m Vol.of tank = 0.78m? Now mass of 0.001som? gas=o0olsox Density 50.659 kg .

.
: Heat required = mcp (TR-7) -0.659x3.349 x (80-1-160)) 5529.9215 BOG requirem ents are generally 1000 msin Here the volume rate is will know the requirement Hence we can screw compressor oths lower C.R. Note: Hi students it you have any doubte On the solution please leave a comment, and don't dislike the solution Scanned with CamScanner

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