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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /551/CH15/EX15.27/27.sce | |
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initial commit / add all books
Diffstat (limited to '551/CH15/EX15.27/27.sce')
| -rwxr-xr-x | 551/CH15/EX15.27/27.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/551/CH15/EX15.27/27.sce b/551/CH15/EX15.27/27.sce new file mode 100755 index 000000000..d6ba5cd23 --- /dev/null +++ b/551/CH15/EX15.27/27.sce @@ -0,0 +1,27 @@ +clc
+d=0.022; //m
+di=0.18; //m
+e1=0.62;
+e2=0.82;
+rho=7845; //kg/m^3
+T1a=693; //K; For caseI
+T1b=813; //K; For caseII
+T2=1373; //K
+l=1; //m
+a=5.67*10^(-8);
+cp=0.67; //kJ/kg K
+
+A1=%pi*d*l;
+A2=%pi*di*l;
+
+
+Qi=A1*a*(T1a^4-T2^4)/(1/e1+A1/A2*(1/e2 - 1));
+
+Qe=A1*a*(T1b^4-T2^4)/(1/e1+A1/A2*(1/e2 - 1));
+
+Qav=-(Qi+Qe)/2;
+
+t_h=%pi/4*d^2*rho*cp*(T1b-T1a)*10^3/Qav;
+disp("Time required for the heating operation")
+disp(t_h)
+disp("s")
\ No newline at end of file |