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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 /2735/CH15/EX15.3 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2735/CH15/EX15.3')
| -rwxr-xr-x | 2735/CH15/EX15.3/Ex15_3.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/2735/CH15/EX15.3/Ex15_3.sce b/2735/CH15/EX15.3/Ex15_3.sce new file mode 100755 index 000000000..409e0ddbb --- /dev/null +++ b/2735/CH15/EX15.3/Ex15_3.sce @@ -0,0 +1,27 @@ +clc
+clear
+//Initialization of variables
+t=60 //F
+J=778.16
+p1=600 //psia
+p2=0.2563 //psia
+etaf=0.85
+//calculations
+disp("From steam tables,")
+vf=0.01604 //ft^3/lbm
+dw=-vf*(p1-p2)*144/J
+ha=28.06 //Btu/lbm
+hb=29.84 //Btu/lbm
+hd=1203.2 //Btu/lbm
+he=750.5 //Btu/lbm
+dqa=hd-hb
+dqr=ha-he
+dw=dqa+dqr
+dwturb=hd-he
+dwpump=ha-hb
+etat=dw/dqa
+eta=etat*etaf
+//results
+printf("Thermal efficiency = %.1f percent",etat*100)
+printf("\n Overall efficiency = %.1f percent",eta*100)
+
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