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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 /779/CH18/EX18.4 | |
| 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 '779/CH18/EX18.4')
| -rwxr-xr-x | 779/CH18/EX18.4/18_4.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/779/CH18/EX18.4/18_4.sce b/779/CH18/EX18.4/18_4.sce new file mode 100755 index 000000000..76d6f18d6 --- /dev/null +++ b/779/CH18/EX18.4/18_4.sce @@ -0,0 +1,16 @@ +P1 = 1.013; P4 = 80;
+P2 = sqrt(P1*P4);
+V_dot = 4/60; // in m3/s
+n = 1.25;
+n_mech = 0.75;
+W_dot = ((2*n)/(n-1))*((P1*100*V_dot)/n_mech)*((P2/P1)^((n-1)/n)-1);
+N = 250;
+L = (3*60)/(2*N); // Stroke length of piston in m
+Vlp = 4/N;
+n_vol = 0.8;
+Dlp = sqrt((Vlp*4)/(n_vol*L*%pi));
+Dhp = Dlp*sqrt(P1/P2);
+disp("kW",W_dot,"Minimum power required is")
+disp("cm",L*100,"Stroke of the compressor is")
+disp("cm",Dhp*100,"Bore of high pressure compressure is")
+disp("cm",Dlp*100,"Bore of lo pressure compressure is")
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