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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 /2015/CH9/EX9.9 | |
| 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 '2015/CH9/EX9.9')
| -rwxr-xr-x | 2015/CH9/EX9.9/9_9.sce | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/2015/CH9/EX9.9/9_9.sce b/2015/CH9/EX9.9/9_9.sce new file mode 100755 index 000000000..e01e0fdbd --- /dev/null +++ b/2015/CH9/EX9.9/9_9.sce @@ -0,0 +1,29 @@ +clc
+//initialisation of variables
+sp=1400 //speed in revolutions per min
+ma=15 //mass in kgs
+r=0.287
+p1=1 //pressure in bar
+t1=303 //temparature in k
+p2=7 //pressure in bar
+c=0.05 //clearance volume/stoke volume
+pi=(22/7)
+n=1.2
+m1=15
+meff=0.85 //mechanical efficinecy
+//CALCULATIONS
+rp=(p2/p1)
+m=ma/sp
+va=(m1*r*t1)/(p1*100)
+eff1=(1+c-c*(rp)^(1/n))
+vs=va/eff1
+d1=((4*vs)/pi)^(1/3)
+pr=((n/(n-1))*m1*r*t1*((rp)^((n-1)/n)-1))/60
+prs=pr/meff
+d2=((prs*4)/(7*100*pi*700))^0.333
+//RESULTS
+printf('volumetric efficiency is %2f',eff1)
+printf('\nlengh of the stroke is %2fm',d1)
+printf('\nindicated power is %2fkw',pr)
+printf('\npower required at the shaft of the compressor is %2fkw',prs)
+printf('\ndiameter of the piston is %2fm',d2)
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