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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 /2063/CH7/EX7.18 | |
| 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 '2063/CH7/EX7.18')
| -rwxr-xr-x | 2063/CH7/EX7.18/7_18.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2063/CH7/EX7.18/7_18.sce b/2063/CH7/EX7.18/7_18.sce new file mode 100755 index 000000000..c07cd7ccf --- /dev/null +++ b/2063/CH7/EX7.18/7_18.sce @@ -0,0 +1,19 @@ +clc
+clear
+//Input data
+A=450;//Area of indicator diagram in mm^2
+l=60;//Length of indicator diagram in mm
+s=1.1;//Spring number in bar/mm
+d=0.1;//Diameter of piston in m
+L=0.13;//Length of stroke in m
+N=400;//Operating speed of the engine in rpm
+
+//Calculations
+Av=A/l;//Average height of indicator diagram in mm
+pm=Av*s;//Mean effective pressure in bar
+np=N/2;//Number of power strokes per minute for a four stroke diesel engine
+Ar=(3.14*d^2)/4;//Area of the piston in m^2
+I=(pm*10^5*L*Ar*np)/(1000*60);//Indicated power in kW
+
+//Output
+printf('(a)The indicated mean effective pressure is %3.2f bar\n (b)Indicated power is %3.2f kW',pm,I)
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