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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+clc
+clear
+//INPUT DATA
+l=30;//Stroke in cm
+d=17;//Bore in cm
+vc=440*10^6;//Clearance volume in m^3
+r=0.05;//cutoff ratio
+g=1.4;//constant
+
+//CALCULATIONS
+vs=((3.14*(d^2)*l)*10^6)/4;//swept volume in m^3
+v1=vs+vc;//Total volume in m^3
+v3=vc+(r*(v1-vc));//volume at point of cutoff
+ro=v3/vc;//cutoff ratio
+Rc=(vs+vc)/vc;//compression ratio
+nd=(1-(((1/(Rc^(g-1))))*(((ro^g)-1)/((ro-1)*g))))*100;//Air standard efficiency in precentage
+
+//OUTPUT
+printf('Air standard efficiency is %3.2f precentage',nd)