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diff --git a/2015/CH8/EX8.10/8_10.sce b/2015/CH8/EX8.10/8_10.sce
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+
+clc
+//initialisation of variables
+ph=13.89 //pressure in bar under 36 degrees temp
+p1=1.447 //pressure in bar under -26 degrees temp
+h1=1411.4 //kj/kg
+s1=5.718 //kj/kgk
+h2=1561.7 //kj/kg
+h3= 150 //kj/kg
+h4=185.8 //kj/kg
+h5=1445.5 //kj/kg
+s5=5.327 //kj/kgk
+s5=5.327 //kj/kgk
+h6=1607.6 //kj/kg
+r=25
+//CALCULATIONS
+pi=(p1*ph)^0.5
+m1=(3.5164*r)/(h1-h4)
+mh=m1*(h2-h3)/(h5-h1)
+poc=m1*(h2-h1)
+pohc=mh*(h6-h5)
+pr=poc+pohc
+re=h1-h4
+wi=(h2-h1)+(h6-h5)
+cop=re/wi
+//RESULTS
+printf('power of lp compressor is %2fkw',poc)
+printf('\npower of hp compressor is %2fkw',pohc)
+printf('\ntotal power required is %2fkw',pr)
+printf('\nrefrigerating effect is%2fkj/kg',re)
+printf('\ncoefficient of performance is %2f',cop)