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author | priyanka | 2015-06-24 15:03:17 +0530 |
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committer | priyanka | 2015-06-24 15:03:17 +0530 |
commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2090/CH2/EX2.10 | |
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Diffstat (limited to '2090/CH2/EX2.10')
-rwxr-xr-x | 2090/CH2/EX2.10/Chapter2_example10.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/2090/CH2/EX2.10/Chapter2_example10.sce b/2090/CH2/EX2.10/Chapter2_example10.sce new file mode 100755 index 000000000..71ee14072 --- /dev/null +++ b/2090/CH2/EX2.10/Chapter2_example10.sce @@ -0,0 +1,26 @@ +clc
+clear
+//Input data
+p1=1//Inlet pressure in bar
+T1=27+273//Temperature in K
+p2=4//pressure at point 2 in bar
+p3=16//Maximum pressure in bar
+Cv=0.573//specific heat at constant volume for gas in kJ/kgK
+Cp=0.761//specific heat at constant pressure for gas in kJ/kgK
+
+//Calculations
+g=(Cp/Cv)//Adiabatic index
+T2=(T1*(p2/p1)^((g-1)/g))//Temperature in K
+T3=(p3/p2)*T2//Temperature in K
+T4=T3*(p1/p3)^((g-1)/g)//Temperature in K
+Q1=Cv*(T3-T2)//Heat supplied in kJ/kg
+Q2=Cp*(T4-T1)//Heat rejected in kJ/kg
+W=Q1-Q2//Workdone in kJ/kg
+n=(W/Q1)*100//Efficiency of cycle
+r=(p2/p1)^(1/g)//Compression ratio
+R=(Cp-Cv)//Universal gas constant in kJ/kg.K
+Vs=(R*1000*T1*(r-1))/(p1*10^5*r)//Swept volume in m^3/kg
+pm=(W/(Vs*100))//Mean effective pressure in bar
+
+//Output
+printf('(a) The work done per kg of gas is %3.1f kJ/kg \n (b) The efficiency of the cycle is %3.1f percent \n (c) Mean effective pressure is %3.2f bar',W,n,pm)
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