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Diffstat (limited to '1808/CH6/EX6.13/Chapter6_Exampl13.sce')
-rw-r--r-- | 1808/CH6/EX6.13/Chapter6_Exampl13.sce | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/1808/CH6/EX6.13/Chapter6_Exampl13.sce b/1808/CH6/EX6.13/Chapter6_Exampl13.sce new file mode 100644 index 000000000..54bee5b1a --- /dev/null +++ b/1808/CH6/EX6.13/Chapter6_Exampl13.sce @@ -0,0 +1,40 @@ +clc
+clear
+//INPUT DATA
+cpv=2.805;//specific pressure in kJ/kg K
+cp1=4.606;//specific pressure in kJ/kg K
+p1=10.01;//pressure in MPa
+p2=1.2;//pressure in MPa
+hf1=298.9;//enthalpy in kJ/kg
+hf2=44.7;//enthalpy in kJ/kg
+hg1=1466;//enthalpy in kJ/kg
+hg2=1406;//enthalpy in kJ/kg
+sf1=1.124;//entropy in kJ/kgK
+sf2=0.188;//entropy in kJ/kgK
+sg1=5.039;//entropy in kJ/kgK
+sg2=5.785;//entropy in kJ/kgK
+vf1=0.128;//volume in m^3/kg
+vf2=0.963;//volume in m^3/kg
+t1=253;//temperature in K
+t11=243.42;//temperature in K
+t21=298;//temperature in K
+t2=404.78;//temperature in K
+t3=293;//temperature in K
+
+//CALCULATIONS
+s1=sg2+cpv*log(t1/t11);//entropy in kJ/kg K
+h1=hg2+cpv*(t1-t11);//enthalpy in kJ/kg
+h2=hg1+cpv*(t2-t21);//enthalpy in kJ/kg
+h3=hf1+cp1*(t21-t3);//enthalpy in kJ/kg
+cop=((h1-h3)/(h2-h1));//COP of the system
+P=1.5*210/(cop*60);//Power of the motor in kW
+
+//OUTPUT
+printf('(a)COP is %3.2f \n (b)Power of the motor is %3.3f kW',cop,P)
+
+
+
+
+
+
+
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