From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2063/CH10/EX10.5/10_5.sce | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100755 2063/CH10/EX10.5/10_5.sce

(limited to '2063/CH10/EX10.5')

diff --git a/2063/CH10/EX10.5/10_5.sce b/2063/CH10/EX10.5/10_5.sce
new file mode 100755
index 000000000..63b2ca755
--- /dev/null
+++ b/2063/CH10/EX10.5/10_5.sce
@@ -0,0 +1,22 @@
+clc
+clear
+//Input data
+T2=298;//Maximum temperature at which CO2 machine works in K
+T1=268;//Minimum temperature at which CO2 machine works in K
+sf1=-0.042;//Liquid entropy at 268 K in kJ/kg K
+hfg1=245.3;//Latent heat of gas at 268 K in kJ/kg
+sf2=0.251;//Liquid entropy in kJ/kg K
+hfg2=121.4;//Latent heat of gas at 298 K in kJ/kg
+hf1=-7.54;//Liquid enthalpy at 268 K in kJ/kg
+hf2=81.3;//Liquid enthalpy at 298 K in kJ/kg
+hf3=81.3;//Enthalpy at point 3 in graph in kJ/kg
+
+//Calculations
+s2=sf2+(hfg2/T2);//Entropy at point 2 from the graph in kJ/kg K
+x1=(s2-sf1)/(hfg1/T1);//Dryness fraction at point 1
+h1=hf1+(x1*hfg1);//Enthalpy at point 1 in kJ/kg
+h2=hf2+hfg2;//Enthalpy at point 2 in kJ/kg
+COP=(h1-hf3)/(h2-h1);//Coefficient of performance for a CO2 machine working at given temperatures
+
+//Output data
+printf('Theoretical COP for a CO2 machine working at given temperatures is %3.2f',COP)
-- 
cgit