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/EX10.8/10_8.sce | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 2063/CH10/EX10.8/10_8.sce

(limited to '2063/CH10/EX10.8/10_8.sce')

diff --git a/2063/CH10/EX10.8/10_8.sce b/2063/CH10/EX10.8/10_8.sce
new file mode 100755
index 000000000..95413e54c
--- /dev/null
+++ b/2063/CH10/EX10.8/10_8.sce
@@ -0,0 +1,31 @@
+clc
+clear
+//Input data
+T1=263;//Minimum temperature at which Vapour compression refrigerator using methyl chloride operates in K
+T2=318;//Maximum temperature at which Vapour compression refrigerator using methyl chloride operates in K
+sf1=0.183;//Entropy of the liquid in kJ/kg K
+hfg1=460.7;//Enthalpy of the liquid in kJ/kg
+sf2=0.485;//Entropy of the liquid in kJ/kg K
+hfg2=483.6;//Enthalpy of the liquid in kJ/kg
+x2=0.95;//Dryness fraction at point 2
+hf3=133.0;//Enthalpy of the liquid in kJ/kg
+W=3600;//Work to be spent corresponding to 1kW/hour
+Cw=4.187;//Specific heat of water in kJ/kg degrees celcius
+mi=1;//Mass of ice produced at 0 degrees celcius
+Li=335;//Latent heat of ice in kJ/kg
+hf1=45.4;//Enthalpy of liquid at 263 K in kJ/kg
+hf2=133;//Enthalpy of liquid at 318 K in kJ/kg
+
+//Calculations
+s2=sf2+((x2*(hfg2-hf2))/T2);//Enthalpy at point 2 in kJ/kg
+x1=(s2-sf1)/((hfg1-hf1)/T1);//Dryness fraction at point 1
+h1=hf1+(x1*hfg1);//Enthalpy at point 1 in kJ/kg
+h2=hf2+(x2*hfg2);//Enthalpy at point 2 in kJ/kg
+COP=(h1-hf3)/(h2-h1);//Theoretical COP
+COPa=0.6*COP;//Actual COP which is 60 percent of theoretical COP
+H=W*COPa;//Heat extracted or refrigeration effect produced per kW hour in kJ
+Hw=(mi*Cw*10)+Li;//Heat extracted from water at 10 degrees celcius for the formation of 1 kg of ice at 0 degrees celcius
+I=H/Hw;//Amount of ice produced in kg/kW hr
+
+//Output
+printf('The amount of ice produced is %3.2f kg/kW hr',I)
-- 
cgit