diff options
| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1775/CH6/EX6.5/Chapter6_Example5.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1775/CH6/EX6.5/Chapter6_Example5.sce')
| -rwxr-xr-x | 1775/CH6/EX6.5/Chapter6_Example5.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/1775/CH6/EX6.5/Chapter6_Example5.sce b/1775/CH6/EX6.5/Chapter6_Example5.sce new file mode 100755 index 000000000..abfbbad8e --- /dev/null +++ b/1775/CH6/EX6.5/Chapter6_Example5.sce @@ -0,0 +1,30 @@ +//Chapter-6, Illustration 5, Page 311
+//Title: Refrigeration cycles
+//=============================================================================
+clc
+clear
+
+//INPUT DATA
+T2=40;//Temperature at point 2 in oC
+T1=-10;//Temperature at point 1 in oC
+h2=367.155;//Enthalpy at point 2 from refrigerant-12 tables in kJ/kg
+s2=1.54057;//Entropy at point 2 from refrigerant-12 tables in kJ/kg-K
+s1=1.54057;//Entropy at point 1 from refrigerant-12 tables in kJ/kg-K
+sg=1.56004;//Entropy from refrigerant-12 tables in kJ/kg-K
+sf=0.96601;//Entropy from refrigerant-12 tables in kJ/kg-K
+hf=190.822;//Enthalpy from refrigerant-12 tables in kJ/kg-K
+hfg=156.319;//Enthalpy from refrigerant-12 tables in kJ/kg-K
+h3=238.533;//Enthalpy at point 3 from refrigerant-12 tables in kJ/kg-K
+h4=h3;//Enthalpy at point 4 from refrigerant-12 tables in kJ/kg-K
+
+//CALCULATIONS
+x1=(s1-sf)/(sg-sf);//Quality factor
+h1=hf+(x1*hfg);//Enthalpy at point 1 from refrigerant-12 tables in kJ/kg
+COP=(h1-h4)/(h2-h1);//Co-efficient of performance
+
+//OUTPUT
+mprintf('COP of the system is %3.2f',COP)
+
+
+
+//==============================END OF PROGRAM=================================
|