diff options
Diffstat (limited to '2015/CH8/EX8.12/8_12.sce')
| -rwxr-xr-x | 2015/CH8/EX8.12/8_12.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2015/CH8/EX8.12/8_12.sce b/2015/CH8/EX8.12/8_12.sce new file mode 100755 index 000000000..da60b8448 --- /dev/null +++ b/2015/CH8/EX8.12/8_12.sce @@ -0,0 +1,18 @@ +clc
+//initialisation of variables
+h1=178.73 //under -20 degrees in kj/kg
+h5=185.66 //under 5 degrees in kj/kg
+h3=79.71 //under 10.84 degrees in kj/kg
+h6=79.71 //under 10.84 degrees in kj/kg
+h4=79.71 //under 10.84 degrees in kj/kg
+h2=219.33 //kj/kg
+//CALCULATIONS
+m1=(7*211)/(h1-h4)
+mh=(5*211)/(h5-h4)
+h8=((m1*h1)+(mh*h5))/(m1+mh)
+poc=(m1+mh)*(h2-h8)
+cop=(12*211)/poc
+//RESULTS
+printf('power of compressor is %2fkj/min',poc)
+printf('\nrefrigerant flow rate is %2fkg/min',mh)
+printf('\ncoefficient of performance is %2f',cop)
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