diff options
Diffstat (limited to '3825/CH7/EX7.5/Ex7_5.sce')
| -rw-r--r-- | 3825/CH7/EX7.5/Ex7_5.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3825/CH7/EX7.5/Ex7_5.sce b/3825/CH7/EX7.5/Ex7_5.sce new file mode 100644 index 000000000..de265dff3 --- /dev/null +++ b/3825/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,17 @@ +clc
+TL=250
+TH=291
+COPR=TL/(TH-TL)
+mprintf("COPR=%f\n",COPR)//ans vary due to roundoff error
+QL=4*10^4
+W=QL/COPR
+mprintf("W=%fkJ/d\n",W)//ans vary due to roundoff error
+CW=200 //compressor work in watts
+mprintf("Fraction of time compressor runs=%f\n",W/((CW*3600*24)/1000))//ans vary due to roundoff error
+TH=310
+COPR=TL/(TH-TL)
+mprintf("COPR=%f\n",COPR)//ans vary due to roundoff error
+W=QL/COPR
+mprintf("W=%fkJ/d\n",W)//ans vary due to roundoff error
+mprintf("fraction of time the compressor runs=%f\n",W/((CW*3600*24)/1000))//ans vary due to roundoff error
+
|