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Diffstat (limited to '2507/CH10/EX10.11')
-rwxr-xr-x | 2507/CH10/EX10.11/Ex10_11.sce | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/2507/CH10/EX10.11/Ex10_11.sce b/2507/CH10/EX10.11/Ex10_11.sce new file mode 100755 index 000000000..9e3d63eb6 --- /dev/null +++ b/2507/CH10/EX10.11/Ex10_11.sce @@ -0,0 +1,29 @@ +clc
+clear
+printf("Example 10.11 | Page number 360 \n\n");
+//Find the heat rejected from steam
+//Given data
+p1 = 2 //bar
+v1 = 0.624 //m^3/kg
+t = 120.23 //°C
+m = 0.16 //kg
+//Solution
+vf = 0.001061 //m^3/kg
+vg = 0.8857 //m^3/kg
+x1 = (v1-vf)/(vg-vf) //Dryness fraction
+hf = 504.68 //kJ/kg
+hg = 2706.6 //kJ/kg
+h1 = (1-x1)*hf + x1*hg //kJ/kg
+u1 = h1 - p1*v1*100//kJ/kg
+
+v2 = v1 //m^3/kg
+vf = 0.001044 //m^3/kg
+vg = 1.673 //m^3/kg
+x2 = (v1-vf)/(vg-vf) //Dryness fraction
+hf = 419 //kJ/kg
+hg = 2676 //kJ/kg
+h2 = (1-x2)*hf + x2*hg //kJ/kg
+p2 = 1.010325 //bar
+u2 = h2 - p2*v2*100 //kJ/kg
+
+printf("Heat rejected from steam = %.1f kJ",m*(u2-u1))
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