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Diffstat (limited to '2969/CH4/EX4.24/Ex4_24.sce')
| -rwxr-xr-x | 2969/CH4/EX4.24/Ex4_24.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/2969/CH4/EX4.24/Ex4_24.sce b/2969/CH4/EX4.24/Ex4_24.sce new file mode 100755 index 000000000..03f04c1cc --- /dev/null +++ b/2969/CH4/EX4.24/Ex4_24.sce @@ -0,0 +1,22 @@ +clc
+clear
+//DATA GIVEN
+p=1.1; //pressure of steam in bar
+x=0.95; //dryness fraction
+Mwt=90; //mass of water in the tank in kg
+t1=25; //initial temp. in deg. celsius
+Mt=12.5; //mass of tank in kg
+c=0.42; //specific heat of metal in kJ/kgK
+t2=40; //final temp. in deg. celsius
+
+m1=Mwt;
+m2=Mt*c; //water equivalent of vessel
+M=m1+m2; //total mass of water in kg
+//At 1.1 bar, from steam tables
+hf=428.8; //in kJ/kg
+hfg=2250.8; //in kJ/kg
+//heat lost by steam = heat gained by water
+//Ms[(hf+xhfg)-1*4.18*(t2-0)]=M[1*4.18*(t2-t1)]
+Ms=M*[1*4.18*(t2-t1)]/[(hf+x*hfg)-1*4.18*(t2-0)]; //mass of steam condensed in kg
+
+printf(' The Mass of steam condensed, Ms is: %1.3f kg.',Ms);
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