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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1073/CH2/EX2.23 | |
| 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 '1073/CH2/EX2.23')
| -rwxr-xr-x | 1073/CH2/EX2.23/2_23.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1073/CH2/EX2.23/2_23.sce b/1073/CH2/EX2.23/2_23.sce new file mode 100755 index 000000000..c8dd64665 --- /dev/null +++ b/1073/CH2/EX2.23/2_23.sce @@ -0,0 +1,21 @@ +clc;
+//Example 2.23
+T1=913 //[K]
+T=513 //[K]
+T2=313 //[K]
+//Q=(T1-T)/(x/(k*A))
+//Q=(T-T2)/(1/(h*A))
+//x=2k/h
+//Q=(T1-T2)/(x/(kA)+1/(h*A))
+//Therefore,Q=hA/3*(T1-T2)
+//With increase in thickness(100%)
+//x1=4*k/h
+//Q2=(T1-T2)/(x1/k*A+1/(h*A))
+//Q2=(h*A)/5)*(T1-T2)
+//Now
+h=1; //Assume
+A=1; //Assume for calculation
+Q1=(h*A/3)*(T1-T2)
+Q2=((h*A)/5)*(T1-T2)
+percent=(Q1-Q2)*100/Q1 //Percent reduction in heat loss
+printf("\nTherefore,Percentage reduction in heat loss is %d percent",percent);
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