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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/CH3/EX3.33 | |
| 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/CH3/EX3.33')
| -rwxr-xr-x | 1073/CH3/EX3.33/3_33.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1073/CH3/EX3.33/3_33.sce b/1073/CH3/EX3.33/3_33.sce new file mode 100755 index 000000000..9735551d9 --- /dev/null +++ b/1073/CH3/EX3.33/3_33.sce @@ -0,0 +1,19 @@ +clc;
+clear;
+//Example 3.33
+k=0.03406 //[W/(m/K)]
+Beta=2.47*10^-3 //K^-1
+Npr=0.687 //Prandtl number
+v=26.54*10^-6 //m^2/s
+g=9.81 //[m/s^2]
+Tw=523 //[K]
+T_inf=288 //[K]
+dT=Tw-T_inf //[K]
+D=0.3048 //[m]
+Ngr=(g*Beta*dT*(D^3))/(v^2) //Grashof number
+Nra=Ngr*Npr
+//For Nra less than 10^9,we have for horizontal cylinder
+Nnu=0.53*(Nra^(1.0/4.0)) //Nusselt number
+h=Nnu*k/D //[W/sq m.K]
+Q_by_l=h*%pi*D*dT; //W/m
+printf("Heat loss of heat transfer per meter lengh is %f W/m",Q_by_l);
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