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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 /530/CH6/EX6.2 | |
| 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 '530/CH6/EX6.2')
| -rwxr-xr-x | 530/CH6/EX6.2/example_6_2.sce | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/530/CH6/EX6.2/example_6_2.sce b/530/CH6/EX6.2/example_6_2.sce new file mode 100755 index 000000000..b3c62df32 --- /dev/null +++ b/530/CH6/EX6.2/example_6_2.sce @@ -0,0 +1,41 @@ +clear;
+clc;
+
+// A Textbook on HEAT TRANSFER by S P SUKHATME
+// Chapter 6
+// Heat Transfer by Natural Convection
+
+
+// Example 6.2
+// Page 259
+printf("Example 6.2, Page 259 \n \n");
+
+Tm = 150 ; // [degree C]
+// From table A.2
+v = 28.95*10^-6 ; // [m^2/s]
+Pr = 0.683;
+k = 0.0357 ; // [W/m K]
+
+B = 1/(273+Tm); // [K^-1]
+
+// from eqn 6.2.30
+printf("Equation 6.2.30 \n h = k/L*0.59*[9.81*B*(Tw-Tinf)*(L^3)*0.683/(v^2)]^(1/4)\n")
+// h = k/L*0.59*[9.81*B*(Tw-Tinf)*(L^3)*0.683/(v^2)]^(1/4);
+// simplifying we get
+// h = 1.38*[(Tw-Tinf)/L]^(1/4)
+printf("Reduces to h = 1.38*[(Tw-Tinf)/L]^(1/4) \n")
+
+
+// From eqn 6.2.33
+// h*L/k = 0.10*[9.81*B*(Tw-Tinf)*(L^3)*0.683/(v^2)]^(1/3);
+printf("Equation 6.2.33 \n h*L/k = 0.10*[9.81*B*(Tw-Tinf)*(L^3)*0.683/(v^2)]^(1/3) \n");
+// simplifying
+// h = 0.95*(Tw-Tinf)^1/3
+printf("Reduces to h = 0.95*(Tw-Tinf)^1/3 \n");
+
+printf("where h is expressed in W/m^2 K, (Tw-Tinf) in C and L in metres \n");
+
+
+
+
+
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