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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 /914/CH13/EX13.9/ex13_9.sce | |
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initial commit / add all books
Diffstat (limited to '914/CH13/EX13.9/ex13_9.sce')
| -rwxr-xr-x | 914/CH13/EX13.9/ex13_9.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/914/CH13/EX13.9/ex13_9.sce b/914/CH13/EX13.9/ex13_9.sce new file mode 100755 index 000000000..40627205a --- /dev/null +++ b/914/CH13/EX13.9/ex13_9.sce @@ -0,0 +1,20 @@ +clc;
+warning("off");
+printf("\n\n example 13_9 - pg700");
+// given
+p=2050; //[kg/m^3] - density of soil
+cp=1840; //[J/kg*K] - heat cpapacity of soil
+k=0.52; //[W/m*K] - thermal conductivity of soil
+alpha=0.138*10^-6; //[m^2/sec]
+t=4*30*24*3600; //[sec] - no. of seconds in 4 months
+Tx=-5; //[degC]
+Tinf=-20; //[degC]
+T0=20; //[degC]
+// from the fig 13.24 the dimensionless distance Z is
+Z=0.46;
+// then the depth is
+x=2*((alpha*t)^(1/2))*Z
+printf("\n\n the depth is \n x = %f m = %f ft",x,x*(3.6/1.10));
+
+
+
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