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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3720/CH10/EX10.12 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3720/CH10/EX10.12')
| -rw-r--r-- | 3720/CH10/EX10.12/Ex10_12.sce | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/3720/CH10/EX10.12/Ex10_12.sce b/3720/CH10/EX10.12/Ex10_12.sce new file mode 100644 index 000000000..93ce9eb47 --- /dev/null +++ b/3720/CH10/EX10.12/Ex10_12.sce @@ -0,0 +1,34 @@ +// Example 10_12
+clc;clear;funcprot(0);
+//Given data
+V=10.0;// m/s
+L=1.52;// m
+
+//Properties
+nu=1.516*10^-5;// m^2/s
+
+//Calculation
+//(a)
+x=L;// m
+Re_x=(V*x)/nu;// Reynolds number
+L=L*1000;// mm
+x=[0,L];// mm
+
+//For laminar case
+for(i=1:2)
+del_laminar(i)=(4.91*x(i))/sqrt(Re_x);// mm
+del_turbulenta(i)=(0.16*x(i))/(Re_x)^(1/7);// mm
+del_turbulentb(i)=(0.38*x(i))/(Re_x)^(1/5);// mm
+end
+xlabel('x,m');
+ylabel('delta,mm');
+x=x/1000;
+plot(x,del_laminar,'b',x,del_turbulenta,'r',x,del_turbulentb,'g');
+legend(['Laminar','Turbulent(a)','Turbulent(b)'],"in_upper_left");
+//(b)
+// For laminar boundary layer,
+C_fxl=0.664/sqrt(Re_x);
+// For turbulent boundary layer,
+C_fxt=0.027/(Re_x)^(1/7);
+printf('\nThe laminar boundary layer thickness at this same x-location=%0.2f mm \nThe turbulent boundary layer thickness at this same x-location=%0.1f mm \nThe local skin friction coefficient for the laminar boundary layer=%0.2e \nThe local skin friction coefficient for the turbulent boundary layer=%0.1e',del_laminar(2),del_turbulenta(2),C_fxl,C_fxt);
+// The answer vary due to round off error
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