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Diffstat (limited to '3720/CH10/EX10.11/Ex10_11.sce')
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1 files changed, 15 insertions, 0 deletions
diff --git a/3720/CH10/EX10.11/Ex10_11.sce b/3720/CH10/EX10.11/Ex10_11.sce new file mode 100644 index 000000000..7d56fcd9d --- /dev/null +++ b/3720/CH10/EX10.11/Ex10_11.sce @@ -0,0 +1,15 @@ +// Example 10_11
+clc;clear;funcprot(0);
+//Given data
+T=19;// °C
+D=30/100;// Diameter in m
+x=30/100;// Length of the tunnel in m
+V_b=4.0;// Velocity at beginning in m/s
+nu=1.507*10^-5;// m^2/s
+
+// Calculation
+Re_x=(V_b*x)/nu;// Reynolds number
+delta=((1.72*x)/(sqrt(Re_x)))*10^3;// The displacement thickness at the end of the test section in mm
+R=D/2;// Radius of the tunnel in m
+V_end=(V_b*(%pi*R^2))/(%pi*(R-(delta/1000))^2);// The average air speed at the end of the test section in m/s
+printf('\nThe average air speed at the end of the test section=%0.2f m/s',V_end);
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