diff options
Diffstat (limited to '1457/CH10/EX10.3')
| -rwxr-xr-x | 1457/CH10/EX10.3/10_3.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/1457/CH10/EX10.3/10_3.sce b/1457/CH10/EX10.3/10_3.sce new file mode 100755 index 000000000..4503611f2 --- /dev/null +++ b/1457/CH10/EX10.3/10_3.sce @@ -0,0 +1,20 @@ +clc
+//Initialization of variables
+nu=0.0000166 //ft^2 /s
+U=5.06 //fps
+L=50 //ft
+g=32.2
+dia=10 //ft
+//calculations
+R=L*U/nu
+Cf=0.0028
+Ff=Cf*64/g *U^2 /2 *%pi*dia*L
+Rx=R/L
+ec=26*nu/U *Rx^(0.25)
+Rx2=Rx*L/2
+T02=0.0587*U^2 /2 /(Rx2)^(0.2)
+delta2=60*nu/sqrt(T02)
+//results
+printf("Friction drag = %d lb",Ff)
+printf("\n Critical roughness = %.4f ft",ec)
+printf("\n height of roughness = %.4f ft",delta2)
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