diff options
Diffstat (limited to '2066/CH9/EX9.2.c/9_2c.sce')
-rwxr-xr-x | 2066/CH9/EX9.2.c/9_2c.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2066/CH9/EX9.2.c/9_2c.sce b/2066/CH9/EX9.2.c/9_2c.sce new file mode 100755 index 000000000..8c7d0b1f0 --- /dev/null +++ b/2066/CH9/EX9.2.c/9_2c.sce @@ -0,0 +1,19 @@ +clc
+clear
+//Initialization of variables
+e=0.01 //ft
+rho=2 //slugs/ft^3
+mu=2.6e-5 //lb sec/ft^2
+speed=10 //knots
+L=250 //ft
+A=30000 //ft^2
+//calculations
+V=speed*1.69
+Nrl=V*L*rho/mu
+Cdf=1/(1.89 + 1.62*log10(L/e))^(2.5)
+Fd=Cdf*A*0.5*rho*V^2
+hp=Fd*V/550
+//results
+printf("Total frictional drag = %d lb",Fd)
+printf("\n Horsepower required = %.1f hp",hp)
+
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