diff options
Diffstat (limited to '965/CH7/EX7.9/9.sci')
-rw-r--r-- | 965/CH7/EX7.9/9.sci | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/965/CH7/EX7.9/9.sci b/965/CH7/EX7.9/9.sci new file mode 100644 index 000000000..0803b6a6d --- /dev/null +++ b/965/CH7/EX7.9/9.sci @@ -0,0 +1,23 @@ +clc;
+clear all;
+disp("Laminar flow over plate")
+
+L=0.5;//m plate length
+w=0.6;//m plate width
+U=4;//m/s velocity of air
+rho=1.24;//kg/m^3 density of air
+v=1.5*10^(-5);//m^2/s kinematic viscosity of air
+
+ReL=U*L/v;// Reynold's number
+delta=4.795*L*1000/(Re)^0.5;//mm
+disp("mm",delta,"Boundary layer thickness =")
+x=0.25;
+Re=U*x/v;// Reynold's number
+Cfx=0.654/(Re)^0.5;
+disp(Cfx,"drag coefficient =")
+tau=Cfx*0.5*rho*U^2;// shear stress
+disp("N/m^2",tau,"Shear stress at 250 mm from leading edge, =")
+Cf=1.31/(ReL)^0.5;
+A=L*w;//m^2 area of plate
+Fd=Cf*0.5*rho*A*U^2;
+disp("N",Fd,"drag force on one side of plate, =")
|