diff options
Diffstat (limited to '389/CH3/EX3.2/Example3_2.sce')
-rwxr-xr-x | 389/CH3/EX3.2/Example3_2.sce | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/389/CH3/EX3.2/Example3_2.sce b/389/CH3/EX3.2/Example3_2.sce new file mode 100755 index 000000000..08a57fc8b --- /dev/null +++ b/389/CH3/EX3.2/Example3_2.sce @@ -0,0 +1,32 @@ +clear;
+clc;
+
+// Illustration 3.2
+// Page: 56
+
+printf('Illustration 3.2 - Page: 56\n\n');
+
+// solution
+
+//***Data****//
+d = 0.025;// [m]
+avg_velocity = 3;// [m/s]
+viscosity = 8.937*10^(-4);// [kg/m.s]
+density = 997;// [kg/m^3]
+//*********//
+
+kinematic_viscosity = viscosity/density;// [square m/s]
+Re = d*avg_velocity*density/viscosity;
+// Reynold's number comes out to be 83670
+// At this Reynold's number fanning factor = 0.0047
+f = 0.0047;
+L = 1;// [m]
+press_drop = 2*density*f*L*(avg_velocity^2)/(d);// [N/square m]
+P = 3.141*(d^2)*avg_velocity*press_drop/4;// [N.m/s] for 1m pipe
+m = 3.141*(d^2)*L*density/4;
+// From Eqn. 3.24
+Ld = ((kinematic_viscosity^3)*m/P)^(1/4);// [m]
+// From Eqn. 3.25
+Ud = (kinematic_viscosity*P/m)^(1/4);// [m/s]
+printf('Velocity of small eddies is %f m/s\n',Ud);
+printf('Length scale of small eddies is %e m',Ld);
\ No newline at end of file |