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Diffstat (limited to '629/CH8/EX8.9/example8_9.sce')
| -rw-r--r-- | 629/CH8/EX8.9/example8_9.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/629/CH8/EX8.9/example8_9.sce b/629/CH8/EX8.9/example8_9.sce new file mode 100644 index 000000000..d98e2c7b1 --- /dev/null +++ b/629/CH8/EX8.9/example8_9.sce @@ -0,0 +1,19 @@ +clear
+clc
+//Example 8.9 MODEL TESTS FOR DRAG FORCE ON AN AUTOMOBILE
+c=1235; //[km/hr]
+//Vm*Lm/vm=Vp*Lp/vp, vm=vp
+Lp=0.4; //[m]
+Lm=0.4; //[m]
+Vp=100; //[km/hr]
+Vm=Vp*Lp/Lm //[km/hr]
+//Mach number
+Mm=Vm/c
+//Mm is too high for test models and results in unwanted compressibility effects.
+mu=1.51*10^-5; //[m^2/s]
+Rep=Vp*0.278*Lp/mu
+//CFm=CFp, if Rem>=10^5
+Rem=10^5;
+//Wind tunnel speed
+Vm=Rem*mu/Lm //[m/s]
+printf("\n The minimum required wind tunnel speed = %.1f m/s.\n",Vm)
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