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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /629/CH9/EX9.5/example9_5.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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Diffstat (limited to '629/CH9/EX9.5/example9_5.sce')
| -rw-r--r-- | 629/CH9/EX9.5/example9_5.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/629/CH9/EX9.5/example9_5.sce b/629/CH9/EX9.5/example9_5.sce new file mode 100644 index 000000000..752d1a219 --- /dev/null +++ b/629/CH9/EX9.5/example9_5.sce @@ -0,0 +1,26 @@ +clear
+clc
+//Example 9.5 TURBULENT BOUNDARY-LAYER PROPERTIES
+to=0.896; //[lbf/ft^3]
+rho=1.94; //[slugs/ft^3]
+uo=sqrt(to/rho) //shear velocity [ft/s]
+
+//Logarithmic velocity distribution
+y=0.0088; //[ft]
+v=1.22*10^-5; //[ft^2/s]
+uL=uo*(2.44*log(y*uo/v)+5.56) //velocity of water [ft/s]
+
+delta=0.088; //[ft]
+yn=y/delta //non-dimensional distance
+
+//velocity defect law
+//(Uo-u)/uo=8.2, from fig 9.11
+Uo=20; //[ft/s]
+ud=Uo-8.2*uo //velocity [ft/s]
+
+//Power-law formula
+up=Uo*yn^(1/7) //velocity [ft/s]
+printf("\nThe velocity of water as determined by\n(a)Logarithmic velocity distribution = %.1f ft.\n(b)Velocity defect law = %.1f ft.\n(c)Power-law formula = %.2f ft.\n\n",uL,ud,up)
+
+deltaN=(11.84*v/uo)*12*10^3 //nominal thickness in 10^-3 inches
+printf("\nThe nominal thickness of the viscous sublayer = %.2f*10^(-3) inches.\n",deltaN)
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