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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 /965/CH7/EX7.19/19.sci | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '965/CH7/EX7.19/19.sci')
| -rw-r--r-- | 965/CH7/EX7.19/19.sci | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/965/CH7/EX7.19/19.sci b/965/CH7/EX7.19/19.sci new file mode 100644 index 000000000..b2e0289e9 --- /dev/null +++ b/965/CH7/EX7.19/19.sci @@ -0,0 +1,22 @@ +clc;
+clear all;
+disp("skin friction coefficient")
+Ta=30;// degree C
+U=1.8;//m/s
+L=0.75;//m
+rho=1.165;// kg/m^3
+v=16*10^(-6);//m^2/s
+mu=6.717*10^(-6);//kg/hm
+Re=U*L/v;
+Cf=1.328/Re^0.5;
+disp(Cf,"Average skin friction Cf =")
+tau=0.5*rho*U^2*Cf;
+disp("N/m^2",tau,"Average shear stress Tau =")
+
+Cfx=0.664/Re^0.5;
+disp(Cfx," skin friction coefficient at the trailing edge, Cf =")
+taux=0.5*rho*U^2*Cfx;
+R=tau/taux;
+
+disp(R,"Ratio of average shear stress to the shear stress at the trailing edge R =")
+
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