From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 51/CH7/EX7.5/7_5.sce | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100755 51/CH7/EX7.5/7_5.sce (limited to '51/CH7/EX7.5') diff --git a/51/CH7/EX7.5/7_5.sce b/51/CH7/EX7.5/7_5.sce new file mode 100755 index 000000000..c559c777d --- /dev/null +++ b/51/CH7/EX7.5/7_5.sce @@ -0,0 +1,24 @@ +clc; +clear; +D=0.1;//m +H=0.3;//m +v=50;//km/hr +Dm=20;//mm +T=20;//degree C +fm=49.9;//Hz ; frequency for the model +//f=func(D,H,V,d,vis) +//f=T^(-1); D=l; H=L; V=L*(T^(-1)); d=M*(L^(-3)); vis=M*(L^(-1))*(T^(-1)) +//by applying pi theorem, +//(f*D/V)=funct((D/H),(d*V*D/vis)) +//hence; Dm/Hm = D/H, dm*Vm*Dm/vism = d*V*D/vis, and (f*D/V)=(fm*Dm/Vm) +Hm=(Dm*H*1000/(D*1000));//mm +V=v*1000/3600;//m/s +vism=1/1000;//kg/(m*s) +vis=1.79/100000;//kg/(m*s) +d=1.23;//kg/(m^3) +dm=998;//kg/(m^3) +Vm=(vism*d*D*V*1000)/(vis*dm*Dm);//m/s +f=(V/Vm)*(Dm/(D*1000))*fm;//Hz +disp("mm",Hm,"The model dimension =") +disp("m/s",Vm,"The velocity at which the test should be performed=") +disp("Hz",f,"The predicted prototype vortex shredding frequency =") \ No newline at end of file -- cgit