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what is Reynolds number in my case, help please

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Old   October 7, 2012, 12:02
Default what is Reynolds number in my case, help please
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Re=density*velocity*dia/ viscocity fluid is air , dia=1m , velocity is 40m/s


Viscosity for air got 1.7894e-5 kg/ms density= 1.225 Kg/m3



I want to simulate air at 40m/s flow past a 2D cylinder.
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Old   October 7, 2012, 13:49
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Re.No= 1.225*40*1/(1.789*10^-5)= 2.738*10^6
this is so simple....what's the issue?
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Old   October 7, 2012, 14:49
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Quote:
Originally Posted by cfd seeker View Post
Re.No= 1.225*40*1/(1.789*10^-5)= 2.738*10^6
this is so simple....what's the issue?


Thanks . I was just confuse, i havent imagine such a huge value of reynolds number ,i am dealing with.
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