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lagrangian+injection model

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Old   May 24, 2017, 13:17
Default lagrangian+injection model
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abdollahi
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Hello
I'm new in "lagrangian", I use injection model in my simulation. What is "alpha" in calculating flow rate?

% matlab/octave calculation of flow rate
alpha=0.1
U=20
A=0.01^2
Q=U*A
d=650e-6
v=(4/3)*pi*(d/2)^3
n=1
rate=alpha*Q/(v*n)


thanks
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