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Old   April 6, 2006, 15:02
Default Pressure drop
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how can i find the pressure drop across a 2D tube?

Can i use the value given in the pressure contour plot to subtract or do i need to use surface integral to get the pressure?

Please advice
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Old   April 6, 2006, 17:27
Default Re: Pressure drop
Ravi Kumar Duggirala
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what are your BCs. If you are using Periodic BCs... then its pretty easy Let me know bye Ravi
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Old   April 7, 2006, 00:51
Default Re: Pressure drop
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I have velocity inlet and outflow

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Old   November 17, 2012, 09:50
Join Date: Sep 2011
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Kamu is on a distinguished road
Originally Posted by Ravi Kumar Duggirala
what are your BCs. If you are using Periodic BCs... then its pretty easy Let me know bye Ravi
Hello Ravi, I have periodic BCs and I can not figure out how to get the pressure drop. I tried dp/dz where z-is my streamwise direction the pressure drop I get is different from the pressure gradient in the periodic boundary conditions! After getting this pressure drop how do i use it to get my friction factor since it will be per meter
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