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porous inertial resistance

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Old   September 11, 2009, 11:45
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I neednīt the heat exchanger tool, because Iīm not interested in heat transfer. For me is only the velocity relevant for analyzing the flow induced tube vibration.
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Old   March 7, 2012, 03:05
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Originally Posted by Lukas View Post
I calculated the pressure drop with equations from the VDI heat atlas.
The porous inertial resistance can be calculated like this:

Pi = dp/dl * 1/vē
Hi Lucas,

where did you find this equation in the VDI heat atlas? Maybe you can give me the name of the section e.g. Fa3

Best Regards,
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