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Pressure drop thru Screen

Pressure drop thru Screen

Pressure drop thru Screen

(OP)
I am trying to calculate the pressure drop through a screen member inside a pipe.  I have beed recommended to base it on a model of an orfice and to reference Cranes.  I was wondering if any one else might be able to a recommend a different model or might have some different references.

Thanks in advance.

RE: Pressure drop thru Screen

The ASHRAE Handbook of Fundamentals (or maybe one of the other handbooks) has data for screen flow with air.  It's been a while since I looked at it, but it is based on just percent open area.  IE, the mesh size doesn't enter into it, which implies it's based on orifice flow.

RE: Pressure drop thru Screen

Find a copy of "Handbook of Hydraulic Resistance," by I.E. Idelchik.  Chapter 8, "... Resistance Coefficients of Grids, Screens, Porous Layers, and Packings."  

RE: Pressure drop thru Screen

The Chemical Engineers' Handbook has an orifice -type equation too.  It's on page 5-37 in my 5th Edition.

Good luck,
Latexman

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