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Boundary conditions - wall sizing

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Old   August 18, 2013, 08:43
Question Boundary conditions - wall sizing
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Quentin
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Hi all,

When adding thickness to a wall in the boundary conditions, in which direction is the "thickness" added to a boundary?

I have two flows seperated by a wall which I wish to add thickness to. However I need to know in which direction the wall thickness is added in order for me to calculate the correct hydraulic diameter.

Any help is much appreacited.

Thanks in advance.
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Old   August 18, 2013, 09:01
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The thickness does not affect the hydraulic diameter.
It only affects the conductive heat transfer properties of the wall.
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Old   August 18, 2013, 09:09
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Thank you flotus!
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