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-   -   flow resistance of cylinder in parallel flow (http://www.cfd-online.com/Forums/main/64373-flow-resistance-cylinder-parallel-flow.html)

Ralf Schmidt May 8, 2009 16:01

flow resistance of cylinder in parallel flow
 
Hi!

I am looking for literature data for the flow resistance (and heat transfer) of a number of parallel aligned finite length cylinder in turbulent axial flow.

It is something like a rod bundle. I need the resistance of the inflow (around the top surfaces), the parallel flow and the outflow (around the back surface).

Thank you!!
Ralf


gas flow
.
.
.
.
V
=>... Length L
=> ________
=> I________I ...... Diameter D
=>
=> ________....... Distance A
=> I________I
=>
=> ________
=> I________I
=>
=> ________
=> I________I
=>

Rami May 10, 2009 05:31

Have a look in Zukauskas book "Tube Banks in Crossflow" or in his chapter in "Advances in Heat Transfer" 1987.

Ralf Schmidt May 10, 2009 12:06

1 Attachment(s)
Hi!

as i understood, this is about cylinder in cross flow.

But i need data for cylinder(s) in axial flow!

Especially for a larger number of them (something like 100-500), aligned axis-parallel, depending on the cylinder diameter, the length and the distance between them.

The data should include the edges of the cylinder...

Thanks..
Ralf

Rami May 11, 2009 02:26

Sorry, I missed the point that the flow is parallel to the cylinders...


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