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Forum: Main CFD Forum

May 25, 2011, 10:06

Replies: 5

Convection heat transfer & rugosity

Views: 1,539

Posted By Koranten

I am using FLUENT. The rugosity is set to zero...

I am using FLUENT. The rugosity is set to zero and I'm not sure this could have a real impact, and I cannot do any tests for the moment.

Forum: Main CFD Forum

May 25, 2011, 02:52

Replies: 5

Convection heat transfer & rugosity

Views: 1,539

Posted By Koranten

You're not helping, but I can help you. ...

You're not helping, but I can help you.

You just have to look a the definition of h, which is :

heat flux = h * DT (W/m²)

So :

h = heat flux / DT

Forum: Main CFD Forum

May 19, 2011, 03:26

Replies: 5

Convection heat transfer & rugosity

Views: 1,539

Posted By Koranten

Convection heat transfer & rugosity

Hello,

I would like to know if rugosity can have a significant impact on the value of the heat transfer convection coefficient ? My system is a long pipe in which I have free convection (Ra >...

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