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Parallel plate channel with staggered ribs

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Old   May 28, 2019, 17:39
Lightbulb Parallel plate channel with staggered ribs
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Edoardo
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Hi everyone !

I am studying the turbulent flow in a parallel plate channel equipped with staggered ribs. The shape of the ribs is trapezoidal, but front and rear edges are rounded (see attachment).

I kindly ask you if someone could help me with some references that could indicate a correlation to compute Nu number in this particular geometry. All the refereces I've read are about square channel ( and not parallel plates ).



In particular, I've seen in the available Nu correlations for square channels I have to use hydraulic diameter, that for a parallel plate could be computed as 2H. May be a reasonable assumption?

Thank you for your attention

Last edited by edoardobrunetto; May 28, 2019 at 17:59. Reason: adding clarification
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Old   June 4, 2019, 17:33
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Santiago Lopez Castano
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Quote:
Originally Posted by edoardobrunetto View Post
Hi everyone !

I am studying the turbulent flow in a parallel plate channel equipped with staggered ribs. The shape of the ribs is trapezoidal, but front and rear edges are rounded (see attachment).

I kindly ask you if someone could help me with some references that could indicate a correlation to compute Nu number in this particular geometry. All the refereces I've read are about square channel ( and not parallel plates ).



In particular, I've seen in the available Nu correlations for square channels I have to use hydraulic diameter, that for a parallel plate could be computed as 2H. May be a reasonable assumption?

Thank you for your attention
Check a letter published by Foroozani et al. (2019) on Physics E. She has done some work on RBC with grooves.
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Old   June 5, 2019, 04:50
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Originally Posted by Santiago View Post
Check a letter published by Foroozani et al. (2019) on Physics E. She has done some work on RBC with grooves.
Thank you for your answer Santiago, but it's not the geometry I am looking for
I am still looking for a reference in which someone has did a similar study, in order to validate my results.
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