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Defining flow resistivity of an interior perforate plate

Posted 08.09.2015, 04:52 GMT-4 Acoustics & Vibrations Version 5.1 3 Replies

Idan Chazan
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Hi there

I am running simulations on a wind tunnel with micro mesh plates around the test rig. I am trying to find the appropriate parameter for the flow resistivity but I am having trouble finding an appropriate definition that matches the one in COMSOL.

Do you have any advice as to how one can determine this value?

Regards,

Idan
3 Replies Last Post 21.02.2016, 03:24 GMT-5
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Hello Idan Chazan

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Jing Li
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Posted: 9 years ago 20.02.2016, 08:31 GMT-5
I have the same problem.
I have the same problem.
Jing Li
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Posted: 9 years ago 20.02.2016, 08:55 GMT-5
From an article from comsol conference theta.f=0.5*M/sigma.
M for meanflow mach number and sigma is the porosity.
Wish this be helpful.
From an article from comsol conference theta.f=0.5*M/sigma. M for meanflow mach number and sigma is the porosity. Wish this be helpful.
Idan Chazan
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Posted: 9 years ago 21.02.2016, 03:24 GMT-5
Thank you Jing Li!

Will give it a try.

All the best
Thank you Jing Li! Will give it a try. All the best

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