Flow Through an axial fan

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hooshsim
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Joined: Mon Nov 05, 2018 7:40 pm

Flow Through an axial fan

Post by hooshsim »

Does the CFDoF workbench have options for analyzing flows through rotating machineries such as axial fans? I’m interested in predicting torque and pressure rise across the fan.
Thanks
chrisb
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Re: Flow Through an axial fan

Post by chrisb »

Moved from Help forum.
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NewJoker
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Re: Flow Through an axial fan

Post by NewJoker »

Check this thread: viewtopic.php?t=69114
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Raedchen_im_System
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Re: Flow Through an axial fan

Post by Raedchen_im_System »

I recorded a tutorial about the simulation of a wind turbine. You can find the tutorial here: https://youtu.be/Q10MbSFEiEM

This solution is a simple solution, a "high end" solution would be to use a rotating mesh with Arbitrary Mesh Interface (AMI). This solution is not supported by the current version of FreeCad CfdOf.
hooshsim
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Re: Flow Through an axial fan

Post by hooshsim »

Thanks Raedchen. Great job!
hooshsim
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Re: Flow Through an axial fan

Post by hooshsim »

Raedchen_im_System wrote: Mon Mar 06, 2023 11:19 pm I recorded a tutorial about the simulation of a wind turbine. You can find the tutorial here: https://youtu.be/Q10MbSFEiEM

This solution is a simple solution, a "high end" solution would be to use a rotating mesh with Arbitrary Mesh Interface (AMI). This solution is not supported by the current version of FreeCad CfdOf.
Is there any other option to run the fan model in order to get a high end solution? I’m very interested in getting a decent solution to my model.
agar
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Re: Flow Through an axial fan

Post by agar »

A fan can not be modeled with just rotating wall. Maybe a tesla turbine not a fan.
You need at least MRF (as far as I know not supported with cfdof). I find youtube tutorial misleading
hooshsim
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Re: Flow Through an axial fan

Post by hooshsim »

agar wrote: Thu May 18, 2023 7:58 am A fan can not be modeled with just rotating wall. Maybe a tesla turbine not a fan.
You need at least MRF (as far as I know not supported with cfdof). I find youtube tutorial misleading
Agreed!
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