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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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generating flow internally

Posted 2014年6月12日 GMT-4 14:22 Fluid & Heat Version 4.4 2 Replies

Physical Ecology
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I am trying to model a closed, recirculating flow chamber, similar to a real one that we have built in our lab. In real life, the flow is generated by a propeller that resides inside the closed chamber (see photo). The dynamics of the propeller are not important, so I just need to generate water movement in one part of the chamber (bottom, tube section) so I can observe the fluid behavior in another (top, rectangular section).

I have included my rough draft of the COMSOL model. I haven't closed the loop yet and am currently powering the flow with an inlet and outlet surface. I would like to close the chamber and power it from the inside.

Is there an example of some sort of internal pump that I might use as an example? I didn't see one in the library and the solutions I'm employing don't seem physically realistic.

Many thanks
2 Replies Last Post 2014年6月13日 GMT-4 11:39
Tero Hietanen
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Posted: 1 decade ago 2014年6月13日 GMT-4 10:19
Hi,

Here is modified version from your model. I closed loop and added "internal fan". Check if this is what you are looking for.

Best regards

Tero Hietanen
Hi, Here is modified version from your model. I closed loop and added "internal fan". Check if this is what you are looking for. Best regards Tero Hietanen
Physical Ecology
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Posted: 1 decade ago 2014年6月13日 GMT-4 11:39
Tero Hietanen - A heartfelt thank-you for your efforts, this is perfect. I also appreciate the other "tweaks" that you added to the model. I am learning a lot.
Tero Hietanen - A heartfelt thank-you for your efforts, this is perfect. I also appreciate the other "tweaks" that you added to the model. I am learning a lot.

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