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Non-isothermal pipe flow in Comsol

Posted 14 avr. 2014, 16:08 UTC−4 Fluid & Heat Version 4.3a 0 Replies

Jiaxing Zhou
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Hi all,

I am trying to figure out the theoretical background of this module since, instead of using a 3D pipe flow model, it cuts down to 1D pipe flow.

1. Does it mean this module essentially equal to solving partial differential equations under given boundary conditions? If this is the case, what's the difference between this and 3D model, or, what's the limitation of this module?

2. Can't show the velocity/temperature profile along the cross section, but the mean velocity?

3. Can it evaluate log mean temperature, which depends on the velocity?

Thanks!

0 Replies Last Post 14 avr. 2014, 16:08 UTC−4
COMSOL Moderator

Hello Jiaxing Zhou

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