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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 The information provided may be out of date.

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Peltier Sensor

Posted Jun 25, 2015, 7:30 a.m. EDT Fluid & Heat, Heat Transfer & Phase Change, Modeling Tools & Definitions, Parameters, Variables, & Functions Version 4.4 2 Replies

Shaun Ward
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Hi,
Im trying to model a peltier device with airflow over the surface however I'm struggling to:
A) link the thermoelectic legs to a plastic/ceramic top and bottom layer
B) link the thermoelectric to a conjugate heat transfer physics model.
Was wondering if anyone had any tips or advice ?
Thanks

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2 Replies Last Post Jul 2, 2015, 9:43 a.m. EDT
AC
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Posted: 9 years ago Jun 26, 2015, 3:34 p.m. EDT
you can use beams and shells modules or the multibody module.
you can use beams and shells modules or the multibody module.
Shaun Ward
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Posted: 9 years ago Jul 2, 2015, 9:43 a.m. EDT
I'm currently using the 4.4 software so I'm unable to use shells/structural mechanics. My biggest issue with the modelling is getting realistic current densities. The supplied model in the verification model library seems to require 700,00A/m^2 to maintain a 60K temperature gradient over 6mm.

As I'm trying to model a 1x1x1mm pellet and the current/length of pellet seem to be inversely proportional do you have any advice?

Thanks
Shaun
I'm currently using the 4.4 software so I'm unable to use shells/structural mechanics. My biggest issue with the modelling is getting realistic current densities. The supplied model in the verification model library seems to require 700,00A/m^2 to maintain a 60K temperature gradient over 6mm. As I'm trying to model a 1x1x1mm pellet and the current/length of pellet seem to be inversely proportional do you have any advice? Thanks Shaun

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