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Joule heating and butler volmer rate in fluent

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Old   March 12, 2008, 15:10
Default Joule heating and butler volmer rate in fluent
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swapna
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Hi all,

I am dealing with a cfd model where current densities and ohmic heating terms are involved.I would like to know how to define these terms or related terms(JOule Heating and Butler Volmer Rate options) in FLUENT.

Thanks, Swapna
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Old   March 13, 2008, 02:28
Default Re: Joule heating and butler volmer rate in fluent
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selvag
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hi, you can use MHD module. for this you have to get separate license from fluent.
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Old   March 14, 2008, 17:42
Default Re: Joule heating and butler volmer rate in fluent
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Alexander
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You can solve the equation for electric potential and find the current density and Joul heating by solving additional equation for UDS (user defined scalar=potential). But you can have some difficulties in approximation of potential gradient at electrode boundaries.

Alexander
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