Author Topic: Boiling calculations with an energy model for the vapour  (Read 796 times)

Offline pitney1

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Boiling calculations with an energy model for the vapour
« on: May 12, 2012, 11:43:21 AM »
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Hi,

If either the Thermal Energy model or the Total Energy model is used for the vapour in a calculation using the RPI boiling model, then temperatures of the vapour phase are incorrect, being potentially either unphysically low or occasionally unphysically high.

Help!

Offline william

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Re: Boiling calculations with an energy model for the vapour
« Reply #1 on: May 12, 2012, 11:44:17 AM »
This may be due to an energy source term being included twice. The problem can be ameliorated by setting the Nusselt number on the zero resistance side to a high value. It is however better to set the vapour to be isothermal.

Offline pitney1

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Re: Boiling calculations with an energy model for the vapour
« Reply #2 on: May 12, 2012, 11:44:35 AM »
Thanks!