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adiabatic as an outside boundary condition

asked 2016-04-19 13:01:08 -0600

updated 2016-04-19 13:01:56 -0600

I know this is a basic question but I am really curious to know when outside boundary condition of a surface is adiabatic? what does it mean? Thanks in advance for any answer.

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answered 2016-04-19 13:06:17 -0600

updated 2016-04-19 13:07:26 -0600

It means that no heat transfer will occur for this surface, at ALL.

It won't lose or gain any heat to the outside, will not receive any solar gains.

Case where you could use this is it you are modeling only part of a building for example. If you are not modeling an adjacent zone, then you would set the surface as being adiabatic.

Note that the thermal mass of this surface will still be taken into account.

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Thanks Julien, May I know that adiabatic wall could have window?

4Designer gravatar image 4Designer  ( 2016-04-19 13:30:12 -0600 )edit
2

You can't have any windows in a base surface with an adiabatic boundary condition. If you do, the windows will be removed prior to simulation. If you have a specific use case where you need that, you can mimic the adiabatic condition by making a super insulated wall that is nearly perfect.

David Goldwasser gravatar image David Goldwasser  ( 2016-04-19 14:27:17 -0600 )edit

@David Goldwasser, Thanks for your informative response.

4Designer gravatar image 4Designer  ( 2016-04-20 00:53:11 -0600 )edit

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Asked: 2016-04-19 13:01:08 -0600

Seen: 579 times

Last updated: Apr 19 '16