# How do I simulate a heat sink?

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 June 9, 2012, 08:39 How do I simulate a heat sink? #1 Member   Adil Syyed Join Date: May 2012 Posts: 49 Rep Power: 7 I am a student so bare with me please. I am trying to make a heat sink in the middle of the air domain, which will dissipate heat. Actually it is a dehydrator in which the fruits are to be modeled as heat sink, as they require heat during the dehydration process. I am using ANSYS CFX 11, I tried to find about the heat sinks in the source term, in the documentation, but I didn't get a lot. Can someone please guide me, how can I simulate such an arrangement.

 June 11, 2012, 02:52 #2 Senior Member   Rikio Join Date: Mar 2009 Location: SH, China Posts: 182 Blog Entries: 1 Rep Power: 10 You can set the heat source terms from locations listed in /Modeling Guide /Basic Capabilities Modeling /Sources /Locators for Sources. The path I mentioned is for CFX V13.0. Input a value to the energy source to give a specific rate, or a variable one.

June 11, 2012, 05:17
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 Originally Posted by rikio You can set the heat source terms from locations listed in /Modeling Guide /Basic Capabilities Modeling /Sources /Locators for Sources. The path I mentioned is for CFX V13.0. Input a value to the energy source to give a specific rate, or a variable one.
In the heating coil tutorial, we give a source energy equation to define the copper heating element. So in this case can I use the same approach with the negative values of energy in source equation?

Please bare with me if it is a stupid question.

 June 11, 2012, 07:15 #4 Senior Member   Rikio Join Date: Mar 2009 Location: SH, China Posts: 182 Blog Entries: 1 Rep Power: 10 It is supposed to work. :-) adilsyyed likes this.

June 11, 2012, 09:18
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 Originally Posted by rikio It is supposed to work. :-)
Thank You very much Sir. This took a lot of time from me and I couldn't figure out anything.

Thanks again

 June 11, 2012, 20:26 #6 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 13,991 Rep Power: 107 Have a look at the heating coil tutorial from CFX. That shows you how to model sources. adilsyyed likes this.

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