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-   -   Heating a Solid with Solar Radiation (http://www.cfd-online.com/Forums/fluent/104059-heating-solid-solar-radiation.html)

Allankey July 2, 2012 14:22

Heating a Solid with Solar Radiation
 
Is it possible to heat a simple solid body with solar radiation in Fluent?

It seems that whatever I try I get convection from the surface but no conduction. What is going on? Please help :eek:

flotus1 July 3, 2012 03:14

For radiation simulations in solids, the radiation term has to be switched on manually.

Go to "Cell Zone Conditions" -> "edit" -> check "participates in radiation"

That should do the trick.

Allankey July 3, 2012 06:15

Case File
 
Quote:

Originally Posted by eng_s_sadeghi (Post 369413)
Yes, it is possible. Please send me dimension and other information for modeling it, if you want. Find my email from my website.

Thank you so much for your offer of advice. If you like I can send my case file. I am working with Version 13, does that still suit you?

Allankey July 3, 2012 06:17

Quote:

Originally Posted by flotus1 (Post 369442)
For radiation simulations in solids, the radiation term has to be switched on manually.

Go to "Cell Zone Conditions" -> "edit" -> check "participates in radiation"

That should do the trick.

I have tried this but still no luck :( :( it seems to work with thermal radiation but when I use irradiation nothing happens

Ganapathy July 19, 2012 06:32

Hi,
I am facing the same problem. I have a box , 500mmX500mmx500mm. At the centre is a thin piece of metal 300mmx300mmx5mm. I am trying to heat the metal using heat flux at the top surface and radiation heat transfer. But in the transient simulation, the air starts getting heated up much before the metal.


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