|
[Sponsors] |
June 1, 2012, 10:36 |
Natural convection in liquid metal column
|
#1 |
Member
Norbert Weber
Join Date: May 2012
Location: Dresden, Germany
Posts: 37
Rep Power: 13 |
I am thinking about how to model the following problem:
I have a cylinder, filled with mercury. The cylinder walls are electrically isolating - from the bottom to the top an electric current is flowing. The bottom is cooled, the side-walls are at room temperature. The current heats the metal to about room temp.+30K and natural convection occurs. The speed of the convection is the thing I would like to know. -> buoyantBoussinesqPimpleFoam is the right model? -> can I simulate with 2 different phases, too? (e. g. water over mercury) -> can I simulate the heat transfer through the wall, or do I have to use a wall with a thickness == 0 at a constant temperature? Many thanks! |
|
June 4, 2012, 04:00 |
|
#2 |
Senior Member
Olivier
Join Date: Jun 2009
Location: France, grenoble
Posts: 272
Rep Power: 17 |
hello,
1) yes buoyantBoussinesqPimpleFoam would be the right solver for natural convection, but you need to add source term (current heat): customise the solver or look at explicitSetValue. 2) multiphase not miscible => interFoam, but current "official" solver are isothermal only, so you need to modifiy interFoam (simple if you stay incompressible). 3) you can use both, i.e simulate heat transfert or even try the "shell" model (look here:http://www.cfd-online.com/Forums/ope...tml#post320936 hope this help, regards, olivier |
|
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
natural convection problem with radiation | jorien | CFX | 0 | October 14, 2011 09:26 |
Natural Convection with heat generation | krishnachandranr | Main CFD Forum | 0 | July 28, 2009 04:22 |
radiation of molton liquid metal in enclosure | richard | CFX | 0 | April 8, 2008 15:43 |
Coupled vs Seg - Natural vs. Forced Convection | Alex | Siemens | 5 | December 12, 2007 04:58 |
free convection heat transfer from a heated horizontal surface through a liquid to a thin cooled fin | Kaushik | FLUENT | 1 | May 8, 2000 06:47 |