# Needing help in simulating Natural convection in a pool

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 May 29, 2017, 10:30 Needing help in simulating Natural convection in a pool #1 New Member   Reza.H Join Date: May 2017 Posts: 2 Rep Power: 0 hi everyone. i want to simulate natural convection in an outdoor pool with fluent,the case is a tank with 2 tube connected to a coil and it is 3d-steady filled with water.I use boussinesq for density,but i cant get the right answer.The pressure contour and temperature contour shows no logical answer.i would appreciate any suggestion and help.tnx Svetlana likes this.

 May 29, 2017, 15:11 #2 Member   Audrius Join Date: Apr 2015 Location: Kaunas Posts: 30 Rep Power: 11 In Boussinesq is not showed static pressure. Write for me private message, I will try to help for You. rtk707 likes this.

 May 29, 2017, 23:19 bcs? #3 Senior Member   Svetlana Tkachenko Join Date: Oct 2013 Location: Australia, Sydney Posts: 412 Rep Power: 14 This is a public forum and it is better to help in public for everyone else to be able to assist and learn from the discussion. May I ask the boundary conditions, obtained results and expected results here? KaLium and rtk707 like this.

 May 30, 2017, 01:14 #4 New Member   Reza.H Join Date: May 2017 Posts: 2 Rep Power: 0 The problem is showing circulation of water by natural convection in a pool(hot tub) with no pump or any unnatural force(like pumps).i thought maybe temperature bc may help me but the answer showing no circulation or even hotter tank!i need help both in method and bc. p.s this link shows the exact diagram of what i want to do. https://www.cedartubs.com/storeimage...stallation.gif Svetlana likes this.

May 30, 2017, 08:06
#5
Senior Member

Kal-El
Join Date: Apr 2017
Location: Finland
Posts: 150
Rep Power: 9
Quote:
 Originally Posted by rtk707 The problem is showing circulation of water by natural convection in a pool(hot tub) with no pump or any unnatural force(like pumps).i thought maybe temperature bc may help me but the answer showing no circulation or even hotter tank!i need help both in method and bc. p.s this link shows the exact diagram of what i want to do. https://www.cedartubs.com/storeimage...stallation.gif
Could you send some pictures of your results? Is there temperature gradient of any kind?

Last edited by KaLium; June 1, 2017 at 07:46.

 Tags fluent, natural convectin