CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

Natural Convection

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   June 6, 2014, 07:35
Default Natural Convection
  #1
New Member
 
Rui Carneiro
Join Date: Mar 2014
Posts: 9
Rep Power: 12
sinvastil is on a distinguished road
Hi everyone,

I am doing a similar study, the difference is that i have one door between the interior and the exterior of room.
In my case the temperatura inside the room is about 278,15K and outside the room is 298,15K.
I want to study the temperature change inside the room, as the door opens, due to the natural convection.
For the exterior i choosed the boundary conditions as Pressure Outlet and to the room were adiabatic walls.
But until now i can't obtain results, can somebody help me?
sinvastil is offline   Reply With Quote

Old   June 7, 2014, 19:00
Default
  #2
Senior Member
 
Joe
Join Date: Feb 2012
Location: Canada
Posts: 111
Rep Power: 14
enayath is on a distinguished road
Please describe more...
what is the problem?

you can not start the simulation or the it diverges or the values are totally off, or ...

Hooman
enayath is offline   Reply With Quote

Old   June 8, 2014, 05:26
Default
  #3
New Member
 
Rui Carneiro
Join Date: Mar 2014
Posts: 9
Rep Power: 12
sinvastil is on a distinguished road
Thank you for reply.

I have been studying my case and I think that the problem was in the dynamic mesh, but i can't solve it.
I'm trying to simulate a door opening in a room, the red grid represents the door that has a angular velocity given by a UDF file.
The purpose of this study is simulate the temperature variation inside the room. However, my mesh is not being remeshed, like we can see in the image.
Can you help me?
Attached Images
File Type: png Sem Título.png (36.6 KB, 10 views)
sinvastil is offline   Reply With Quote

Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Thermophysical properties for natural convection Ciefdi OpenFOAM Running, Solving & CFD 0 November 7, 2013 11:44
natural convection problem with radiation jorien CFX 0 October 14, 2011 09:26
Coupled vs Seg - Natural vs. Forced Convection Alex Siemens 5 December 12, 2007 04:58
Mixing By Natural Convection Processes Greg Perkins FLUENT 0 February 12, 2003 18:40
natural convection in a sealed enclosure James Main CFD Forum 4 April 2, 2001 15:48


All times are GMT -4. The time now is 06:56.