|
[Sponsors] |
February 20, 2019, 05:12 |
Natural convection
|
#1 |
Member
Join Date: Nov 2018
Posts: 41
Rep Power: 7 |
I'm modeling a heat sink, (natural convection), the problem that there is no velocity vectors are generating and the velocity is zero even there is a temperature difference and the gravity model is on.
|
|
February 20, 2019, 14:05 |
|
#2 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,427
Rep Power: 49 |
Are you using a fluid with temperature-dependent density, e.g. ideal gas? Constant density won't cut it.
|
|
February 21, 2019, 06:44 |
|
#3 |
Member
Join Date: Nov 2018
Posts: 41
Rep Power: 7 |
Thank you, I got the answer it was just a stupid mistake
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Transient natural convection, and immediately forced convection | intied | FLUENT | 2 | February 7, 2019 19:38 |
Thermophysical properties for natural convection | Ciefdi | OpenFOAM Running, Solving & CFD | 0 | November 7, 2013 12:44 |
Flow around cube and cube natural convection | Mirage12 | OpenFOAM Running, Solving & CFD | 5 | June 15, 2013 12:20 |
natural convection problem with radiation | jorien | CFX | 0 | October 14, 2011 10:26 |
Coupled vs Seg - Natural vs. Forced Convection | Alex | Siemens | 5 | December 12, 2007 05:58 |