CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > OpenFOAM Running, Solving & CFD

Running rhoCentralFoam without specification of Temperature

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Display Modes
Old   August 31, 2010, 10:39
Default Running rhoCentralFoam without specification of Temperature
  #1
Member
 
Dennis Rown
Join Date: Oct 2009
Posts: 51
Rep Power: 7
shangzung is on a distinguished road
Hello!

I wanted to ask if the specification of temperature is necessary for simulation of pressurization with rhoCentralFoam or if there is a way not to specify it.

Thanks in advance!
shangzung is offline   Reply With Quote

Old   September 17, 2010, 08:52
Default
  #2
Member
 
Florian Ettner
Join Date: Mar 2009
Location: Munich, Germany
Posts: 40
Rep Power: 8
dohnie is on a distinguished road
Dennis,
I'm not sure if I completely understood your problem, but:

rhoCentralFoam simulates compressible flow. It solves the energy equation. The internal energy depends on temperature.
Finally you derive pressure from temperature via the equation of state (perfect gas: p=rho*R*T).

So, running a compressible flow simulation without having a specified temperature is impossible.

Hope that helps.

Florian
dohnie is offline   Reply With Quote

Reply

Thread Tools
Display Modes

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 On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Calculation of the Governing Equations Mihail CFX 7 September 7, 2014 06:27
Extremely high Temperature needed to simulate pressurization with rhoCentralFoam shangzung OpenFOAM Running, Solving & CFD 0 August 6, 2010 06:35
Statically Compiling OpenFOAM Issues herzfeldd OpenFOAM Installation 21 January 6, 2009 10:38
Kubuntu uses dash breaks All scripts in tutorials platopus OpenFOAM Bugs 8 April 15, 2008 07:52
backflow temperature specification jonglee FLUENT 0 April 20, 2007 04:57


All times are GMT -4. The time now is 23:38.