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

root blower simulation

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

Reply
 
LinkBack Thread Tools Display Modes
Old   October 11, 2006, 07:59
Default root blower simulation
  #1
carno
Guest
 
Posts: n/a
I want to simulate root blower. The preferable simulation is steady state with MFR. My concern is how to simulate the overlapping mesh. We dont have polyflow, to use 'Mesh Superposition Technique'. Do this technique require moving mesh analysis, which we are trying to avoid.

Ref : http://www.fluent.com/solutions/examples/x219.htm

Carno

  Reply With Quote

Old   October 11, 2006, 22:59
Default Re: root blower simulation
  #2
sach
Guest
 
Posts: n/a
stedy state analysis doent require moving mesh use of MRF will solve this problem what is mesh overlapping?

  Reply With Quote

Old   October 13, 2006, 09:40
Default Re: root blower simulation
  #3
carno
Guest
 
Posts: n/a
Dear Sach,

I do not understood your sentence of steady state simulation does not require MRF. If blower is rotating steadily, MRF is required and it is not transient simulation as far as I know. One of the condition for MRF is that the interface of rotating and stationary domains should be at constant distance from centre of rotation. i.e. it should be circular. In case of roots blower, there are two rotors meshing (like gears) with each other. So we cant have domains with circular interface here since two rotating domains with different centres overlap each other. Same case happens with gear pump. Method to simulate gear pump and roots blower may be same.

  Reply With Quote

Old   September 8, 2014, 02:13
Default
  #4
New Member
 
Anonymous
Join Date: Sep 2014
Posts: 1
Rep Power: 0
cfdarpit is on a distinguished road
How do u create CAPS for inlet and outlet?
As i tried i receive error as HOLE FILLING FAILED.
cfdarpit is offline   Reply With Quote

Old   May 21, 2015, 17:47
Default Roots Blower simualtion
  #5
New Member
 
PRANJAL BHUYAN
Join Date: May 2015
Posts: 3
Rep Power: 2
pranjal is on a distinguished road
I am taking time: steady state and simulating a roots blower but the output like mass flow rate are varying when roots are in different angle in steady state simulation. Can some one help me!!!! What may be wrong in the simulation???
pranjal 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
Why my simulation not agree with the wind tunnel experiment zhaowei CFX 4 July 11, 2015 03:36
Simulation of a complex wing in solidworks flow simulation niels1900 FloEFD, FloWorks & FloTHERM 6 April 20, 2011 10:44
GUI crash and simulation engine still running RPJones FLOW-3D 2 November 9, 2010 09:18
velocity profile export from a simulation onto another sudhirlv STAR-CCM+ 1 September 12, 2010 18:57
strange simulation error Ralf Schmidt FLUENT 2 May 4, 2007 13:02


All times are GMT -4. The time now is 05:54.