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

Fan simulation with inlet and outlet duct for finding fan curve

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   August 6, 2014, 10:49
Default Fan simulation with inlet and outlet duct for finding fan curve
  #1
Member
 
hashim chaudhry
Join Date: Jun 2014
Location: turkey
Posts: 46
Rep Power: 11
chaudhry_hashim is on a distinguished road
Send a message via Skype™ to chaudhry_hashim
Hi I am quite new to CFD i am trying to find out the fan curve. My fan diameter is 71mm and what did uptill now I made inlet duct 15 times of fan dia with pressure inlet (0.0 Pa), outlet duct 30 times of fan dia with pressure outlet (0.0 Pa) and I am giving fixed rpm to the rotating region in between. I am measuring pressure in inlet and outlet duct at a position 10 times of fan dia. but Still I didnt find the relevant pressure difference across the fan and also the solution is not converges. If i want to give the value of dynamic pressure at the inlet then how can i calculate this value as i know the flowrate.
Although I am working in the same way as hiras worked that I am using steady state solution, MRF, pressure-inlet/pressure outlet conditions, k-e standard.
I have attached the pictures of model and mesh kindly take a look and also let me know whether my geometry is correct or not

I would be very grateful if you people help me out
Attached Images
File Type: jpg model.jpg (78.6 KB, 9 views)
File Type: jpg close_view.jpg (70.6 KB, 11 views)
File Type: jpg front view.jpg (72.6 KB, 9 views)
File Type: jpg mesh.jpg (74.4 KB, 11 views)
File Type: jpg side_view.jpg (64.5 KB, 13 views)
chaudhry_hashim 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
Fan geometry for simulation with inlet and outlet duct chaudhry_hashim STAR-CCM+ 0 July 2, 2014 02:52
Fan simulation with inlet and outlet duct chaudhry_hashim STAR-CCM+ 0 June 27, 2014 08:59
Inlet and Outlet BC for maximum flow of a radial fan nash OpenFOAM Pre-Processing 0 October 24, 2013 03:44
Inlet shapes for modelling a fan in an inlet duct buzzybee CFX 10 June 11, 2009 20:15
Propeller Fan Curve Simulation Teng_YJ FLUENT 2 February 16, 2009 19:37


All times are GMT -4. The time now is 15:44.