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

angle stall for a wing

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

Reply
 
LinkBack Thread Tools Display Modes
Old   June 30, 2008, 20:38
Default angle stall for a wing
  #1
Richard
Guest
 
Posts: n/a
Can CFX predict angle stall for a wing? (profile wing from naca 0015). Thanks before
  Reply With Quote

Old   July 1, 2008, 05:35
Default Re: angle stall for a wing
  #2
JT
Guest
 
Posts: n/a
yes, just set up a transient case where the wing rotates or several steady state cases at different AOA's... keep an eye on the pressure profile in CFX-post
  Reply With Quote

Old   July 2, 2008, 04:42
Default Re: angle stall for a wing ( for JT )
  #3
Richard
Guest
 
Posts: n/a
thanks JT for your information. but I have tried from angle of attack 10 degree until 50 degree but wing lift always increase from 10 degree until 50 degree not decrease at its stall angle (for naca 0015 it's about 15 degree). what's wrong? or I have misconseptions. thx.
  Reply With Quote

Old   July 2, 2008, 18:21
Default Re: angle stall for a wing ( for JT )
  #4
Glenn Horrocks
Guest
 
Posts: n/a
Hi,

This can be modelled but is very difficult to get accurate. Having said that if the flow is still attached at 50 degree AOA then your model is grossly inaccurate and you obviously need to check the physics and accuracy of your simulation.

Glenn Horrocks
  Reply With Quote

Old   July 2, 2008, 20:44
Default Re: angle stall for a wing ( for Glenn Horrocks )
  #5
Richard
Guest
 
Posts: n/a
Thank's Glenn for your information. I need your help again. Where I can find theory about stall angel for wing? Can I find it in CFX manual?
  Reply With Quote

Old   July 3, 2008, 01:49
Default Re: angle stall for a wing ( for Glenn Horrocks )
  #6
Glenn Horrocks
Guest
 
Posts: n/a
Hi,

For general information about stall angles for airfoils see a general airfoil textbook. There is also a lot of information on the web, try google.

Glenn Horrocks
  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
Import netgen mesh to OpenFOAM hsieh Open Source Meshers: Gmsh, Netgen, CGNS, ... 32 September 13, 2011 05:50
Determining Stall Angle of 2D Airfoil Active.Aero.Fiero FLUENT 3 October 27, 2010 09:07
Airfoil at stall angle cfd_newbie FLUENT 10 February 5, 2008 12:33
Modelling flow over airfoil at near stall angle Kelvin FLUENT 5 June 6, 2007 02:00
Dynamic stall on circular wing Anton Lyaskin Main CFD Forum 1 November 4, 2002 07:47


All times are GMT -4. The time now is 21:24.