CFD Online Logo CFD Online URL
Home > Forums > General Forums > Main CFD Forum

vertical axis wind turbines

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

Like Tree1Likes
  • 1 Post By pyong

LinkBack Thread Tools Search this Thread Display Modes
Old   March 13, 2005, 01:08
Default vertical axis wind turbines
Posts: n/a
Hi everybody, I'm currently investigating the possible applications of VAWT in urban environments. I have been researching blade design and have made a few prototypes, however this method is both time and finance consuming. I was wondering if anybody out there has tried cfd (computational fluid dynamics) software for turbine development. I'm not a physics major so something more along the 2d simple approach is what I'm looking for.


dokphysique likes this.
  Reply With Quote

Old   March 14, 2005, 10:35
Default Re: vertical axis wind turbines
Jonas Holdeman
Posts: n/a
I remember a paper on this subject at the 14th US National Congress of Theoretical and Applied Mechanics in June 2002 at Virginia Tech in blacksburg, VA. The two presenting the paper were from somewhere in the midwest, I think, and they were talking about what they planned to do rather than what they had done. It was a 2D calculation. These turbines generate their power from drag on the blades rather than lift.

I thought this would be an interesting problem and I devised a mesh to do it, but it is still on my list of things to do. My thoughts were to use a circular mesh with the (symmetric) blade in the center. Then one computes the flow field and drag as the direction and speed of the incident windfield changes corresponding to rotation of the boom carrying the blades.

You might also search the archives of this forum. I think I remember a question about VAWTs several years ago.

The VAWT has not gained much popularity because of fatigue-failure problems with the blades and they are not self-starting, but they do allow the generator to be placed at the bottom of the tower.
  Reply With Quote


Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
High torque coefficient Cm for Vertical Axis Wind Turbine (VAWT) tony00 FLUENT 11 July 23, 2018 07:13
Vertical Axis Wind Turbine Rotating Domain Problems TWaung CFX 4 May 1, 2012 04:14
Reversed flow in Vertical axis wind turbine Anonymized_JL1 FLUENT 2 April 11, 2012 04:13
Vertical axis wind turbine in NUMECA ArslanOZCAN NUMECA 2 July 21, 2011 06:04
Moment coefficient of vertical axis wind rotor Agni Main CFD Forum 0 August 28, 2008 07:07

All times are GMT -4. The time now is 03:29.