...that should read "rotate the position of the fans 90 degrees" (it was late 
and I should have been in bed).
  ----- Original Message ----- 
  From: Hugh Trenchard 
  To: [email protected] ; The Friday Morning Applied Complexity Coffee 
Group ; Carl Tollander 
  Cc: [email protected] 
  Sent: Wednesday, November 25, 2009 12:05 AM
  Subject: Re: [FRIAM] flocking windmills



  It looks to me the article addresses this.  When windmills are in a 
conventional "face to the wind" position, they do need to be well spread out in 
order to catch as much wind as possible.  But if you rotate the position 90 of 
the fans degrees so that they are spinning "sideways", they spin with greater 
efficiency when lined up behind each other in zones of lower air resistance.  
The article appears to refer to this fan position as a "vertical" rotation.  
The photo shows "vertically" rotating tube like structures, which are much like 
long fans turned on their sides.  Aligning them in fish school formation 
evidently is the most efficient in terms of space and maximal wattage 
generation.  That's how it all appears to me in any event.

  Hugh Trenchard
    ----- Original Message ----- 
    From: Nicholas Thompson 
    To: Carl Tollander 
    Cc: [email protected] 
    Sent: Tuesday, November 24, 2009 9:45 PM
    Subject: Re: [FRIAM] flocking windmills


    Sorry, everybody.  What I meant to write was, "Wait a blithering 
moment!!!", suggesting,  at least,  that the metaphor between bunching up 
cyclists and bunching up windturbines was backwards.  Don't you WANT your 
turbines to "feel" the "headwind"?

     Of course I am wrong about this, but I sure would like to understand why.

    Nick 

    Nicholas S. Thompson
    Emeritus Professor of Psychology and Ethology, 
    Clark University ([email protected])
    http://home.earthlink.net/~nickthompson/naturaldesigns/
    http://www.cusf.org [City University of Santa Fe]




      ----- Original Message ----- 
      From: Carl Tollander 
      To: [email protected];The Friday Morning Applied Complexity 
Coffee Group
      Sent: 11/24/2009 10:13:22 PM 
      Subject: Re: [FRIAM] flocking windmills


      What they lack is mobility - lacking some sort of mobile platform maybe 
they could get together and decide where the next best placement would be and 
tell the manufacturing and installation people.   Some sort of distributed 
instantiation - Group orders another member, turbine shows up in the mail, 
speaks up, says, "I am a wind turbine, the group has determined that it will be 
most efficient if you place me over there." And the humans would go do that, 
since the turbine family was usually right about such things.

      So maybe the turbines "want" some particular configuration, the friction 
is just one criteria.   If they were a phased array antenna (in addition to 
being a group of wind turbines) then they would have additional criteria. 

      C

      Nicholas Thompson wrote: 
        Now what a blithering moment.  Cyclists flock to reduce friction.  
Ditto fish, I suppose.  

        So, turbines want less friction with the wind????? 

        Something screwy here.  

        N 

        Nicholas S. Thompson
        Emeritus Professor of Psychology and Ethology, 
        Clark University ([email protected])
        http://home.earthlink.net/~nickthompson/naturaldesigns/
        http://www.cusf.org [City University of Santa Fe]




          ----- Original Message ----- 
          From: Roger Critchlow 
          To: The Friday Morning Applied Complexity Coffee Group
          Sent: 11/24/2009 7:36:30 PM 
          Subject: [FRIAM] flocking windmills


          Same power production as existing wind farms in 100th the land area. 


            http://sciencenow.sciencemag.org/cgi/content/full/2009/1124/1


          -- rec --
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FRIAM Applied Complexity Group listserv
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    FRIAM Applied Complexity Group listserv
    Meets Fridays 9a-11:30 at cafe at St. John's College
    lectures, archives, unsubscribe, maps at http://www.friam.org


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  ============================================================
  FRIAM Applied Complexity Group listserv
  Meets Fridays 9a-11:30 at cafe at St. John's College
  lectures, archives, unsubscribe, maps at http://www.friam.org
============================================================
FRIAM Applied Complexity Group listserv
Meets Fridays 9a-11:30 at cafe at St. John's College
lectures, archives, unsubscribe, maps at http://www.friam.org

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