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Situation:

The house is surrounded by other structures in a way that the the wind direction remains parallel-horizontal to the wall. There are a couple of windows on that wall, but amount of air passing through those two windows is very small. If an obstacle could be placed to divert the wind into the house then the air passing through the windows would be greater.

Questions:

  • How can I divert the wind (air) which is flowing parallel to the wall into the house?
  • Is there any design for a wind catcher which can be mounted on an exterior wall?
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1  
What do you mean by 'capture'? What wall? For what purpose? –  DA01 Aug 14 '13 at 18:07
2  
You could use a plastic bag. However, captured wind will quickly grow bored, tired, and will soon fall asleep and stop moving about. –  Tester101 Aug 14 '13 at 19:14
    
@DA01 Please excuse my language mistakes.Question edited. –  Optimight Aug 15 '13 at 15:01
    
google.com/images?q=yacht+wind+scoop –  mike Aug 15 '13 at 15:42
    
A review on wind driven ventilation techniques Energy and Buildings 40(8) 2008 1586–1604 sciencedirect.com/science/article/pii/S0378778808000443 –  mike Aug 15 '13 at 15:47
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1 Answer

up vote 4 down vote accepted

I think the ideal solution would be to get casement windows. If the wind blows in both direction (at different times) you could go with a set of casements and open the applicable one:

enter image description here

Barring that, I think you need to rig up something that works the same say...perhaps a sheet metal 'vent hood' mounted at an angle. Or even perhaps just a piece of plywood.

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casements will divert parallel winds that have a strong horizontal component. –  mike Aug 15 '13 at 15:21
    
@mike right...that's what the OP was asking for, right? Or did I misunderstand the question? –  DA01 Aug 15 '13 at 16:20
    
Quite likely, yes, but OP did not specify that the winds were horizontal, only that they were parallel. –  mike Aug 15 '13 at 16:57
    
@mike ha! Good point. –  DA01 Aug 15 '13 at 17:11
    
@DAO1 - Thanks. It was an absurd point, but a point none the less. :) –  mike Aug 16 '13 at 2:58
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