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Old 20th Jun 2009, 21:19
  #65 (permalink)  
Mr Optimistic
 
Join Date: Jun 2009
Location: Bedford, UK
Age: 70
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vortex shedding
a few years ago I believe work was being done on speed sensors which relied on 'vortex shedding ' (why telephone lines 'sing' in the wind). These don't rely on dynamic pressure. Don't know what, if anything, became of them.
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