1. 
   Turbulator
   A turbulator is a device that turns a laminar flow into a turbulent flow. Turbulent flow can be desired on parts of the surface of an aircraft wing (airfoil) or in industrial applications such as heat exchangers and the mixing of fluids. ==Airfoil turbulators== When air flows over the wing (an airf...
   Found op http://en.wikipedia.org/wiki/Turbulator
   
   

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