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Untitled Prezi

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Takurou Satou

on 18 July 2013

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Transcript of Untitled Prezi

Aerodynamic Characteristics

About windmill
another problem
blade's deformation
know the aerodynamic characteristics considering blades deformation.
easy simulation and designing blade.
Windmill blades
clean energy
used all over the world
My research
changing the aerodynamic characteristics in velocity gradient.
vortex theory
lifting surface theory
fig.2 Turbine aerodynamics
Fig.3 vortex elements
If blade takes wind it causes deformation.
Fig.4 deformation
solve another problem
the vortex method
lifting surface theory
plug numbers into a formula
(finite element method)
Get the Lift force and induced drag.
simulate deformation amount using force(L,Di) of air.
blades are cut as element of blade elements. And we know the induced velocity of each elements.Moreover, to sum the elements over the course of wing.
fig.1 Windmills
fig.6 FEM
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