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Characterization and mitigation of blade waviness effects on fan performance

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Academic year: 2021

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Figure  1-2:  Measured  Waviness  and  Roughness  Slope  - Surface  wave  slope  of  0.1  is an  appropriate  criterion  between  waviness  and  roughness.
Figure  1-4:  Turbulence  Intensity  and  Transition  Location  - A  further  reduction  of freestream  turbulence  intensity  below  0.1%  does  not  affect  transition  indicating
Figure  1-7:  Shockwave  Induced  Separation  Loss  Mechanism  - The  acceleration of flow  (1.)  near  a  crest  can  form  a shock  wave  (2.)
Figure  2-3:  MISES  For  Tunnel  Top  Wall  Shaping - Forced  system  response
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