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Experimental Study of a Ground Vortex: the Effect of the Crossflow Velocity

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  • معلومة اضافية
    • بيانات النشر:
      American Institute of Aeronautics and Astronautics Inc
    • الموضوع:
      2022
    • Collection:
      Universidade da Beira Interior: Ubi Thesis - Conhecimento Online
    • نبذة مختصرة :
      Laser-Doppler measurements of the velocity characteristics of a ground vortex flow resulting from the collision of a wall jet with a boundary layer are presented and discussed together with flow visualization. In the present study velocity ratios between the boundary layer and the wall jet of 0.5 and 0.62 were considered. Two secondary vortices were found upstream the separation point for the highest velocity ratio. The angle of deflection of the upwash flow was found to decrease with the velocity ratio, while the wall jet penetration increases. ; Fundação para a Ciência e a Tecnologia ; info:eu-repo/semantics/publishedVersion
    • ISBN:
      978-1-60086-950-1
      1-60086-950-5
    • Relation:
      info:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FEME-MFE%2F102190%2F2008/PT; Barata, J.M.M., Bernardo, N., Santos, P.J.C.T., Silva, A.R.R. Experimental Study of a Ground Vortex: the Effect of the Crossflow Velocity 49th Aerospace Sciences Meeting, Orlando, FL, EUA, 4-7 janeiro, 2011 DOI:10.2514/6.2011-1052; http://hdl.handle.net/10400.6/12211
    • الرقم المعرف:
      10.2514/6.2011-1052
    • الدخول الالكتروني :
      http://hdl.handle.net/10400.6/12211
      https://doi.org/10.2514/6.2011-1052
    • Rights:
      embargoedAccess ; http://creativecommons.org/licenses/by/4.0/
    • الرقم المعرف:
      edsbas.9B55808E