Flow physics of a multi-element airfoil in ground effect

  • Qiulin Qu
  • , Beibi Ju
  • , Liewei Huang
  • , Peiqing Liu
  • , Ramesh K. Agarwal

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The flow physics of a multi-element airfoil in ground effect is studied by numerical simulation. The steady compressible Reynolds-Averaged Navier-Stokes equations in conjunction with the Spalart-Allmaras turbulence model are solved using the finite volume method. For a single-element airfoil, the camber of the airfoil is relatively small and therefore the reduction in effective camber due to ground effect is weak and the blockage effect in ground effect is strong. The pressure increment on the lower surface of the airfoil is larger than that on the upper surface; thus the lift in ground effect increases. For a multi-element airfoil however, the camber is very large and therefore the reduction in effective camber in ground effect is large and the blockage effect is weak.

Original languageEnglish
Title of host publication54th AIAA Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103933
DOIs
StatePublished - 2016
Event54th AIAA Aerospace Sciences Meeting, 2016 - San Diego, United States
Duration: 4 Jan 20168 Jan 2016

Publication series

Name54th AIAA Aerospace Sciences Meeting
Volume0

Conference

Conference54th AIAA Aerospace Sciences Meeting, 2016
Country/TerritoryUnited States
CitySan Diego
Period4/01/168/01/16

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