Fin buffeting over various delta wings

C. Lambert, I. Gursul

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

1 Citation (Scopus)

Abstract

In this investigation, characteristics of fin buffeting over various delta wings was investigated by measurements of fin tip acceleration, Particle Image Velocimetry measurements, and flow visualization. For slender wings, there is a strong asymmetry with regard to the effect of fin location on the buffeting response, and largest response occurs for the inboard fin locations. For outboard fin locations, the buffeting is small, even at high angles of attack when vortex breakdown is well upstream. For inboard fin locations, the largest fin vibrations were found for breakdown locations well upstream of the fin, and when the shear layer of the breakdown region impinges on the fin. The results show that single-fin buffeting may be as important as twin-fin buffeting. For a wing with low sweep angle, vortex shedding rather than vortex breakdown may become the responsible mechanism, and large buffeting excitation for outboard fin locations at a specific incidence is possible. For a double-delta wing, the interaction of strake vortices with the wing flow has a major influence on the buffeting characteristics. Finally, it was found that a nonzero fin angle did not have much effect on the conclusions arrived in this study.

Original languageEnglish
Title of host publication21st AIAA Applied Aerodynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics
ISBN (Print)9781624100925
DOIs
Publication statusPublished - 1 Dec 2003
Externally publishedYes
Event21st AIAA Applied Aerodynamics Conference 2003 - Orlando, United States
Duration: 23 Jun 200326 Jun 2003

Conference

Conference21st AIAA Applied Aerodynamics Conference 2003
CountryUnited States
CityOrlando
Period23/06/0326/06/03

Fingerprint

Buffeting
Vortex flow
Vortex shedding
Flow visualization
Angle of attack
Velocity measurement

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanical Engineering

Cite this

Lambert, C., & Gursul, I. (2003). Fin buffeting over various delta wings. In 21st AIAA Applied Aerodynamics Conference American Institute of Aeronautics and Astronautics. https://doi.org/10.2514/6.2003-3529

Fin buffeting over various delta wings. / Lambert, C.; Gursul, I.

21st AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics, 2003.

Research output: Chapter in Book/Report/Conference proceedingConference proceeding

Lambert, C & Gursul, I 2003, Fin buffeting over various delta wings. in 21st AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics, 21st AIAA Applied Aerodynamics Conference 2003, Orlando, United States, 23/06/03. https://doi.org/10.2514/6.2003-3529
Lambert C, Gursul I. Fin buffeting over various delta wings. In 21st AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics. 2003 https://doi.org/10.2514/6.2003-3529
Lambert, C. ; Gursul, I. / Fin buffeting over various delta wings. 21st AIAA Applied Aerodynamics Conference. American Institute of Aeronautics and Astronautics, 2003.
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