Aerodynamics of an airfoil in ground affect with a jet issuing from its undersurface

Ramesh K. Agarwal, Jerry E. Deese

Research output: Contribution to conferencePaperpeer-review

Abstract

Potential flow models employing the jet-flap theory are inadequate for simulating the flowfield around an airfoil in ground effect with a jet issuing from its undersurface. Euler equations serve as a better physical model because they do not require the assumption of an infinite open wake behind the jet with pressure equal to the free-stream pressure. Euler equations can also capture the vortex formation behind the jet and most of the airfoil/jet/ground-plane interaction, except the effect of entrainment. In this paper, airfoil/ jet/ground-interaction flowfields are calculated by solving Euler equations on body-conforming curvilinear grids.

Original languageEnglish
StatePublished - 1985
EventAlAA 23rd Aerospace Sciences Meeting, 1985 - Reno, United States
Duration: Jan 14 1985Jan 17 1985

Conference

ConferenceAlAA 23rd Aerospace Sciences Meeting, 1985
Country/TerritoryUnited States
CityReno
Period01/14/8501/17/85

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