Aerodynamic characteristics of elliptic airfoils at high Reynolds numbers

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In the present study, the aerodynamic characteristics of elliptic airfoils were numerically investigated based on the Reynolds-averaged Navier-Stokes equations and the Spalart-Allmaras one-equation turbulence model. Calculations were performed for several Reynolds numbers between 2.48 x 10(5) and 3.91 x 10(6) at freestream Mach numbers ranging from subsonic to transonic. The formation of the leading-edge laminar separation bubble and the flow separation characteristics at the trailing edge were studied, including the effects of Reynolds number and compressibility. Elliptic airfoils with different thicknesses were considered for the investigation of the thickness effect. The results were compared with those of NACA series airfoils with identical thicknesses.
Publisher
AMER INST AERONAUT ASTRONAUT
Issue Date
2008-03
Language
English
Article Type
Article
Keywords

FLOWS

Citation

JOURNAL OF AIRCRAFT, v.45, pp.641 - 650

ISSN
0021-8669
DOI
10.2514/1.32671
URI
http://hdl.handle.net/10203/10411
Appears in Collection
AE-Journal Papers(저널논문)
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