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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v30.i6.10
12 pages

Effect of Wavy Screen Parameters on Instantaneous Values of Lifting Force for the Wing Moving over It

V. G. Byelinskyy
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv
P. I. Zinchuk
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

RÉSUMÉ

Some data of experimental study of the wavy screen proximity effect on aerodynamic characteristics of wing are presented. The instantaneous values of the lift coefficient for the wing moving over the wavy screen are discussed. The estimates for the effects of the wave length, wavy screen height, wing aspect ratio, angle of attack and distance from the wave crests on the wing lift are given. Some experimental results for the forces and moments arising on the wing that moves over the screen at the acute angle to the wave front are presented. Mentioned results are important for understanding the dynamic characteristics of the wing-in-ground effect (WIG) crafts.