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TsAGI Science Journal

ISSN Печать: 1948-2590
ISSN Онлайн: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2018028758
pages 569-580

ACCOUNTING FOR THE ELASTIC TWIST WHEN PROCESSING THE TEST RESULTS FOR THE DRAINED WING MODEL OF HIGH ASPECT RATIO IN A WIND TUNNEL

Mansur Foatovich Garifullin
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Olga Alekseevna Orlova
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky St. 1, Zhukovsky, 140180, Russia

Краткое описание

Problems that take into account the deformations of a wing model during wind tunnel (WT) testing are considered. As examples, investigation results of a drained model of a long-range aircraft wing at Mach numbers 0.4 and 0.78 under different angles of attack are presented. The estimations of elastic twist angles in streamwise sections of the wing model are obtained. The differences in the results obtained at various values of the reference pressure in a WT with a closed test section are shown.

Ключевые слова: aeroelasticity, aerodynamics, experiment, wind tunnel

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