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TsAGI Science Journal

ISSN Print: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2018027068
pages 263-272

EFFECT OF MODEL ATTACHMENT BRACKETS FOR THE AV-102 MEASUREMENT SYSTEM ON THE RESULTS OF EXPERIMENTAL INVESTIGATIONS IN THE TSAGI T-102 WIND TUNNEL

Alexey Alexandrovich Krivoschapov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation

ABSTRACT

The effect of installing additional pairs of dummy support brackets at different span locations on the measured longitudinal aerodynamic characteristics in a wind tunnel is evaluated. The influence of dummy support brackets on the flow field over the model surface at different angles of attack is also investigated using the technique of oil dots. It is shown that the support brackets induce vortices, which travel from the lower to the upper wing surface with the increasing angle of attack altering the flow field.


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