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TsAGI Science Journal

ISSN Druckformat: 1948-2590
ISSN Online: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2017019533
pages 581-597

LIFTING BODY AERODYNAMIC EFFICIENCY INCREASE USING HEAT EXCHANGE

Aleksander Sergeevich Petrov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region
Georgiy Grigoryevich Soudakov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky 140180, Russia

ABSTRAKT

In this paper, a lifting body heat exchange method with external flow is proposed that uses upper-surface cooling and lower-surface heating and provides an assured increase in the lift-to-drag ratio. Analytical and computational investigations are carried out concerning the aerodynamic characteristics of a plate under zero angle of attack. The plate under these conditions has the lift and a nonzero lift-to-drag ratio. Computational results for the supercritical wing aerodynamic characteristics are also given, which completely confirm the analytical results concerning the influence of the heat exchange on the lift, drag, and lift-to-drag ratio.


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