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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.2017020669
pages 1-9

THE INVESTIGATION OF THE PREFERABLE INTERFERENCE OF A TRACTOR AND PUSHER PROPELLERS MOUNTED ON THE WING TIPS

Aleksandr Vyacheslavovich Kornushenko
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Oleg Valentinovich Kudryavtsev
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Leonid Leonidovich Teperin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia
Ludmila Nikolaevna Teperina
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia
Andrei Viktorovich Shustov
Central Aerohydrodynamic Institute, 1, Zhukvsky Str., Zhukovsky, 140180, Moscow Region, Russia
Farid Orfinejad
Moscow Institute of Physics and Technology, 9 Institutskiy Per., Dolgoprudny, Moscow Region, 141700, Russia
Myo Thein
Moscow Institute of Physics and Technology (MIPT), 9 Institutskiy Per., Dolgoprudny, Moscow Region, 141701, Russian Federation

ABSTRACT

The problem of tractor and pusher propellers mounted on straight wing tips is investigated theoretically and experimentally. The theoretical results are obtained using vortex models of a wing and a propeller in the framework of ideal incompressible fluid. The experimental measurements were carried out on a simple model of the wing–body configuration with two-blade propellers installed on the wing tips in the pusher or tractor positions. Both the theoretical and experimental investigations have shown that during the right rotation of the tractor propellers it is possible to attain induced drag reduction, which is equal to the increase in the thrust of the pusher propellers installed behind the trailing edge and in the same direction of rotation.


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