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TsAGI Science Journal

ISSN Imprimir: 1948-2590
ISSN En Línea: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2019032577
pages 499-509

THE METHOD OF IMPROVING SPIN RECOVERY CHARACTERISTICS OF A TRAINING AIRCRAFT

Mikhail Alekseyevich Golovkin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky St., 1, Zhukovsky, Moscow Region, 140180, Russian Federation
Viktor Gerasimovich Gorbunov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Dmitrii Kalistratovich Drach
Yakovlev Design Bureau, Leningradskiy Prospect, 68, Moscow, 125315, Russian Federation
Andrey Aleksandrovich Efremov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russia
Vladimir Aleksandrovich Podobedov
Yakovlev Design Bureau, Leningradskiy Prospect, 68, Moscow, 125315, Russian Federation
Vladimir Grigorievich Tsipenko
Moscow State Technical University of Civil Aviation, Kronshtadskii Bul'var, 20, Moscow, 125993, Russian Federation

SINOPSIS

The aerodynamic solution of special shape extensions in front of the horizontal tail aimed at improving the characteristics of spin and spin recovery of a training aircraft is found. This solution enables the aircraft to recover from spin using different piloting methods which is especially important for training category aircraft. The results of the aircraft model tests in the vertical wind tunnel are presented. These tests include investigation of dynamically similar free-flying models and aerodynamic force and moment measurements using six-component strain-gauge balance at high angles of attack which were carried out with static and rotating models. The test results confirm and explain the efficiency of the suggested solution.

REFERENCIAS

  1. Mikeladze, V.G., Ed., General Purpose Aviation. Recommendations for Designers, Moscow: TsAGI Publishing House, 2001 (in Russian).

  2. Vozhdaev, E.S., Golovkin, V.A., Golovkin, M.A., and Dolzhenko, N.N., Control Methods of the Interaction of Vortex Structures with Aircraft Elements at High Angles of Attack, Uch. Zap. TsAGI, vol. 27, nos. 1-2, pp. 3-19, 1996.

  3. Chang, P.K., Control of Flow Separation: Energy Conservation, Operational Efficiency, and Safety, New York: Hemisphere Publishing Corp., McGraw-Hill Book Co., 1976.

  4. Vasin, I.S., Vozhdaev, V.S., Vozhdaev, E.S., Golovkin, V.A., Golovkin, M.A., and Muraviev, G.G., Vortex Systems at Spin Regime and Methods of Improving the Aircraft Spin Characteristics, Uch. Zap. TsAGI, vol. 37, nos. 1-2, pp. 34-45, 2006.

  5. Embraer Tucano, accessed from https://web.archive.org/web/20120425151747/http://www.sncorp.com/ pdfs/isr/TUCANO_product_sheet.pdf, 2019.

  6. Soon, C., Chernyshev, S.L., Chzhan, H., Golovkin, M.A., Chzhan, Ch., Gorbunov, V.G., Kuan, L., Gurtovoi, A.I., Jan, B., Demchenko, O.F., Drach, D.K., Jiafen, U., Efremov, A.A., Tsao, I., Matrosov, A.A., and Zhao, C., Device for Improving the Aircraft Spin Recovery, Russian Patent 2578838, filed December 24, 2014, and issued March 17, 2016.

  7. Vyalkov, A.V., Golovkin, M.A., and Efremov, A.A., Method of Determination of Aircraft Model Spin Characteristics and Device for its Implementation, Russian Patent 2410689, filed April 27, 2009, and issued January 27, 2011.

  8. Vyalkov, A.V., Inertial Technology of Wind Tunnel Spin Tests, TsAGI Sci. J., vol. 47, no. 5, pp. 537-552, 2016.


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