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TsAGI Science Journal

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

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2019032815
pages 521-536

COMPLEX EXPERIMENTAL TESTS OF THE LONGITUDINAL AERODYNAMIC CHARACTERISTICS OF THE CRM MODEL IN THE T-103 WIND TUNNEL BASED AT TsAGI

Diana Aleksandrovna Alieva
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
Igor Igorevich Grishin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Russia
Konstantin Anatolievich Kolinko
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia
Alexander Nikolaevich Khrabrov
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky str. 1, Zhukovsky, 140180, Russia

SINOPSIS

The results of complex experimental tests on the longitudinal aerodynamic characteristics of the NASA Common Research Model of a typical passenger aircraft are presented. They include static tests, forced pitch oscillations with large and small amplitudes and different frequencies, as well as free controlled motion with one degree of freedom in pitch with remotely deflected elevators. The results of mathematical modeling using the traditional linear mathematical model of the aerodynamic characteristics are compared with the experimental data. It can be concluded that a more accurate mathematical model of aerodynamics is needed to describe the nonlinear dynamic effects observed in the tests.

REFERENCIAS

  1. Belcastro, C.M. and Foster, J.V., Aircraft Loss-Of-Control Accident Analysis, in Proc. of AIAA Guidance, Navigation, and Control Conference, Toronto, Canada, August2-5, Paper No. AIAA 2010-8004, 2010.

  2. NASA, Common Research Model, accessed September 10, 2019, from https://commonresearchmodel.larc.nasa.gov.

  3. Mikeladze, V.G. and Tititov, V.M., Basic Geometric and Aerodynamic Characteristics of Airplanes and Rockets, Moscow: Mashinostroenie, 1990 (in Russian).

  4. Begovtshitz, V.N., Kolin'ko, K.A., Miatov, O.L., and Hrabrov, A.N., The Use of Linear Regression Method for Processing Data of Unsteady Aerodynamic Experiment, Uch. Zap. TsAGI, vol. 26, nos. 3-4, pp. 30-38, 1996.

  5. Zhuk, A.N., Kolin'ko, K.A., Miatov, O.L., and Hrabrov, A.N., Methodology of Investigation of Unsteady Aerodynamic Characteristics for Regimes of Separated Flows under Oscillations with High Amplitudes, Uch. Zap. TsAGI, vol. 27, nos. 3-4, pp. 51-58, 1996.

  6. Vyalkov, A.V., Grishin, I.I., Igtatiev, D.I., Kolin'ko, K.A., Svergun, S.V., Sudoruk, M.E., and Hrabrov, A.N., Dynamic Setup with Three Degrees of Freedom for Verifying in WT of Control Laws at High Angles of Attack, in Proc. of XXVII Science-Technical Conference in Aerodynamics, Volodarskogo, Russia, TsAGI, p. 88, April 21-22, 2016.

  7. Khrabrov, A.N. and Kravchenko, D.A., Computational Investigation of Unsteady Aerodynamic Characteristics of a Modern Airliner, in Proc. of 29th Congress of the International Council of the Aeronautical Sciences (ICAS 2014), St. Petersburg, Russia, Paper No. ICAS2014_0442, Sept. 7-12, 2014.


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