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TsAGI Science Journal

Publication de 6  numéros par an

ISSN Imprimer: 1948-2590

ISSN En ligne: 1948-2604

NUMERICAL SIMULATION OF THE FLOW AROUND LANDSCAPE FRAGMENTS AND SOLUTION VERIFICATION

Volume 51, Numéro 6, 2020, pp. 641-650
DOI: 10.1615/TsAGISciJ.2021037822
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RÉSUMÉ

A significant number of air accidents occur during flight under high mountain conditions. This is due, in particular, to the underestimation of the danger of coherent vortex structures arising when the wind boundary layer flows around a mountainous relief. In this study, within the framework of the boundary value problem for the Reynolds-averaged Navier-Stokes equations, the flow around a landscape fragment is simulated. To set the boundary conditions correctly, model problems are solved, the correctness of which is proven. To verify the calculations, the maximum pressure principle and criteria proposed on its basis have been used.

RÉFÉRENCES
  1. Vyshinsky, V.V., Aircraft Vortex Wake, Flight Safety and Crisis of Airports, in Proc. of 21st Congress of the International Council of the Aeronautical Sciences (ICAS), Paper ICAS-98-6.5.1, Melbourne, Australia, Sept. 13-18,1998.

  2. Bobylev, A.V., Vyshinsky, V.V., Soudakov, G.G., and Yaroshevsky, V.A., Aircraft Vortex Wake and Flight Safety Problems, J. Aircraft, vol. 47, no. 2, pp. 663-674, 2010.

  3. Mikhailov, Yu.S. and Vyshinsky, V.V., Vortex Wake Safety-The Problem of Encountering Aircraft, Research Bulletin No. 9, Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, pp. 91-100, 1999.

  4. Anikin, V.A., Vyshinsky, V.V., Pashkov, O.A., and Streltsov, E.V., Using the Maximum Pressure Principle for Verification of Calculation of Stationary Subsonic Flow, Herald of the Bauman Moscow State University, Mech. Eng. Ser., vol. 6, pp. 4-16, 2019.

  5. Vyshinsky, V.V. and Sizykh, G.B., Verification of the Calculation of Stationary, Subsonic Flows and Presentation of Results, I.B. Petrov et al. (Eds.): GCM50 2018, SIST 133, pp. 228-235, 2019; Smart Modeling for Engineering Systems, in Proc. of Conference on 50 Years of the Development of Grid-Characteristic Method, Gewerbesrasse, Switzerland: Springer Nature Switzerland AG, 2019.

  6. Vyshinsky, V.V. and Sizykh, G.B., The Verification of the Calculation of Stationary Subsonic Flows and the Presentation of the Results, Math. Models Comput. Simul., vols. 1-19, pp. 97-106, 2019.

  7. Vyshinsky, V.V. and Sizykh, G.B., The Verification of the Computation of Steady Subsonic Flows and the Presentation of the Results, Math. Models Comput. Simul., vol. 30, no. 6, pp. 21-38, 2018.

CITÉ PAR
  1. Vyshinsky Victor V., Chinh Doan Cong, Study of aerodynamic characteristics of an aircraft during approach to landing in a disturbed atmosphere, Vietnam Journal of Mechanics, 2022. Crossref

  2. Сизых Григорий Борисович, Sizykh Grigory Borisovich, Общий принцип максимума давления в стационарных течениях невязкого газа, Вестник Самарского государственного технического университета. Серия «Физико-математические науки», 26, 3, 2022. Crossref

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