An estimate of the heat fluxes to the surface of blunt bodies moving at hypersonic velocity in the atmosphere |
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| Affiliation: | 1. Department of Physics and Astronomy, University of Western Ontario, London, Canada N6A 3K7;2. Centre for Planetary Science and Exploration, UWO, London, Canada N6A 5B7;1. Astronomical Institute of the Czech Academy of Sciences, CZ-25165 Ondřejov, Czech Republic;2. SARM - Romanian Society for Meteors and Astronomy, Str. Tineretului nr.1, Târgovişte 130029, Romania;3. Astronomical Institute of the Slovak Academy of Sciences, SK-05960 Tatranská Lomnica, Slovakia;1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, China;2. Representative Office of 8610 Factory, Yichang, Hubei 443000, China;1. Department of Physics and Astronomy, University of Texas at San Antonio, United States;2. Space Science and Engineering Division, Southwest Research Institute, San Antonio, Texas, United States;3. Université de Toulouse; UPS-OMP; IRAP; Toulouse, France;4. Université de Franche-Comté, Institut UTINAM, CNRS/INSU, UMR 6213, Observatoire des Sciences de l׳Univers de Besançon, France;5. Institut de Mécanique Céleste et de Calcul des Ephémérides, UMR8028, 77 Avenue Denfert Rochereau, 75014 Paris, France;6. Finnish Geodetic Institute, Masala, Finland;7. Department of Physical Methods and Devices for Quality Control, Institute of Physics and Technology, Ural Federal University, Yekaterinburg, Russia;8. Department of Computational Physics, Dorodnicyn Computing Centre, Russian Academy of Sciences, Moscow, Russia;9. Institut Supérieur de l׳Aéronautique et de l׳Espace, Université de Toulouse, France;10. Jet Propulsion Laboratory, Pasadena, California, United States;11. Université Paris-Sud XI, CNRS, Laboratoire IDES, UMR 8148, 91405 Orsay, France;1. Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia;2. ESA European Space Research and Technology Centre, Noordwijk, The Netherlands |
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| Abstract: | ![]()
The problem of the chemically equilibrium three-dimensional boundary layer on a blunt body which is in motion in the atmosphere is considered. A solution of the system of equations of the boundary layer is found by the method of successive approximations, and simple analytic expressions are written in the first approximation for the surface friction and heat flux coefficients. Formulae are obtained in the final form for estimating the convective heat flux in the neighbourhood of the critical point of spherical blunting. |
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