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- Article name
- Using of linear functional norm when assessing scale of variations of different aerodynamic coefficients of rotary bodies with small random surface distortions of composite thermal protection coating
- Authors
- KALASHNIKOV S. T., , src@makeyev.ru, Department of Fundamental Aerospace Technologies Problems of the Chelyabinsk Research Centre of the RAS Urals Branch, Miass, Chelyabinskaya oblast, Russia
SHVALEVA R. K., , src@makeyev.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Center"; South Ural Scientific Centre, Miass, Chelyabinsk Region, Russia
MOKIN Yu. A., , src@makeyev.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Centre"; South Ural Scientific Centre; Federal State Autonomous Educational Institution of Higher Education "SUSU" (National Research University), Miass, Chelyabinsk Region, Russia; Chelyabinsk, Russia
MOSHKIN I. Yu., , src@makeyev.ru, South Urals Federal Research Centre of Mineralogy and Geoecology of the UB RAS; Joint Stock Company "Academician V. P. Makeyev State Rocket Centre", Miass, Chelyabinsk Region, Russia
- Keywords
- supersonic flow / rotary body / composite thermal protection material / small random surface distortion / small attack angle / variation of aerodynamic coefficients
- Year
- 2019 Issue 3 Pages 5 - 8
- Code EDN
- Code DOI
- Abstract
- The paper reviews one of acute issues in the determination of aerodynamic coefficients of re-entry vehicles of rotary bodies with small random surface distortions of composite thermal protection coating - issue of assessment of variations scale of different aerodynamic coefficients and their derivative functional complexes with the first order of vanishing of the surface distortion value. It provides validated method used to assess of variations scale of aerodynamic coefficients on the basis of strict math term of norm of linear functional operator that allows to exclude possible influence of subjectivity components, when choosing different qualitative views of the surface variations or when schematizing them.
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