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- Article name
- Simulation of small random deflections of a sphere-conic blunt composite material and their influence on aerodynamic characteristics of re-entry vehicles
- Authors
- SHVALEVA R. K., , src@makeyev.ru, Joint Stock Company "Academician V. P. Makeyev State Rocket Center"; South Ural Scientific Centre, Miass, Chelyabinsk Region, Russia
KALASHNIKOV S. T., , ofpat@mail.ru, South Urals Federal Research Center of Mineralogy and Geoecology UB of the RAS, Miass, Chelyabinsk Region, Russia
MOKIN Yu. A., , ofpat@mail.ru, South Urals Federal Research Centre of Mineralogy and Geoecology of the UB RAS, Miass, Chelyabinsk Region, Russia
- Keywords
- supersonic flow / Re-entry Vehicle / sphere-conic blunt / small random surface deflection / normal force / pitch moment
- Year
- 2022 Issue 3 Pages 3 - 9
- Code EDN
- LDDWKJ
- Code DOI
- 10.52190/2073-2562_2022_3_3
- Abstract
- The article considers one of the most topical issue of the definition of aerodynamic characteristics of re-entry vehicles (RVs) with axisymmetric bodies and small random surface deflections - simulation of small random deflections of a blunt surface. The paper presents a scheme used for simulation of small random spatial deflections of RV sphere-conic blunt noses that ensures high representativeness of variations of the RV aerodynamic coefficients estimated on its base. The paper provides examples of estimated influence of small blunt deflections on aerodynamic characteristics of a thin long cone with a half angle qs = 5o for Mach number M¥ = 20.
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