On problems of analyzing aerodynamic properties of blunted rotary bodies with small random surface distortions under supersonic and hypersonic flows

Autor:	Yu. A. Mokin, S. T. Kalashnikov, V. G. Degtyar
Rok vydání:	2017
Předmět:	Quantitative Biology::Subcellular Processes Surface (mathematics) Physics::Biological Physics Quantitative Biology::Biomolecules Hypersonic speed Random surface Dynamic problem Computer science Mathematical analysis Probabilistic logic Supersonic speed Aerodynamics
Zdroj:	AIP Conference Proceedings.
ISSN:	0094-243X
DOI:	10.1063/1.5007442
Popis:	The paper considers problems of analyzing aerodynamic properties (ADP) of reenetry vehicles (RV) as blunted rotary bodies with small random surface distortions. The interactions of math simulation of surface distortions, selection of tools for predicting ADPs of shaped bodies, evaluation of different-type ADP variations and their adaptation for dynamic problems are analyzed. The possibilities of deterministic and probabilistic approaches to evaluation of ADP variations are considered. The practical value of the probabilistic approach is demonstrated. The examples of extremal deterministic evaluations of ADP variations for a sphere and a sharp cone are given.
Databáze:	OpenAIRE
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