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Некоторые задачи оптимального аэродинамического проектирования тел с минимальным теплообменом

Некоторые задачи оптимального аэродинамического проектирования тел с минимальным теплообменом

Abstract

Известно, что форма космического аппарата сильно влияет на его аэродинамические и тепловые характеристики. В данной статье представлены постановки и численные решения вариационных задач нахождения оптимальных форм плоских и осесимметричных тел с точки зрения минимума суммарного нагрева вдоль траектории полета. Полученные формы тел позволяют снизить тепловые потоки к поверхности на 20-50 %.

The spacecraft form is known to affect its aerodynamic and thermal characteristics strongly. This paper formulates and solves variational problems of finding optimal forms of flat and axisymmetric bodies from the standpoint of the minimum of the total heating along the flight trajectory. These body shapes allow the heat surface fluxes to be reduced by 20-50%.

Keywords

ОПТИМАЛЬНОЕ АЭРОДИНАМИЧЕСКОЕ ПРОЕКТИРОВАНИЕ, ВАРИАЦИОННЫЕ ЗАДАЧИ, НЕАДДИТИВНЫЙ ФУНКЦИОНАЛ, ТЕПЛООБМЕН, ЧИСЛЕННЫЕ МЕТОДЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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