
The results of calculations of the heeling moment coefficient at supersonic and hypersonic flow-past with small angles of attack of the blunted cone with the elliptical cross-section of the stern were presented. Changing direction of the heeling moment of sloping air-cooling during transition from the supersonic flow-past to the hypersonic one was shown. The analysis of mechanism and evaluation of the existence region for the effect was carried out. Peculiarities of the heeling moment behavior related to this effect were considered. The criterion which characterizes the direction of the heeling moment locally was described.
Представлены результаты расчетов коэффициента момента крена при сверхзвуковом и гиперзвуковом обтекании с малыми углами атаки затупленного 10° конуса с эллиптическим поперечным сечением кормовой части. Показано наличие смены направления момента крена косой обдувки при переходе от сверхзвукового обтекания к гиперзвуковому. Проведены анализ механизма и оценка области существования указанного эффекта. Рассмотрены связанные с ним особенности поведения момента крена. Описан критерий, локально характеризующий направление момента крена.
ГИПЕРЗВУКОВОЕ ОБТЕКАНИЕ, МАЛЫЕ УГЛЫ АТАКИ, ЗАТУПЛЕННЫЙ КОНУС, ЭЛЛИПТИЧЕСКОЕ СЕЧЕНИЕ, МОМЕНТ КРЕНА
ГИПЕРЗВУКОВОЕ ОБТЕКАНИЕ, МАЛЫЕ УГЛЫ АТАКИ, ЗАТУПЛЕННЫЙ КОНУС, ЭЛЛИПТИЧЕСКОЕ СЕЧЕНИЕ, МОМЕНТ КРЕНА
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