
The paper deals with the problem of evaluating the constituents of the third order of roll moment smallness during supersonic flow at small angles of attack of bodies close to bodies of revolution. An expression is derived on the basis of the method of differential locality hypothesis, and the structure of the third variation of roll moment coefficient is analysed, its complete composition is defined. Integral expressions of seven constituents of the third variation are obtained, physical interpretation of each is given.
Рассматривается задача оценки составляющих третьего порядка малости момента крена при сверхзвуковом обтекании под малыми углами атаки тел, близких телам вращения. На основе метода дифференциальной гипотезы локальности (ДГЛ) получено выражение и проведён анализ структуры третьей вариации коэффициента момента крена, определён её полный состав. Получены интегральные выражения семи составляющих третьей вариации, дана физическая интерпретация каждой из них.
ГИПЕРЗВУКОВОЕ ОБТЕКАНИЕ, МАЛЫЕ УГЛЫ АТАКИ, МАЛЫЕ ВАРИАЦИИ ПОВЕРХНОСТИ, МОМЕНТ КРЕНА, МЕТОД ДГЛ
ГИПЕРЗВУКОВОЕ ОБТЕКАНИЕ, МАЛЫЕ УГЛЫ АТАКИ, МАЛЫЕ ВАРИАЦИИ ПОВЕРХНОСТИ, МОМЕНТ КРЕНА, МЕТОД ДГЛ
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