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1 коэффициент сопротивления крыла
Русско-английский физический словарь > коэффициент сопротивления крыла
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2 удлинение
aspect ratio (ar)
(аэродинамического профиля)
отношение размаха профиля (крыла) к его средней хорде (рис. 137). — the ratio of the square of span of an airfoil to the total airfoil area, or the ratio of its span to its mean chord.
- (образца или детали под нагрузкой, вытяжка) — elongation
- (растяжение) — stretch
- (цилиндрического тела, напр., фюзеляжа) — fineness ratio
- болта — bolt elongation
-, большое (аэродинамического профиля) — high aspect ratio
профиль большого удлинения имеет относительно большой размах и малую хорду. — an airfoil of high aspect ratio is of relatively long span and short chord.
- вертикального оперения — vertical tail aspect ratio
- горизонтального оперения — horizontal tail aspect ratio
- крыла (относительное) (рис. 137) — wing aspect ratio
- крыла no трапеции — aspect ratio of tapered wing
- лопасти — blade aspect ratio
-, малое — low aspect ratio
профиль малого удлинения имеет относительно малый размах и большую хорду. — an airfoil of low aspect ratio is of relatively short span and long chord.
-, местное — local elongation
-, остаточное — permanent elongation
- фюзеляжа — fuselage fineness ratio
отношение длины фюзеляжа к его максимальному диаметру. — the ratio of the length of a fuselage to its maximum diameter.
-, эффективное — effective aspect ratio
применяется при рассчете индуктивного сопротивления крыла. — the aspect ratio of an airfoil of elliptical plan form that, for the same lift coefficient, has the same induced-drag coefficient as the airfoil, or combination of airfoils, in question.Русско-английский сборник авиационно-технических терминов > удлинение
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