槳葉阻力 的英文怎麼說
中文拼音 [jiǎngyèzǔlì]
槳葉阻力
英文
blade-disk force-
Blade profile drag coefficient
槳葉剖面阻力系數Under the condition of knowing the mass, stiffness, damping and the real vibration response of stem, the propeller pressure impulses of blade frequency are deduced, these belong to structure dynamics problem that is loading identification problem
摘要在已知船舶的質量、剛度、阻尼以及實測尾端振動速度的條件下,反推出螺旋槳葉頻激振力。The flight test of ec155 tells us that inter - blade dampers can work very well in stabilizing the system ; another advantage of this configuration is it can make the hub system simpler and reduce the drag of air to the hub which is very important for helicopters with 4 or more than 4 blades
Ec155的飛行試驗證明,這種減擺器布置方式對提高穩定性效果明顯;這種布置方式的另外一個優點是可以簡化槳轂,降低其氣動阻力,對多槳葉(四片和四片以上)直升機有重要意義。
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