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- In this paper, a semi-empirical prediction method of maximum lift coefficient at low subsonic speeds for wings/bodies with high aspect ratio is investigated. 本文研究了大展弦比机翼/机身低亚声速最大升力系数的半经验预测方法。
- Ratio of lift coefficient to drag coefficient. 升力系数与阻力系数的比值。
- Canard wing increases lift coefficient with the penalty of the increase of drag coefficient. 低于主机翼的鸭翼将加强前掠翼布局的缓失速特性。
- If the MAV with vertical rudder, the slope of lift coefficient will become larger. 目前已完成翼展20公分电动微飞行载具之试飞,飞行状况平稳。
- The lift coefficient can thus be effectively doubled with relatively simple devices (flaps and slats) if used on the full span of the wing. 该升力系数因此,可以有效地增加一倍,相对简单的装置(襟翼和缝翼) ,如果使用对充分跨度机翼。
- Cylindrical-Shaped Discis the only moving part. It is especially designed to produce maximum lift at minimum velocities. There are no wing guides to cause "spinning" with resultant rapid wear. 圆柱形阀瓣是唯一一个活动部件。这是一种能够在最小流速下产生最大提升力的基本结构。没有侧翼导轨,因此不会产生“旋转”合力从而加快磨损。
- The thickness ratio appeared to have little effect on lift coefficient at zero angle of attack, since the angle of zero lift was largely determined by the airfoil camber. 在迎角为零时,由于零升力主要由机翼中弧线决定,相对厚度对升力几乎没有影响。
- For instance, the development of the boundary-layer shape parameter can be prescribed on the upper surface to allow for maximum lift or extended runs of laminar flow, depending on the design requirements. 比如开发了边界层的形状参数;可以指定允许的最高表面上取消或延期举办层流、视乎设计要求.
- Cylindrical-Shaped Disc is the only moving part. It is especially designed to produce maximum lift at minimum velocities. There are no wing guides to cause “spinning” with resultant rapid wear. 圆柱形阀瓣是唯一一个活动部件。这是一种能够在最小流速下产生最大提升力的基本结构。没有侧翼导轨,因此不会产生“旋转”合力从而加快磨损。
- Experimental results show the algorithm gets good floorplan with lower maximum IR-Drop and average IR-Drop. 实验表明本算法取得一个较好的布图同时,能有效地降低最终布图平均电压降和最大电压降。
- angle of incidence of maximum lift 最大升力冲角
- frequency spectrum of lift coefficient 升力系数频谱
- We have different tons of cranes, with maximum lifting of 100T in main shop, can meet the requirements for machining, fabricating and assembling of our products. 我们拥有各种吨位的行车,其中主车间最大起吊能力100T,能够满足各种非标设备的加工、制作和装配要求。
- Numerical Calculation for Lift Coefficient of Rotating Circle Cylinder at Low Reynolds 低雷诺数下旋转圆柱升力系数数值计算分析
- QCs of No. 10 and No. 11, each could operate four 20'(ISO)or two 40'(ISO)/45' a time, are manufactured by ZPMC, The maximum height of the facilities is 121 m & maximum lifting height is 41 m. 此次新增的10号、11号双40尺桥吊是由上海振华港机集团股份有限公司制造,每台带有两台可伸缩式双箱吊具,可同时对四只20'(ISO)或两只40'(ISO)/45'集装箱作业。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- These tests would still be confined to zero or small lift coefficients and as has been made clear recently, the trends in design for supersonic aircraft have brought with them troubles. 这些试验仍会局限在零升力系数或小升力系数的情况之下,而且最近已经弄清楚,设计超声速飞机的趋向本身带来了困难。
- He because of bashful but low head. 他因羞愧而低下了头。