1)liftbody升力体
1.Through the numerical simulation of forced oscillation of liftbody by solving the (N-S) equations, the equilibrium gas effect on damping-in-pitch derivatives is investigated.通过数值求解N-S方程,模拟升力体外形的强迫振动过程,研究了平衡气体效应对带翼飞行器俯仰阻尼导数的影响。
2.The hypersonic flows of high angle of attack over liftbody-type are simulated by soving N-S equations with alternating direction implicit NND scheme.通过数值求解抛物化的椭圆型方程生成复杂外形三维网格;采用交替方向隐式分解的隐式NND格式求解全N S方程模拟"类升力体"外形在高超声速下的大迎角流动;采用张涵信发展的流动拓扑结构理论分析给出了"类升力体"外形垂直于体轴的横截面流线随迎角变化的拓扑结构;此外,通过计算发现:大于20°迎角后,在部分横截面背风对称线上出现结构不稳定的鞍点相连现象。
3.The hypersonic flows of high attack angle over liftbody-type were simulated by solving N-S e-quations with alternating direction implicit NND scheme.采用交替方向隐式分解的隐式NND格式求解全N-S方程模拟“类升力体”外形在高超声速下的大攻角流动,给出了“类升力体”外形表面极限流线随攻角变化的拓扑结构及40°攻角下垂直于体轴的横截面流线拓扑结构。
英文短句/例句
1.Study on Longitudinal Modeling for Integrated Centrifugal/Aero Force Lifting-body Hypersonic Vehicles综合离心力/气动力的升力体高超声速飞行器纵向运动建模研究
2.5. As the pressure rises, the volume of a gas decreases.气体体积随着压力升高而减少。
3.used to force a liquid up and expel it under pressure.使液体上升并在压力下排出的泵。
4.THE INTERFERENCE FACTOR OF VORTEX LIFT OF WING-BODY COMBINATIONS AT SUBSONIC SPEED亚声速组合体非线性升力干扰因子
5.Push forward the construction of credit system, to enhance corporate competitiveness;推进信用体系建设 提升企业竞争能力
6.The People s Livelihood News: the New Flames of Improving the Competition of Media;民生新闻:提升媒体竞争力的新亮点
7.Discussion on PE Teaching to Improve Students Social Adaptability;议提升学生社会适应能力的体育教学
8.Strengthening the awareness about audience and improving the public credibility of television media;强化受众意识 提升电视媒体公信力
9.Advancement of Individual Manpower:From the View of Education as Cultivation;个体人力的提升:教育以文化人的角度
10.On the Life-long Learning System of Overall Promotion Employment Ability;论全面提升就业能力的终身学习体系
11.Theory of the Construction of Supporting System of R&D Capability Improvement;论R&D能力提升的支撑体系的构建
12.Reflection on Improving the Sports Tourism Competitive Level in Henan Province;对提升河南省体育旅游竞争力的思考
13.Consumption Culture:Promote the Impetus of the Brand of Sports Product;消费文化:提升体育产品品牌的着力点
14.Enhancing enterprise competitiveness by creating learning organization;创建学习型组织 提升总体竞争力
15.Research on Promoting International Competitiveness of Our Sports Enterprises;提升我国体育企业国际竞争力的研究
16.A Probe into Influence of Sports on Advancing level of Human Resource;体育对提升人力资源水平的影响探讨
17.The Study on Lift Force and Dynamic Response Analysis of Cylinder圆柱体的涡激升力研究及其动力响应分析
18.To Display Activeness by Taking Control as Priority and to Improve the Ability of Taking Public Order Situation Under Control;“以控为先,体现主动” 努力提升驾驭治安局势能力
相关短句/例句
liftbody type类升力体
1.Finally,the numerical simulation results of liftbody type were shown under the conditions: M ∞=8 0,α=20°.最后给出了类升力体外形在M∞ =8 0 ,α =2 0°下的流场计算结果。
3)body lift艇体升力
4)lift of gas气体升力
5)hydrostatic lift液体静升力
6)lift-body升力体航天器
1.The problem of optimized reentry-trajectory design for lift-body was studied.研究了升力体航天器再入大气层的弹道优化设计问题,提出了过载约束条件下再入弹道的优化设计思路,给出了最优弹道随高度变化的绕速度轴滚转角大小的计算方法。
延伸阅读
升力又称“举力”。物体(如飞机)与空气相对运动时，作用于物体上的垂直于气流方向的力。机翼是飞机产生升力的主要部件，机身和水平尾翼也可产生部分升力。升力的大小取决于飞行速度、机翼面积和形状、机翼与气流的相对角度、空气密度等。
