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- transient aerodynamic load 动态气动载荷
- Under the same relative velocity, two vehicles with slower absolute velocities have more transient aerodynamic influence on each other during the overtaking process. 在相同的相对速度下，绝对速度较低的两辆车在超车过程中产生的瞬态气动影响更大。
- One does this by redistributing the aerodynamic load along the wingspan or by incorporating the vortices coming off the horizontal stabilizer. 为了造成这种结果，一个办法是沿著翼展重新分配空气动力负载，或是设法利用机尾水平稳定翼所产生的涡流。
- It was found that it is feasible to use CFD to simulate the transient aerodynamic phenomenons and the aerodynamic coefficients of the cars change sharply like sinusoidal functions. 研究结果表明：对汽车进行瞬态空气动力学数值模拟是可行的；两车在会车前后的一段时间内气动力系数会有急剧的变化，有类似正弦函数形状的变化曲线；
- The down wash flow calculated in an example of a certain helicopter can be used for aerodynamic load calculation of blades. 最后以某直升机为例 ,将求出的诱导下洗用于桨叶气动载荷计算。
- An analysis of flight test results was conducted to explain the effects of winglets on aerodynamic load, control-stability and performances. 本文对翼尖小翼的飞行试验结果进行了分析,试图说明它对飞机的气动载荷、操稳特性及飞行性能的影响。
- Abstract: here is larger effect of flow angle-of-attack caused by highaltitude wind on aerodynamic load and flight environment in rocket flighting. 文摘:高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
- Abstract： here is larger effect of flow angle-of-attack caused by high altitude wind on aerodynamic load and flight environment in rocket flighting. 摘 要： 高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
- Thrust vectoring jet flow interferes the flow over aircrafts,drives its aerodynamic load to vary,and may potentially influence the controllability of aircrafts. 矢量推力喷流对飞行器绕流具有干扰作用,引起飞行器气动载荷变化,对飞行器操纵性也有潜在影响。
- transient aerodynamic characteristics 瞬态气动特性
- Traditional gust responses are mainly analyzed based on linear aerodynamic load calculations in frequency-domain,which is unsuitable for and the viscous and transonic flows. 传统的阵风响应主要在频域内进行分析,气动载荷基于线性方法计算,不能考虑黏性和跨声速流动影响。
- In this thesis, the aerodynamic load simulation of one type of helicopter airscrew is studied, and the system"s structure and its mathematic model are analyzed. 论文结合实际的工程项目,以某型号直升机旋翼气动载荷模拟为研究内容,对加载系统的组成、系统数学模型进行分析和研究。
- In the helicopter"s half-practicality simulation laboratory, load simulator is an important equipment to simulate the aerodynamic load acting on the airscrew while flying. 直升机的半实物仿真试验室中模拟旋翼在飞行中所受空气动力载荷的重要设备是负载模拟器。
- Using the risid body ballistic equations and considering a number of interference factors,maxdrium aerodynamic load of the wrap-around wings is calculated in accordance with the aerodynamic characteristics of the wings. 根据卷弧翼气动特性，引入各种干扰因素，利用刚体弹道方程计算出卷弧翼的最大气动载荷。
- The character of the intermediate case structure and load is analyzed in detail. Then the states of stress and strain of 38 aerodynamic load states, 141 maneuvering load states and combined load states are calculated with Finite Element Method. 详细分析了中介机匣的结构特点和载荷特点,用有限元法分别计算了 38 种气动载荷状态、141 种机动载荷状态以及气动与机动组合载荷状态下中介机匣的应力、应变状态。
- Lastly, the paper presents derivatives of the unsteady aerodynamic load with respect to design variables and investigates the optimum design subjected to flutter constraint by means of a feasible-direction method. 推导了非定常气动力和颤振响应参数对设计变量的导数,研究了颤振约束下的优化设计。
- The principal perturbing forces for launch vehicles, both on the launch pad and in flight, are the aerodynamic loads produced by winds. 发射飞行器在发射台上以及在飞行中的重要扰动力是由风产生的气动载荷。
- Divergence occurs when a lifting surface deflects under aerodynamic load so as to increase the applied load, or move the load so that the twisting effect on the structure is increased. 蒙皮是构成并保持机翼形状不可缺少的结构元件。
- The assumption is made that the changes in aerodynamic loading take place so slowly that the structure is at all times in static equilibrium. 假定气动载荷的变化相当慢以致于在所有时刻结构都处于静平衡状态。
- Q. So you enjoyed yourself, but do you think the public will have fun too next year with the aerodynamic loads and the slicks? 问：所以你很享受过程，但是你觉得大家下个赛季都会享受空气动力设置和光头胎么？
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
