查询词典 aerodynamic

The emphasis of this paper is attached on the aerodynamic performance of the stationary components such as vaneless diffusers and crossovers and their influence on the total aerodynamic performance of the whole machine.

研究结果表明，多级离心压缩机的性能不仅决定于各级动叶本身的气动性能，而且受级间静止部件的气动性能影响较大。

The final coated particle exiting from the condenser is then introduced into the aerodynamic particle sizer spectrometer or home-built aerosol laser time-of-flight mass spectrometer, and its aerodynamic size directly effects on the matrix to analyte molar ratio, which is very important for MALDI technique.

利用自行研制的蒸发/冷凝实验装置作为基质辅助激光解吸/电离飞行时间质谱仪的特种接口，通过冷凝方式在线添加基质，冷凝管出口处的最终粒子直接引入空气动力学粒径分析仪或自行研制的飞行时间质谱仪，可对实验室产生的生物气溶胶粒子进行实时检测。

According to the characteristics of wind field on bridge, WAWS method is utilized to simulate the fluctuating wind velocity time history. Based on the quasi-steady aerodynamic forces theory, the expressions of the aerodynamic forces acted on per length of the whole bridge deck are introduced.

然后根据本桥梁所处风场特点，利用谐波合成法模拟了该桥梁上的脉动风速时程，基于准定常气动力理论，给出了作用在整个桥梁主梁单位长度上的气动力表达式，并对模拟的结果进行了检验。

In order to reveal the effects of the longitudinal spacing between the vehicles and vehicle number in platoon on the aerodynamic drag coefficient of vehicle platoon,the numerical simulation method was used to study the aerodynamic characteristics of 11 cases of a serial vehicle platoon in the intelligent transport system.

为了研究队列行驶时，车辆前后间距对队列行驶车辆气动特性的影响以及队列中车辆数目对气动阻力系数的影响，采用数值模拟方法分别对智能交通系统中队列行驶车辆11种不同情况下车辆的气动特性分别进行了研究。

Aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.

基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。

The said tunnel will mainly be used to evaluate aircraft stalling/tail shaft performance, and to do complicated aerodynamic stability research in the recovery process of recoverable satellite and manned spacecraft as well as aerodynamic research in other related fields.

这座立式风洞投入使用后，主要用于飞机失速／尾旋性能评估、返回式卫星和载人飞船回收过程中复杂的空气动力稳定性研究，以及其它相关领域的空气动力研究。

By computational fluid dynamics technique, the aerodynamic performances of different types of twisted blades are numerically investigated in the design and on the off-design operating conditions. The aerodynamic performances of the enlarged model fans in self-stimulated domain are compared with that of the micro-scale fans in non-self-stimulated domain.

通过计算流体动力学技术，对利用该方法所设计的各种形式扭叶片的气动性能及其变工况时的气动特点进行了数值研究，并比较了工作于自模区与非自模区风扇的气动性能差异。

The dynamic meshing technique was adopted to realize the 3-D transient numerical simulation of vehicle overtaking process in order to study the influence of relative velocity and absolute velocity on the aerodynamic characteristics of the overtaking and overtaken vehicles during the overtaking process.

为了研究超车过程中相对车速和绝对车速对汽车气动特性的影响，采用动网格技术实现了超车过程的三维瞬态数值模拟。

And Acadia's aerodynamic design, efficient V-6 and the new six-speed automatic work together to provide efficiency.

而阿卡迪亚的空气动力学设计，有效的V - 6和新的6速自动携手合作，提供效率。

The profile of the Acadia is sleek and aerodynamic, with a sporty, tapered roof line.

阿卡迪亚的文件是光滑和空气动力学，与运动，锥形的车顶线。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。