查询词典 wind tunnel

In this paper, the problems mentioned above are studied by both wind tunnel experiment and numerical simulation to improve the knowledge about aeolian grain transport, and impel the development of this subject.

因此，本文通过风洞实验和数值模拟对以上问题加以深入研究，以深化对风成地表颗粒物输运规律的认识，推进学科的发展。

The static aerodynamic force coe6icients of typical bridge sections are also measured through wind tunnel tests.

本文综合比较了中国、日本等国有关桥梁；风荷载的规范，从中找出了中国桥梁风荷载规范的不足之处。

Base on the systematically geological investigation and study, we choose to use aremote sensing data source,the geography control data source(1:50,000relief map of Qiaojia and measured GPS ) as the data source of this research, adopt"Digital Landslide"processing image data, and carry on time-space analysiscombining geological investigation and related data. Application aerodynamicist theories, some important conclusions that obtained from the wind-tunnel experiment,and according to the time –space analysis result, we analyzed the landslide dammingmovement mechanism, presumed the movement format of this high-speed landslide,studied the formation mechanism and the movement characteristic of this landslide ,calculated it's movement equation, applied VC language to write calculationprocedure of each stage of the landslide, computed movement speed and displacement,and made sure its possible stop district.

本文在前人研究的基础上，选用遥感数据源、地理控制数据源(1：5万巧家幅地形图及实测GPS点)为本研究的数据源，采用"数字滑坡"技术处理图像数据，结合野外实地考察及相关资料对石膏地滑坡进行了时空分析；运用空气动力学理论，采用胡厚田等人在风洞实验中得出的许多重要结论，根据时空分析结果分析滑坡的运动机理，推测高速滑坡的运动模式；研究石膏地滑坡的形成机理、运动特征及运动方程，并用C++语言在VC开发环境中编写滑坡各阶段的计算程序，计算滑坡的流动速度及运动位移，确定其可能的停止区域。

Having spent 600 hours in the wind tunnel, the car is said to have better aerodynamics and improved efficiency.

在花了600小时的风洞，汽车是说有更好的空气动力学性能和提高效率。

To discuss the rule of orientation sensitivity for propeller anemometer, wind tunnel experiment method and numerical simulation method are used to study the change rule of its measured values under different measuring angles.

中文摘要：为探讨叶轮式风速计的方向敏感性规律，采用风洞试验和数值模拟两种方法研究在不同测量角度下叶轮式风速计测量值的变化规律。

It is an approximate theoretic method with simular result to the data of wind tunnel test .

该方法是一种近似理论方法，其结果与风洞试验数据很接近。

Both single and double-stable limit cycle flutter states are found in wind-tunnel test. And the conclusion is proofed that the equivalent linearization based on the second order asymptotic solution of KBM method is more accurate than that based on the first order one, which is equivalent to the conventional harmonic balance method.

风洞实验时，吹出了单、双稳定极限环颤振情形，并验证了基于KBM二次渐近解的当量线化分析比KBM法一次渐近解的当量线化分析要精确一些的结论。

To get the axis of the crankcase hole and the axis of the cylinder boring at the best angle (90 degrees) you will have to make an assumption about the temperature difference of the exhaust side and the opposed side or measure it in a wind tunnel.

得到的主轴，曲轴箱孔和轴的气缸镗在最好的角度（ 90度），你将不得不作出一个假设有关温差排气方和反对方或措施，它在一个风洞。

Using space technology to solve the low-temperature wind tunnel broken.

用航天低温风洞技术解决了破壁。

Air circulation of the low-temperature preservation of space technology, and broken wind tunnel technology is not the monopoly of the copy.

气环流的保鲜技术以及航天低温风洞破壁技术的垄断是不可仿造的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。