查询词典 aerodynamic

Wind-induced vibration Fluid-structure interaction Added mass Aerodynamic damping Critical wind velocity

风致振动；流固耦合作用；附加质量；气动阻尼；临界风速

The results show, it have not so much difference of aerodynamic characteristic between titling train negotiating curve and traveling on level track under the conditions of no crosswind.

结果表明，在无侧向风作用的情况下，列车过曲线的空气动力学特征和直线上相似。

A two-dimensional Reynolds-averaged Navier-Stokes solver is applied to analyze the aerodynamic behavior of the ShockBoundary-Layer interaction of rocket with a booster. The K-ε turbulence model and a finite volume method in a unstructured body-fitted curvilinear coordinates have been used.

本文利用二维雷诺平均的Navier-Stokes方程，采用K-ε湍流模式，运用有限体积法，对大型运载火箭的助推器与芯级的激波边界层干扰进行了二维数值模拟。

Research shows that wind deflector installed on a van-body truck can reduce aerodynamic drag considerably as well as decrease fuel consumption.

研究表明，在厢式货车上安装导流罩，可以大幅度的降低气动阻力、节省燃料消耗。

In addition, the deflector can increase critical Reynolds number of the aerodynamic drag coefficient graph.

安装导流罩使得气动阻力系数曲线上的临界雷诺数增大；设置薄壁式的导流罩底边和驾驶室顶面之间的间隙，可以增强导流罩的减阻效果。

From the characteristics of aerothermoelasticity, the effects of temperature in aerodynamic heating on the mode of a delta wing and the characteristic of its flutter were researched.

根据热气动弹性特点，探讨了气动加热温度对三角机翼模态特性和颤振特性的影响。

The leading-edge vortex of delta wing can not only improve the wing's aerodynamic characteristics,but also affect its aeroelastic characteristics.

大迎角三角翼的前缘涡不仅可以改善其气动力特性，也会显著影响机翼的气动弹性特性。

The internal relation between a large number of existing aerodynamic sketches and performance parameters of centrifugal fan is analyzed and investigated by means of statistical method,the correspondence relation between speed coefficient and diametral quotient,impeller outlet breadth and diametral quotient is found.

应用统计的方法对大量已有离心通风机的空气动力学略图和性能参数之间的内在关系进行分析研究，发现了速度系数σ与直径系数δ之间以及叶片出口宽度b2与直径系数δ之间存在着对应关系，利用这些关系提出了确定风机叶轮主要参数的新方法。

An aircraft, especially a balloon or dirigible, deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.

浮空器从周围空气的浮力而不是从空气动力获得提升力的航空器，特指气球或飞船

An air craft,especially a balloon or dirigible,deriving its lift from the buoyancy of surrounding air rather than from aerodynamic motion.

浮空器从周围空气的浮力而不是从空气动力获得提升力的航空器，特指气球或飞船

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％。