查询词典 aerodynamics

Parachute is a kind of aerodynamics decelerator with rarious application.The experiment costs a great deal of money during the development of parachute.

降落伞是一种应用广泛的气动力减速装置，其试验费用在整个开发、研制费用中，占有很大的比例。

First, two fuzzy logic models of unsteady aerodynamics of oscillating delta wing were developed.

结果表明，所建立模糊逻辑模型的计算结果与实验数据结果符合较好。

Many natural phenomena and physical laws can be described by time dependent nonlinear differential equations, such as heat conduction equation, sound wave and elastic wave equation, reaction diffusion and convection diffusion equation, fluid and aerodynamics equations, etc.

大多数的自然现象与物理规律都可归结为与时间相关的非线性偏微分方程，诸如热传导方程、声波与弹性波方程、反应扩散与对流扩散方程、流体与气体力学方程组等发展方程。

He invented a large number of machines, among them an underwater diving suit. His flying devices embodied sound principles of aerodynamics.

除此之外，达芬奇的发明还涉及机械方面，这其中包括潜水服装和根据气体力学设计而成的飞行装置。

The aerodynamics characteristic of the innovative control surfaces which are implemented on the flying wing aircraft with large aspect ratio were introduced, and elevon and split rudder were involved. And the control effects on three axis were analyzed basing on computetional fluid dynamics method. The concept of control volume was imported to introduce parameters-based method of control surfaces design. The control effect requirements of the control surfaces were also evaluated. The original design of certain aircraft's control surfaces was modified.

介绍了在该新布局飞机上采用的升降副翼和开裂式方向舵等新型操纵面的气动特点，并在计算空气动力学的基础上分析了其三轴控制效率，引进舵容量的概念提出了操纵面的参数化设计方法，基于飞机的可控性对各新型操纵面的操纵效率需求进行了评估，最终对某型飞机的操纵面初步设计进行了修正。

In this dissertation, by applying the ideas of the mathematics mechanization, under the instruction of " AC=BD" theory of Professor Zhang Hongqing, we consider some methods seeking exact solutions to nonlinear partial differential equation arising from the fields of elasticity, fluid mechanics, aerodynamics, plasma physics, biophysics and chemical physics.

本文根据数学机械化的思想，在导师张鸿庆教授"AC=BD"理论的指导下，研究在弹性力学、流体力学、空气动力学、等离子体物理、生物物理和化学物理等现代科学技术中引出的非线性偏微分方程求精确解的方法。

The structure of flow field and the aerodynamics along with the inner energy excitation and the variable flow conditions were analyzed in details.

采用L-B碰撞模型，分析了内能激发松弛的流场参数特性，从分子碰撞、分子与飞行器表面碰撞的角度，分析了不同来流条件下的流场参数的变化情况。

Second, with unsteady aerodynamics, it is utilized for a three-dimensional wing with external store.

然后，采用非定常气动力，将此方法推广到工程实际中的三元机翼带外挂系统中，同样得到了满意的结果。

The huge front fairing and fishtail structure increases aerodynamics to cut through air resistance.

前面的巨大整流罩和鱼尾结构，提高空气动力学的穿过空气阻力。

Combining aesthetics and aerodynamics, three sorts of design parameters of headlamp modeling are summarized, based on analysis of the automotive forebody and headlamp modeling. A parametric design platform for headlamp is established, It is composed of the simplified model of flow field around automobile and the orthogonal experimental optimal algorithm.

结合美学、考虑汽车空气动力学，在分析汽车前部和车灯造型的基础上，总结出车灯造型的3类设计参数；建立了由"考虑美学与气动阻力的车灯造型汽车外流场数值分析简化模型"和正交实验优化算法组成的车灯造型参数设计平台。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。