The new model is made out of eight panels, compared with the previous 14, and has special aerodynamic ridges on its surface.
新板的足球,与以往往的足球有所不同,其表皮不是由14块组成,而是8块组成,因而此种表皮的足球,其粘合处的凸脊具有特殊的空气动力学特征。
Based on the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.
在双塔楼风洞试验基础上,采用刚性模型表面风压积分法对双塔高层建筑气动力谱进行了研究。
Based on the calculation of aerodynamic flow field, overcooled water droplets trajectories and energy equation, surface temperatures of the anemometer under various conditions were obtained.
通过对空气流场、过冷水滴运动轨迹的计算和能量方程的求解,得到了多种状态下的风速管表面温度。
An aerodynamic heating simulation test was carried out on a metallic honeycombed plate and the transient surface temperatures of the heating and UN heating surface were obtained.
对某种金属蜂窝平板进行了模拟气动加热试验,测定了加热表面和非加热表面的瞬态温度。
Thermal stress in meteoroids by aerodynamic heating is calculated for the ideal case of an isotropic, homogeneous, elastic sphere being heated at the surface with a constant heat transfer coefficient.
对在一个各向同性、均匀的弹性球的具有恒定的热传导系数的球面上进行加热这一理想情况下,计算了陨星由于空气动力学加热而产生的热应力。
On military aircraft, hydraulic pressures of actuators caused by hinge torque vary with aerodynamic force on control surface due to different flight states.
飞机在不同的飞行阶段和飞行状态下,由于作用在控制面上的气动负载不同,因而由铰链力矩引起的液压作动筒压力也在变化。
The impact of shrub coverage and height on surface wind and aerodynamic parameters is systematically studied through field study and fixed observation.
通过野外实地调查和定位观测,系统研究了灌木林盖度和高度对地表风况及空气动力学参数的影响。
The aerodynamic forces on any control surface produce a moment about the hinge.
在任何操纵面上的空气动力均产生围绕其铰链轴的力矩。
The aerodynamic characteristic of moving aerofoil on the surface of inclined plate and of ordinary plane varies much.
在斜板表面和常规平板表面上运动的机翼的气动力性能有所不同。
The analytical results indicate that the control surface efficiency analyzed based on nonlinear experimental aerodynamic forces and linear theoretical aerodynamic forces are different.
研究表明:使用非线性试验气动力和线性理论气动力所分析得到的舵面效率具有较大的差别;
In the aerodynamics domain, the time-dependant aerodynamic force on the surface of the airfoil is computed by solving the unsteady Reynolds averaged Navier-Stokes equation.
在流体域的动网格上,通过求解非定常的雷诺平均N - S方程,计算出翼型表面的非定常气动力。
Based on the research above, this paper also does some research on the influence on aerodynamic characteristics of accessories and grooves on body surface.
在此基础上进一步就车身表面的附件和表面的凹槽对于局部气流、压力和对整车空气动力特性的影响进行了研究和分析。
The surface pressure distribution around the deck section has significant influence on the aerodynamic behaviour of the deck.
表面压力分布对断面的气动特性有着重要的影响。
An optimization method is used to obtain deflection Angle of control surface and the aerodynamic efficiency of airfoil is calculated.
用数值优化方法取得自适应翼型最优的舵面偏角,并计算其气动特性。
The span wise coherence function of the aerodynamic lifting force in the buffeting response of bridges is analyzed by using the lifting surface theory of airfoils.
利用机翼升力面理论分析了桥梁抖振升力沿跨向的相关函数。
In a modern aircraft, for example, the power boost controls amplify the force applied by the pilot to move the control surface against large aerodynamic forces.
例如在现代飞行器中,动力助推控制系统将飞行员的力放大以推动受到很大的气流作用的机翼表面。
The aerodynamic characteristics of an airfoil with a jet issuing from its lower surface are investigated by numerical method.
应用数值方法模拟了飞行器升力面下表面喷气的增升作用。
Some aerodynamic laws of aircraft flying near sea surface are given through the analysis of results calculated and tested on a typical configuration.
通过典型外形的计算、试验结果分析,提出了地效区内空气动力的一些规律。
A numerical method is presented for predicting unsteady transonic aerodynamic flow about aircraft wings with control surface.
本文介绍一种带操纵面机翼的非定常跨声速流的有限差分计算方法。
The analysis shows that the additional surface attached below the trailing edge is an effective aerodynamic means for suppressing the flutter of suspension Bridges.
分析表明,主梁下风侧附加翼板对悬索桥颤振是一种有效的气动控制措施。
Aerodynamic sensitivity for subsonic lifting-surface with arbitrary curved leading edge is evaluated by kernal function method.
具有任意曲线前缘的亚音速升力面的气动敏感性导数由核函数法给出。
Along with the deep development of study, the microjet technology will be possibly applied to control the aerodynamic flow of the high speed aircraft surface and the thrust vector of rocket engine.
并指出,随着研究工作的深入,该项技术还可望用于高马赫数飞行体表面气体流动控制、火箭发动机推力方向控制等。
In supersonic flow, results indicate that the disintegration of the jet column is caused by the surface waves induced by aerodynamic forces and the breakup point is at the wave trough.
结果表明:在超声速气流中,射流柱破碎是由迎风面的表面波引起的,破碎点位于表面波的波谷。
Give a new description of blend - Wing - Body (BWB) blend tolerance. Model surface plane grid for calculating both aerodynamic force and stealth.
提出了融合度描述方法,通过建立统一的表面面元模型分析计算融合对气动特性和隐身特性的影响。
The most common cable aerodynamic measures is enlace spiral and press pits on the surface.
目前最常见的斜拉索空气动力措施有螺旋线措施和凹坑措施。
The parametrization problem of the momentum, sensible heat and water vapour transfer over the near sea surface is discussed by means of the aerodynamic theory.
随后,利用空气动力学理论讨论了贴海面动量、感热和水汽输送的参数化问题。
The parametrization problem of the momentum, sensible heat and water vapour transfer over the near sea surface is discussed by means of the aerodynamic theory.
随后,利用空气动力学理论讨论了贴海面动量、感热和水汽输送的参数化问题。
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