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drag coefficient中文是什么意思

  • 电力系数
  • 牵引系数；阻力系数
  • 牵引阻力系数
  • 拖曳系数
  • 曳拉系数
  • 曳力系数
  • 曳引系数
  • 拽力系数
  • 阻力系数

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  • 例句与用法
  • The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0 . 88 % and the deviation of the most surface pressure data is within 1 % , it illustrates the test data is reliable
    重复试验的数据分析表明，空气阻力系数数据的最大偏差小于0 . 88 ，绝大部分测压试验数据的偏差均在1以内，这说明客车模型风洞试验数据的精度较高。
  • The relationship between the non - dimensional drag coefficient of sma plate face and time is presented , and the pressure distribution on and around the sma plate surface as well as the karman vortex configuration in the wake at a certain time are given
    给出了形状记忆合金薄板表面的流体无量纲阻力系数随时间的变化关系，同时给出了某一时刻薄板表面及其周边的压力分布和薄板尾迹中的卡门涡街形态。
  • The main results are as follows : 1 ) it is a obvious effect of wave on the wind drag coefficient . the wind drag coefficient can be add up to 1 . 5 times of origin value when we consider the wave effect on the drag coefficient . it also has changed the sea level
    主要成果如下： 1 、波浪对表面拖曳系数的影响是明显的，特别是在浪大的时候，拖曳系数可以增大到原来的1 . 5倍；拖曳系数的改变也改变了水位场，在a点引起的增水量级值得人们注意。
  • In the thesis the low drag - low noise optimization of the vehicle main form design is realized , main accomplishments are as follows . researched the knowledge of drag and flow noise , the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method . the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved , then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization
    主要研究内容和成果如下：对航行器绕流流场进行分析，深入研究了阻力和流噪声产生机理，建立了阻力系数和自噪声的评估数值计算模型；采用物面分布源汇法和边界层动量积分法对绕流流场的流体动力参数进行计算，改进了转捩区长度和边界层位移厚度的计算，应用于航行器头部驻点自噪声的计算；最后设计了阻力系数和自噪声数值计算程序模块。
  • The paper researches the transient time precision and the following problem of the results developing with time for 2 - d high order blocking and matched method , at the same time , anlysing the stability of high order methods including boundary conditions . the results show that the domain decomposition and matched method using high order method can follow the time developing solution of taylor problem well , the computation result of the flow over a single or two tandem arranging circular cylinder agree the experiment and others " results well , moreover , the panting results of lift and drag coefficient are better than others
    本文利用高精度分块耦合求解方法，对其瞬态时间精度和非定常时间发展解的跟随性问题进行了研究，同时也对包含边界条件的线法高精度格式的稳定性也作了分析，研究结果表明高精度的分块耦合求解方法可以很好地跟随taylor问题的时间发展解，与单圆柱绕流和双圆柱绕流的实验结果比较以及他人结果比较符合很好，对升阻力系数在涡脱落时的脉动问题的结果优于他人结果。
  • The optimized shape in the parameter range was obtained . in order to studied the lightcraft ’ s flight performance , the 3 - d lightcraft aerodynamic performance research at different altitudes , velocity and angle of attack were simulated . in subsonic situation , the drag coefficient was reducing with the angle of attack increasing , but in supersonic situation , the drag coefficient was increasing with the angle of attack increasing
    分析了激光推进技术的基本原理及其特点,对光船的气动性能进行了数值模拟,在流场分析的基础上,对光船的头部外形进行了优化,并给出了参数变化范围内的优化外形;为了进一步研究光船的飞行性能,对不同高度、不同速度和不同攻角等飞行条件下的三维光船气动性能进行了数值研究,研究表明:在亚声速情况下,阻力系数随攻角的增大而减小;超声速情况下,阻力系数随攻角增大而增大。
  • Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft , and the aircraft flight envelope change of iced and un - iced situation was computed , and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it , and the longitudinal and lateral stability and the elevator , aileron and rudder step response were also studied and simulated
    根据这些参数计算了飞机结冰后阻力系数以及典型气动导数的变化，并计算了结冰前后飞机的飞行包线；同时对结冰前后飞机的纵向、横侧动稳定性以及升降舵、副翼和方向舵阶跃操纵响应进行仿真计算。
  • According to the character of outer shape of modem buses , the numerical calculations are performed from the simplest shape - cuboid by using ansys / flotran software . first , the foreside of the cuboid is modified step by step in 17 models ( this is equal to the process of modification to the foreside of a bus ) . second , the afterbody of the cuboid is modified step by step in 9 models to model flow wake at rear end and get the drag coefficients and lift coefficients in different aterbodies
    在本文中，应用ansys flofan软件，根据现代客车外形的特点，从最简单的长方体开始进行数值模拟计算，首先对长方体的前部进行逐步改造(相当于对一个客车头部进行改造的过程) ，这一步骤包括了17个模型；然后再对其尾部进行变化，以模拟客车后车体形状对空气阻力系数的影响，该步骤包括9个模型：最后给出两种现代客车的数值模拟结果。
  • 更多例句：  1  2  3
  • 英文解释
  • the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body
    同义词：coefficient of drag,

  • 其他语种释义
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Last modified time:Sun, 17 Aug 2025 00:29:56 GMT

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