turbulent motion
英 [ˈtɜːbjələnt ˈməʊʃn]
美 [ˈtɜːrbjələnt ˈmoʊʃn]
扰动；湍动；紊流运动
双语例句
- Turbulent motion refers to the process by which heat and moisture are transferred from the land or ocean surface to the lower atmosphere.
湍流运动指的是热量和水分从地表或海洋表面转移到低层大气中的过程。 - The system input in this case is turbulent air which produces random pitching motion of the vehicle.
在此情况下，系统的输入是紊流大气，它使飞行器产生随机俯仰运动。 - Large-eddy Simulation of Three Dimensional Turbulent Aeolian Motion and Numerical Simulation of Evolution of Sand Ripples; Uplift and erosion at last produced the desert landscape we see today.
三维湍流风沙运动的大涡模拟及沙漠地貌的数值模拟最后，地表抬升和侵蚀作用产生了我们今日所见的沙漠风貌。 - Study on Turbulent Motion in Engine Cylinder and Combustion Chamber Using Steady Flow Rig and Reflective Index Matching Technique
用稳流试验台和等折射率技术进行内燃机气缸和燃烧室中紊流运动的研究 - Lagrangian Model on the Turbulent Motion of Small Solid Particle in Turbulent Boundary Layer Flows
湍流边界层中固体小颗粒湍流运动的Lagrangian模型 - The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
通过频谱分析，考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响，并与壁面对固体颗粒运动的影响进行了比较。 - The study results show that, near the top of compression stroke, the turbulent motion is enhanced with the increasing in speed and throttling, enhanced with the decreasing in squeeze gap and compression ratio.
研究结果表明，在压缩上止点附近，缸内紊流运动随转速的升高、挤气间隙的减小以及节气门开度的增大而加强，但随压缩比的升高而减弱； - By making use of the rotating disc apparatus and macromolecular biocatalyst, the authors have studied the kinetics of calcite dissolution in CO2-H2O solutions with turbulent motion.
利用旋转盘实验装置和高分子生物催化剂技术，笔者研究了流动CO2-H2O系统中方解石溶解动力学及其控制机制。 - A mathematical model for the velocity field of vertical jet discharging into tidal flows is presented, in which the K-ε turbulent model is adopted for turbulence and the "motion"-rigid-lid approximation of the free surface is described.
选用k-（？）双方程湍流模式，对自由面做动刚盖假设，建立潮汐流场中垂向射流流场的数学模型。 - According to the turbulent kinetic energy equation, mechanism about production and development of atmospheric turbulence of boundary layer is analysed. From this, the extent of turbulent motion scale, and turbulent mixing length expression which has a clear physical meaning are derived.
并根据湍流动能方程分析了大气边界层湍流产生和发展的能量机制，以此为判据推导出了湍流运动的尺度范围和物理含意较为清楚的混合长表达式。 - The non-burning section when it is near the wellhead can be regarded as the burning flame of turbulent motion diffusion, and the non-burning section when it is far from the wellhead can be regarded as the pre-mixed burning flame of turbulent section.
当未着火段接近井口时可被视为紊动扩散燃烧火焰，而当未着火段远离井口时则可被视为紊流部分预混燃烧火焰。 - A Monte-Carlo method is used to simulate the turbulent electrostatic field with space correlation. Evolution processes of relative and absolute diffusions of charged particles in this turbulent field can be obtained by integrating equations of motion of the particles.
本文用Monte-Carlo方法模拟具有一维高斯型空间关联函数的湍动静电场，在此基础上通过积分带电粒子在该湍动电场中的运动方程，得到粒子系的相对扩散和绝对扩散的演化过程。 - According to the fact that the fluid in fluidized bed crystallizer is in turbulent motion, a turbulent mass transfer model was proposed by applying the multi-phase turbulent theory to crystal growth process.
根据流态化结晶过程的流体处于湍流运动的事实，将多相湍流理论应用于晶体的生长过程，建立该过程的湍流传质动力学模型。 - Experimental results indicate that Shannon entropy characteristic parameter can be used to better solve the problem of identifying flow regime transition of bubbling and turbulent motion.
实验结果表明，采用香农熵特征参数能较好地解决鼓泡与湍动2种流化状态转换的识别； - Turbulent motion could be regarded as the superposition of fluctuations with different scales.
湍流运动可看成是大小不同尺度的涡体运动的叠加。 - How to deal with the turbulent convection motion in stars is a very important problem in the theory of stellar structure and evolution.
如何处理恒星中的对流运动，是恒星结构和演化理论中一个极为重要的问题。 - We also emphasize the importance of Reynolds 'recognition that the turbulent motion of a fluid can be separated into the mean motion and fluctuation.
我们并着重说明Reynolds认识到湍流运动可分作平均运动与涨落运动的重要性。 - By aid of two-fluid model, a set of averaged turbulent motion equations for the fully-developed flow in a fast fluidized bed is developed.
借助于双流体模型建立了快速流化床内充分发展状态颗粒相与气相平均湍流运动方程组。 - Effects of turbulent structures on the motion of particles
湍流结构对粒子运动的作用 - In strongly swirling flow, due to interaction between centrifugal force and turbulent pulsation, adverse transfer of energy from turbulent pulsation to average motion is greatly increased.
由于离心力与湍流脉动的相互作用，强旋流动中能量由湍流脉动向平均运动的逆向传输得到了加强。 - Effect of turbulent dispersion on balance motion of PBL atmosphere
湍流的频散效应对行星边界层大气平衡运动的影响 - Although being superior over the other methods in terms of physical realism, the RANS methods, however, involve one major weakness-the effects of the turbulent motion of the mean flow are unknown and must be modeled.
尽管求解雷诺平均NS方程（RANS）是解决现代空气动力学问题物理上最可信的方法，但它也有一个缺点：平均流动中湍流脉动量的影响是未知的。 - Due to the gradual energy decay the free turbulent shear flow far downstream resembles the final stage motion of homogeneous isotropic turbulence.
具有剪应力的自由湍流到下游相当远的地点由于能量的逐渐耗损将衰变成为类似均匀各向同性湍流的后期运动。 - Increase the temperature of feed water can reduce viscosity and intensify turbulent motion, membrane flux increased as a result, but coupling salt transit dose increased at the same time which influenced treat effect.
虽然提高进水水温可以降低水的粘度，加剧水的湍流运动，从而增加膜通量；但同时也加剧了盐分的耦合透过量，影响处理效果。 - In these simulations the renormalization group κ-ε model are adopted to simulate turbulent fluid motion and the moment equations are introduced into the computing software through "User Defined Scalars".
计算中采用了重整化群κ-ε模型来模拟湍流运动，通过用户自定义标量将矩方程导入计算软件中同步求解。 - Turbulent is the most complex form in the motion of viscous liquid, except a small number of highly viscous and low speed fluid flow, the flow problem is almost turbulent flow in oil industry.
紊流是流体粘性运动中最复杂的形式，在石油工业中的流动问题，除了少数高粘低速流动外，绝大多数都是紊流流动。 - The subway tunnel fire is a disastrous phenomenon which contains the process of burning, turbulent motion and thermal transmission.
地铁区间隧道火灾是一种包含了燃烧、紊流流动和热传递过程的灾害性现象。 - Simultaneously turbulent flow mechanics and liquid/ solid two-phase flow theories are applied to establish turbulent flow dynamical equations of sewage and motion equations of filtering particles in the process of filtering.
同时还运用紊流流体力学和液固两相流的基本理论，建立过滤过程中污水的紊流流动方程和滤料颗粒运动方程，并针对实际过滤过程建立相应的定解条件和求解方法。 - The advanced ignition timing could result in higher fractal dimension because of the advanced combustion phase and stronger turbulent motion.
提前火花点火时刻由于可以获得更早的着火时刻和更强的湍流运动使得其燃烧过程中分形维数较大。 - The turbulent aircraft motion, beam pattern difference and frequency response difference which may degrade the coherence are discussed in detail.
首先详细讨论了引起相干性下降的三个主要因素：载机不平稳运动、天线方向图差异、通道频率响应差异。