讨论了湍流场对离声波、电子朗缪波和低频漂移波的影响。
The effects of turbulence on the ion sounds, electron langmuir waves and drift waves have also been discussed.
液滴在各向同性均匀湍流场中散布的预测结果与实验十分符合。
The prediction of the droplet dispersion in isotropic turbulence is in reasonable good agreement with the experimental results.
分析外特性结果表明,湍流场数值模拟结果与理论值吻合较好。
Analysis results of external characteristic show that the simulation results of turbulent flow agree well with the theoretical value.
结果表明了陡峭地形和不规则海岸线对局地风场和湍流场影响很大。
The results indicate that abruptness terrain and irregular coasts greatly affect the local wind fields and turbulence fields.
通过改变燃气和空气进入燃烧室的速度和方向,改变燃烧室内的湍流场特性。
By changing the speed and direction of the gas and air entering the combustor, the character of the turbulent field in the combustor is changed.
本文应用谱分析理论研究了剪切湍流场中的压力脉动,包括功率谱、均方值等。
The pressure fluctuations in turbulent shear flows are investigated with the theory of spectral analysis.
笔者强调准确的湍流场数据库建立的重要性,它是定量描述和研究拟序结构的基础。
It is shown that the accurate database of turbulent fluctuations plays a significant role in the quantitative investigation of the structure patterns.
对于具有大量特征结构的复杂流场(如湍流场),人们往往只需对其中的主要特征进行研究。
Mostly, for those complex flow fields with numerous feature structures, such as turbulence flows, only a few important feature structures should be investigated.
本文采用直接数值模拟的方法,研究了颗粒惯性对均匀各向同性湍流场中被动标量混合特性的影响。
The influence of partial inertia on scalar mixing in homogeneous isotropic turbulent flows was studied using a direct numerical simulation (DNS) method.
结果表明,该模式比静力模式更能合理地模拟海岸边界层的风温场和湍流场,且模拟结果与实测更接近。
It is shown that this model can more reasonably simulate PBL wind, temperature and turbulent fields than the hydrostatic model in coastal areas.
为了研究固体燃料冲压发动机内部套管结构调节燃料流量的特性,对某模型发动机的湍流燃烧流场进行了数值分析。
In order to study the fuel mass flow rate regulation characteristics of tube-in-hole for solid fuel ramjet, the flow field of turbulent combustion was numerically analyzed.
本文采用雷诺应力模型计算了水力旋流器的水相湍流流场,计算结果与实验数据吻合很好。
The turbulent flow in a hydrocyclone is predicted numerically using a Reynolds stress model, and the numerical results agree well with experimental data.
采用雷诺应力模型对动态旋流器湍流流场进行模拟。
The turbulent flow field within dynamic hydrocyclone was simulated by means of RSM model.
本文研究了用三维粒子动态分析仪(PDA)测量气固两相湍流流场时固体粒子的选择问题。
How to choose the solid particles during gas-solid two-phase turbulent flow field measured by particle Dynamic Analyzer (PDA) is discussed in this paper.
用粒子成像测速技术(PIV)和稳态法分别测量均相流体在热管生物反应器中湍流时的流场、温度场;
The flow field and temperature field of the uniformity phase fluid were measured by PIV and the steadystate method during the state of onflow.
结果表明:大涡模拟技术可以得到发动机内湍流流场中详细拟序结构,时均湍流模拟对于火箭发动机内流场时均量的模拟仍有较好的工程精度。
It was shown that the detail construction of turbulence in rocket can be predicted by LES, and the time-averaged method also can give the result with satisfiable engineering precision.
由此提示,心瓣膜下游流场均匀性及湍流剪应力与瓣膜损害之间可能存在某种互为因果的关系,值得进一步研究。
This suggests that there might be a reciprocity between valvular lesion and flow field uniformity as well as turbulent shear stress, which should be further studied.
有界状态和极限集的存在性解释了量子场理论中混沌现象与湍流现象的内涵,并讨论了分歧现象与临界速度。
The existence of bounded states and limit sets are concerned in order to explain chaos and turbulence phenomena in quantum field theory. Bifurcation and two critical speeds are discussed.
分析已有实验数据表明:在温度场存在的气粒两相流中,两相流场的湍流强度和湍动能将会增加而横向速度将会减小。
The results showed that the turbulence intensity and turbulent energy of the two-phase flow increased while the transverse velocity decreased in the presence of the temperature difference.
催化剂的扩散与湍流扩散系数、风场分布相对应,水平扩散范围大于垂直扩散范围。
On the other hand, the diffusion is corresponded with coefficients of turbulent diffusion and wind distribution, the range of horizontal diffusion is greater than that of vertical diffusion.
被动标量场的统计性质,在湍流理论以及湍流燃烧、污染物防治等工程领域都有非常重要的意义。
The passive scalar statistics are important in turbulence theories and engineering problems related to turbulent combustion, pollutant diffusion and others.
研究进一步证明了GAO YONG湍流方程组能够得到复杂流动的真实粘性场。
Farther the GAO-YONG turbulence equations being able to gain real viscosity field in complex flow was proved.
通过采用一组预置协方差的随机数模拟雷诺应力来表示随机的湍流流场。
The stochastic turbulent field is represented by a set of random Numbers with a pre - set covariance simulating the Reynolds stress in a turbulent flow.
本文探讨了超声速平板横向喷流干扰湍流流场的数值模拟方法。
A numerical method of the supersonic turbulent flow on the flat plate interacted by supersonic lateral jet is presented in this paper.
在风浪槽中进行水气动量交换实验,测量了不同风速和风区下的波浪及空气湍流流场。
Wind waves and atmospheric turbulence were measured in the experiment of wind wave momentum transfer.
本文以涡流管内可压缩气体三维强旋转湍流流场为研究对象,采用数学分析和数值模拟方法对涡流管内流场结构进行研究。
This paper does research on the three dimensional turbulent flow fields of compressible air with highly rotation, using methods of mathematical analyze and CFD simulation.
为了认识湍流怒细粉碎机粉碎腔内的流场结构和流动状态,文中以湍流超细粉碎机的实验设备为基础。
In order to improve the processing results of superfine comminuting mill with turbulence, it necessary to cognize the flow field frame and flow state in the concave.
基于对模拟机理的认识,异型尖劈上部形状有助于模拟大比例模型试验要求的湍流风场。
Based on the knowledge of the mechanism, an improved spire shape has been proposed to simulate the required turbulence profiles for rather large scaled model tests.
基于对模拟机理的认识,异型尖劈上部形状有助于模拟大比例模型试验要求的湍流风场。
Based on the knowledge of the mechanism, an improved spire shape has been proposed to simulate the required turbulence profiles for rather large scaled model tests.
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