It has been proved that vortices transport heat more effectively than momentum, and gradient transport assumption is found to be valid for the turbulence field.
结果表明,在自由振动后的尾迹中,湍流脉动引起的能量输运能力比动量输运能力强,湍流的梯度输运假设与实验结果符合较好。
A uniform turbulence field with different intensities is generated in the body of water and is used to study the effect of turbulence on the rheo-logical behavior of the slurry.
通过格栅以一定振幅不同频率的往复运动,在水体中造成均匀的紊动场,来研究紊动对细泥沙浆液絮凝结构的影响。
A taut strip model experiment was performed to verify that the AAF dependent not only on the frequency, but also on the structures dimension and characteristic size of the turbulence field.
设计了拉条模型试验验证结构的气动导纳不单与频率有关,还与结构的特征尺寸、风场的特征参数有关。
The paper includes four parts: turbulence wind field model, the load of the wind turbine, the load distribution of wind turbine blade, the wind turbine reliability analysis.
论文包括四部分:紊流风场模型、风力机载荷分析、风力机叶片载荷分布、风力机叶片可靠性分析。
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.
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。
Using the turbulence model and discrete phase model of FLUENT, the flow field and the track of the ash in the centrifugal blower was simulated.
使用FLUENT软件,通过湍流模型和离散相模型对风机内部的二维流场和二维粒子运动轨迹进行了模拟。
First, in the field of atmospheric dynamics the developments in dynamics of diabatic waves and low frequency waves, the dispersive effects of turbulence and nonlinear atmospheric waves are reviewed.
在大气动力学领域,主要介绍了非绝热波和大气低频动力学、湍流的频散效应和大气非线性波动等方向的研究进展。
The numerical simulation of the unsteady flow field around an oscillating airfoil is difficult because of the complexity of turbulence models and numerical methods.
准确数值模拟机翼动态失速时非定常流场主要有湍流模型和数值算法两方面的难点。
Farther the GAO-YONG turbulence equations being able to gain real viscosity field in complex flow was proved.
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。
It is suggested as a mathematical approach in plasma turbulence theory and other field.
这为等离子体湍流理论甚至其他领域提供了一条新的数学处理途径。
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.
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。
The comparison results of CFD simulation and field tests show that the selected turbulence model can correctly simulate complicated airflow in the platforms.
CFD模拟结果与测试数据的比较表明,所选的湍流模型能正确模拟复杂的站台气流流动。
The atomization mechanism of hypergolic rocket propellant and decomposition combustion at high pressure and turbulence burning of premixed reactant flow field are considered .
数值仿真模型中考虑了自燃推进剂雾化机理、高压分解燃烧和预混反应流湍流燃烧等。
Aim Equating multilayer turbulence to single layer in order to provide the basis for the wide field of view adaptive system with mono conjugate correct.
目的将多层湍流用单层等效,为单层共轭校正宽视场自适应光学系统提供理论依据。
A finite element model was built to describe the temperature field in the tundish by using of turbulence theory.
利用湍流理论,建立中间包温度场的数学模型。
In this paper, autocorrelation, space correlation, and integral scale of turbulence were discussed, using theory of turbulence statistics and field observation data.
本文根据湍流统计理论和野外观测数据,详细分析了林带背风面湍流自相关、空间相关和湍流积分尺度特征。
Moving objects tracking in atmosphere turbulence is an important research task, and has broad applications in both military and unmilitary field.
大气湍流中运动目标跟踪是一个重要的研究课题,在军事、非军事领域有着广泛的应用。
Simulation of turbulence atomization jet in the air-water two phase flow field was performed.
对水在空气中湍动雾化射流的气液两相流场进行了数值模拟。
The Spalart-Allmaras turbulence model was applied to simulate the continuous phase flow field. The gas flow field characteristics were obtained.
首先采用S-A湍流模型对连续相流场进行数值模拟,得到了气相流场的特性;
It is assumed in the two-fluid model that the turbulent and non-turbulent fluids occupy the turbulent flow field intermittently and thus the "intermittency" phenomena of turbulence are simulated.
二流湍流模型假设湍流流场中的每一点为“湍流”和“非湍流”流体所交替占据,从而模拟了湍流的“间隙”现象。
The turbulence intensity is significantly higher near the hub and shroud than in the main flow field.
沿展向叶根、叶尖附近湍流度明显高于主流区。
According to the distribution of the turbulence kinetic energy and turbulence dissipation rate in the whole flow field, the mechanism of energy dissipation of stepped spillway is analyzed.
本文首次从紊动能和紊动耗散率在整个流场的变化规律出发,分析了阶梯的消能机理。
The influence of turbulence inhibitor on flow field in tundish has been studied by water modeling.
通过水力学模型实验,研究了中间包内流体流动的特性。
It was found that the maximum pressure produced by liquid sloshing is much larger than the initial static pressure and severe turbulence in flow field is produced upon sloshing.
结果发现,晃动所产生的最大压强远大于初始最大静压强,流场湍动剧烈。
The effect of the turbulence of the fan convection field and the position of the wind compen…
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
The effect of the turbulence of the fan convection field and the pos…
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
Restoration of atmospheric turbulence-degraded image is very important in the field of astronomical imaging and astroobservation. It needs to be solved as soon as possible.
大气湍流退化图像的复原在航天成像、天文观测等领域具有重要的地位,也是目前亟需解决的问题。
Restoration of atmospheric turbulence-degraded image is very important in the field of astronomical imaging and astroobservation. It needs to be solved as soon as possible.
大气湍流退化图像的复原在航天成像、天文观测等领域具有重要的地位,也是目前亟需解决的问题。
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