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- The measurements were carried out in the large-scale wind tunnel at low speed of 9 m/s.Presented data consists of profiles of mean velocity and Reynolds stresses. 实验结果表明,气流流出扩压叶栅出口后,吸力面和压力面的通道涡将在较长的距离内保持其形态和强度,但是尾迹的形成及尾迹在压力的作用下向吸力面方向的偏斜成为了这一阶段的主要流动现象。
- Predictions with the Reynolds stress model (RSM) were in reasonable agreement with experimental results measured by intelligent five-hole probe. 计算结果与用五孔探针测试的气相流场实验结果吻合很好。
- In the CGT region,the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear. CGT区域内雷诺应力与平均速度梯度呈非线性关系。
- In the CGT region, the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear. 逆压梯度时,湍动能负产生率区域不复存在,此时CGT区域从有到无,也是呈 先增大后缩小的趋势,并最终消失;
- L.Lebrere, B.Dillies, “Engine Flow Calculations Using a Reynolds Stress Model in the KIVA-II Code,” SAE Paper No. 960636. 罗治平,“单缸透明引擎数值模拟与紊流量测”,国立清华大学动力机械研究所硕士论文,1995。
- Abstract Based on Reynolds stress turbulence model,airflow fields within urban street canyons under different building heights were simulated. 摘要 应用雷诺应力湍流模型,模拟了不同高度比的城市街道峡谷的气流场。
- The internal flow field of hydrocyclone is simulated using LRR Reynolds stress model, applying SIMPLE arithmetic and basing on basic theory of hydrocyclone. 从油水分离旋流器流场分析的基本理论出发,采用LRR雷诺应力湍流模型,应用SIMPLE算法,对其内部流场进行了数值模拟。
- Variation of time average velocity and Reynolds stress before and after planting eichhornia crassipe in the watercourse is analyzed based on laboratory experiments. 通过室内试验。分析了在河道种植凤眼莲前后水流时均流速和雷诺应力的变化。
- The turbulent flow in a hydrocyclone is predicted numerically using a Reynolds stress model, and the numerical results agree well with experimental data. 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。
- Test results show that the eichhornia crassipe has influences on the time average velocity and Reynolds stress, and different cropping patterns have different influences. 试验结果表明,凤眼莲对各向时均流速和雷诺应力的分布影响明显,且不同种植方式的影响程度也不同。
- The mean velocity profiles, the RMS (root-mean-square) velocity profiles and Reynolds stress profiles calculated by the modified model are consistent with the results of DNS. 用修正后的模型计算出的平均速度分布、均方根速度的分布以及雷诺应力的分布,均与直接数值模拟(DNS)的结果吻合较好。
- The Launder &Ying algebraic Reynolds stress turbulent model with hybrid finite analytical method is applied to simulate the secondary current in the compound channel. 摘要采用L-Y雷诺应力模型,对水面和固壁边界条件进行有效的处理,结合混合有限分析法数值模拟了复式断面明渠二次流流动。
- Results show that the longitudinal velocity distribution fluctuates significantly, and that the relative turbulence intensity and Reynolds stress have a little increase. 结果表明,布设种植圈后,纵向流速分布波动明显,相对紊动强度和雷诺应力均略有增加。
- The Reynolds stress model was used to simulate the flow field during the filtration and back pulse process in the ceramic filter vessel containing three filters. 摘要用雷诺应力模型模拟了含有三根滤管的过滤器内过滤和反吹的整个过程的流场。
- Three-dimensional gas flow field in the new vortex quick separation system with an inner component of FCC disengager was simulated based on the Reynolds stress model (RSM) provided by CFX. 摘要用CFX软件对催化裂化沉降器新型旋流快分器的气相流场进行了三维模拟,湍流模型采用雷诺应力输运方程模型。
- The radial profiles of electrostatic Reynolds stress,plasma poloidal rotations,radial and poloidal electric field have been measured in the plasma boundary of the HL 1M tokamak using multi array Mach/Langmuir probes. 利用多组马赫 /朗缪尔探针测量了HL 1M装置刮离层和边缘静电雷诺胁强、等离子体极向旋转、径向和极向电场的径向分布。
- A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and Large Eddy Simulation model is used to calculate the Reynolds stress and turbulent diffusion effect. 摘要建立立面二维水动力学与水温耦合模型,用分步法求解流速和压力,采用大涡模型计算紊动应力和紊动扩散。
- The effect of swirl number on thermal No formation in swirling diffusion combustion is studied by numerical simulation, using the Reynolds stress equation turbulence model, EBU-Arrhenius combustion model and presumed-PDF NO formation model. 本文对旋流扩散燃烧进行了数值模拟,研究旋流数对热NO生成的影响,其中对湍流采用Reynolds应力方程模型,对燃烧采用EBU-Arrhenius模型,对热NO生成采用设定PDF的模型。
- In this paper,the radial profile of electrostatic Reynolds stress,plasma poloidal rotations,radial and poloidal electric field have been performed in the plasma boundary region of the HL 1M Tokamak using a multiarray of Mach/Langmuir probes. 利用多组马赫 朗缪尔探针测量HL 1M装置刮离层和边缘的雷诺胁强、等离子体极向旋转、径向和极向电场的变化。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
