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cfd分析     
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  cfd analysis
     Optimization Design for Centrifugal Pump Impellers Based on Bézier Surface Molding and CFD Analysis
     基于Bézier曲面造型与CFD分析的离心泵叶轮优化设计
短句来源
     CA498 Diesel Engine Water Jacket CFD Analysis
     CA498柴油机冷却水套的CFD分析
     The CFD Analysis Modeling of Helical Air Passage of SL1126 Diesel Engine
     SL1126柴油机螺旋进气道建模及CFD分析
短句来源
     CFD Analysis of Two Different Cooling Water Jackets of YZ4108ZLQ Diesel Engine
     YZ4108ZLQ柴油机两种方案冷却水套的CFD分析
短句来源
     CFD Analysis of Cyclone Dust Removal
     旋风除尘CFD分析
短句来源
更多       
  cf d analysis
     Optimization Design for Centrifugal Pump Impellers Based on Bézier Surface Molding and CFD Analysis
     基于Bézier曲面造型与CFD分析的离心泵叶轮优化设计
短句来源
     CA498 Diesel Engine Water Jacket CFD Analysis
     CA498柴油机冷却水套的CFD分析
     The CFD Analysis Modeling of Helical Air Passage of SL1126 Diesel Engine
     SL1126柴油机螺旋进气道建模及CFD分析
短句来源
     CFD Analysis of Two Different Cooling Water Jackets of YZ4108ZLQ Diesel Engine
     YZ4108ZLQ柴油机两种方案冷却水套的CFD分析
短句来源
     CFD Analysis of Cyclone Dust Removal
     旋风除尘CFD分析
短句来源
更多       
  computational fluid dynamics analysis
     In this paper, the characteristics and analytic methods of computational fluid dynamics analysis of stirred vessels are reviewed, and the appropriate situations for different methods are also discussed.
     对搅拌设备CFD分析的特点和分析方法进行了阐述,论述了不同方法适用的场合。
短句来源
  “cfd分析”译为未确定词的双语例句
     Aerofoil Optimization of Fluid Machinery Based on CAD/CFD System
     基于CAD/CFD分析系统的流体机械翼型优化
短句来源
     Liquid Rocket Combustion Instability Analysis Methodology by CFD
     液体火箭发动机燃烧稳定性CFD分析
短句来源
     Based on the designed 0.4 m2 thin film evaporator,the influence of the structure parameters such as the clearance between blade and wall,number of blade,length-diameter ratio on the evaporation length(effective evaporation area) and the heating section film heat transfer coefficient was discussed using the CFD software CFX4.4 with different viscous liquid as feed liquid,which primarily laid a foundation for optimization design of thin film evaporator.
     以自行设计的0.4 m2薄膜蒸发器为模拟对象,采用CFD分析软件CFX4.4探讨刮板与筒壁间隙、刮板数、筒体长径比等结构参数对薄膜蒸发器内不同粘性料液的蒸发段长度(有效蒸发面积)和加热段膜内给热系数的影响,研究结果初步为薄膜蒸发器优化参数设计奠定基础。
短句来源
     Analysis of the Effects of Different Design Factors in the Catalyst Converter by CFD
     利用CFD分析催化转化器不同设计因素的影响
短句来源
     Compared with experimental data,the errors of the evaporator assembly outlet mean temperature and the inlet to outlet pressure drop were bellow 7.5% and 3.5% respectively.
     与实验结果相比,CFD分析的蒸发器出口平均温度的误差为7.5%,蒸发器总成进出口压降的误差为3.5%,表明该CFD模型可完全用于工程实际。
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  cfd analysis
To reveal the unsteady flow characteristics of a vaneless counter-rotating turbine (VCRT), a three-dimensional, viscous, unsteady computational fluid dynamics (CFD) analysis was performed.
      
This paper presents the comparison of a three dimensional Computational Fluid Dynamics (CFD) analysis with empirical performance data of a 0.6 m impulse turbine with fixed guide vanes used for wave energy power conversion.
      
2D CFD analysis and experimental analysis on the effect of hub to tip ratios on the performance of 0.6 m impulse turbine
      
The objective of this paper is to present the performance comparison of 2D Computational Fluid Dynamics (CFD) analysis with experimental analysis of 0.6 m impulse turbine with fixed guide vanes for both 0.6 and 0.7 hub to tip ratio (H/T).
      
Also the comparison of 2D CFD analysis of the said turbine with different values of H/T ranging from 0.5 to 0.7.
      
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  cfd technology
In order to obtain a better understanding of flow characteristics of displacement ventilation, the three-dimensional numerical models are developed using the CFD technology.
      
In this paper, 3D CFD technology is used to simulate the mixing and reactive flow of subsonic cross jet scheme at different conditions.
      
A number of the components of CFD technology are examined below.
      
CFD technology is well established in the aerospace and automotive industries and entered the chemical industries over the past decade.
      
However, the viscous unsteady CFD technology is in its infancy.
      
更多          
  computational fluid dynamics analysis
Computational fluid dynamics analysis of bioreactor mixing demonstrates the change in bioreactor mixing with increasing biomass concentration.
      
By decoupling the wind-structure interaction problem, firstly computational fluid dynamics analysis using two-dimensional model of the bridge deck section are carried out to evaluate the unsteady wind loads on the bridge deck.
      
The computational fluid dynamics analysis was conducted to examine the feasibility of vertical fluid flow operation using the fluid filter.
      
Computational fluid dynamics analysis of microbubble formation in microfluidic flow-focusing devices
      
Using a computational fluid dynamics analysis of a 2D model of a tilting disk mitral valve, we demonstrate that vortices may form in the vicinity of the inflow side of the valve.
      
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A neural network approach is proposed to search for a centrifugal compressor diffuser blade profile with a prescribed velocity distribution on its surface. The applied neural networks have a four layered feed forward structure. Blade profiles are determined via aerodynamic computation by constructing parameters such as the inlet and outlet diameter, the blade inlet and outlet angles, the height, and the blade numbers. A Computational Fluid Dynamics (CFD) solver is then applied to find the velocity distribution...

A neural network approach is proposed to search for a centrifugal compressor diffuser blade profile with a prescribed velocity distribution on its surface. The applied neural networks have a four layered feed forward structure. Blade profiles are determined via aerodynamic computation by constructing parameters such as the inlet and outlet diameter, the blade inlet and outlet angles, the height, and the blade numbers. A Computational Fluid Dynamics (CFD) solver is then applied to find the velocity distribution on the blade surface. The results are used with the help of the standard BP algorithm to tune neural networks. The new approach is validated through the design of a diffuser with two dimensional blade profile. Desired blade profile and velocity distribution are obtained.

提出了一种人工神经网络方法,用于在给定叶片表面速度分布条件下,求解离心压缩机扩压器叶片形线的逆命题设计.所使用的神经网络具有4层前馈网络结构.在扩压器叶栅基本结构尺寸(如进出口直径、进出口安装角、高度、叶片数等)由气动计算方法确定后,人为地构造一定数量的叶片形状,通过现有CFD分析程序,对其表面速度进行分析计算.将由此得到的叶片速度分布和叶片形状作为样本,采用标准BP算法对神经网络进行训练.实际平行直壁扩压器等厚叶片的数值实验表明,该神经网络经有限样本训练后,能成功地求解出满足给定速度分布的叶片形状

The turbulent flow through hydraulic turbine runner is simulated by using the body-fitted coordinates, the staggered grid system and the SIMPLEC algorithm in the present work. Calculated results are presented at the design operating condition for the runner, which give a valuable reference to improve the performance of the runner. Figs 7 and refs 7.

采用贯流式水轮机转轮内 CFD分析软件 ,对设计工况下转轮内部的三维紊流场进行了数值模拟 ,并增加了缝隙流的流动模型 ;基于 N -S方程和 K-ε紊流模型 ,应用贴体座标和交错网格系统 ,用 SIMPLEC算法对贯流式水轮机转轮内部的紊流进行数值模拟 ,得出其内部流场、压力场的分布情况及其水力效率和考虑缝隙的容积效率。最后将计算结果用 Tecplot7进行处理 ,分别用矢量图和等值线表示其内部的流动状态和压力分布 ,并将普通模型和缝隙流模型分析 ,比较得出结论。图 7参 7

A virtual experiment platform about virtual product development,analysis application in CFD and virtual experiment.Practice indicates that virtual experiment is introduced. platform is an important key of modern fan design method and virtual product development and it can meet the requirements of engineering applications.

介绍了通风机的虚拟产品开发、CFD分析应用和虚拟实验平台 ,用实例做了说明和分析。实践表明 ,虚拟实验平台是通风机现代设计方法和虚拟产品开发中的一个重要环节 ,可以达到工程普及应用的要求

 
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