An Investigation on Heat Transfer Characteristics of Fully Developed Flow in Bilaterally Heated Narrow Annuli 双侧加热环形窄缝通道内单相水的流动传热特性研究
Direct numerical simulation of a fully developed turbulent channel flow 平板通道内充分发展湍流直接数值模拟
Numerical Simulation and fRe's Correlation for Fully Developed Flow of Power Law Fluid Through a Rectangular Duct 幂律流体在矩形通道中充分发展流动的数值模拟及阻力计算
Near-Wall Structure in a Fully Developed Turbulent Pipe Flow 圆管湍流的近壁涡结构
Numerical simulation of fully developed laminar flow of gas in rectangular microchannels 微小矩形通道内气体充分发展层流流动的数值模拟
Scaling Exponents in Fully Developed Asymmetric Channel Flow 完全发展的非对称槽道湍流的标度指数研究
The work had been carried out can be summarized as follows: 1. On the assumption of the "staggered array of the fibers", the" fully developed periodic flow "model was established. 在纤维交错排列矩阵的假设基础上,建立了充分发展的周期性流动计算模型。
Computation of Fully Developed Flow in an Orthogonally Rotating Pipe 旋转管内充分发展流的数值计算
Periodically fully developed fluid flow and heat transfer in a two dimensional passages are numerically analyzed for constant property laminar flow. 对常物性流体在通道内的周期性充分发展层流流动和换热特性进行了二维数值计算分析。
The effect of roughness on particle motion in the recirculation zone is weaker than that in the fully developed flow region. 壁面粗糙度对流场中不同位置处颗粒运动影响的强弱不同,其中逆流区处较弱,下游处较强。
Turbulent intensity distribution depends on Reynolds number though the later is enough to establish a fully developed flow. 实验结果证明,即使在完全发展的湍流状态下,湍流强度沿径向分布仍与Re数有关。
Characteristics of fully developed laminar water flow in two kinds of periodically converging-diverging channels 两种渐扩渐缩通道内周期性充分发展层流流动的研究
Two kinds of fluid systems all were steady uniform and fully developed turbulent flow in the smooth region. 两种流体系均为充分发展的恒定均匀的光滑紊流。
Numerical Simulation on Convective Heat Transfer of Fully Developed Laminar Flow in Wave-like Fin Tubes 纵向波纹内翅片管中层流充分发展对流换热的数值模拟
The model is built on the assumption that the bottom wall of the channel is in uniform heat flux while the other three walls are adiabatic, and that the flow and heat transfer is of the hydraulic and thermal fully developed laminar flow of the incompressible fluid. 在分析模型中,假定矩形槽道底面定热流加热,其余三面绝热,流动和换热均为充分发展,且处于滑移流动区。
Numerical Simulation of Fully Developed Fluid Flow and Heat Transfer in a Spiral Finned Tube 螺旋内翅片管内充分发展流体流动与传热的数值分析
This paper derives the fully developed laminar flow velocity in rectangular ducts, and then discusses the volumetric flow rate, the friction factor and the pressure drop and so on. 本文利用变分方法推出了矩形管道中完全发展段层流流动的速度,继而讨论了矩形管道中的流量、沿程阻力系数和压力损失等。
The interacting force among gas and solid phase and pipe surface in the horizontal pipe is analyzed in detail, then the theoretical model of fully developed gas-solid stratified flow in horizontal pipe was brought forward. 本文对水平管道内气固两相之间以及气固两相与管壁之间的相互作用力进行了详尽的分析,并在此基础上提出了水平管道气固两相分层流动在充分发展段的理论模型。
Numerical Simulation of the Periodically Fully Developed Unsteady Fluid Flow over an In Line Array of Cylinders 横掠管束非稳态周期性充分发展流动的数值模拟
It is also found that the flow developments in all radial locations are not synchronized, but it extended gradually from the core region to the wall, until finally a fully developed flow is achieved across the whole cross-section of the riser. 气固两相流动沿径向的发展并不同步,而是一个由核心区向边壁区逐渐扩展,最终达到充分发展的过程,该过程主要受边壁区发展过程控制;
The treatment can be used to describe the effect of cross angle and density ratio on the axial velocity decay in fully developed jet flow. 该法可较好地描述射流交叉角度、密度比对轴线上轴向速度的影响。
The scaling laws of velocity structure functions in two-dimensional fully developed incompressible turbulent channel flow with variable Reynolds numbers are studied. 对不同Reynolds数的二维不可压槽道湍流(即二维槽道流动的扰动饱和态)进行了标度律分析。
The formula of vessel wall motion derived in this paper reflected the effects of different states such as steady flow or unsteady flow, and different types of entrance flow or fully developed flow on the motion of vessel wall. 导得的管壁运动公式反映了定常、非定常、入口流动、充分发展流动等不同流动时态和形态下血流压力、速度变化对血管壁运动的影响。
Numerical investigation of fully developed flow in a curved duct of rectangular cross-section part ⅰ: laminar flow 弯曲矩形管道内充分发展流动的数值研究&第一部分:层流
The three dimensional periodic fully developed laminar flow in S-shaped composite pipes was studied using semi-implicit method for pressure linked equations ( SIMPLE) scheme in the body-fitted coordinate system. 采用贴体坐标系下的SIMPLE方法研究了S形复合管道中三维周期性充分发展的层流流动。
The equivalent velocity agrees well with experimental data. This method can be used to describe the effect of angle of cross jets and density ratio on axis velocity of fully developed jet flow. 当量速度与实验结果较为吻合.对充分发展的射流,该法可较好的描述射流交叉角度、密度比对轴线上轴向速度的影响。
Numerical Simulation and f Re's Correlation for Fully Developed Flow of Power Law Fluid Through a Semi circular Duct and Flat Circular Duct 幂律流体在半圆及扁圆形通道中充分发展流动数值分析与阻力计算
The present LES approach is verified to be reliable and effective by comparing with direct simulation results of compressible turbulent channel flow. ( 2) A fully developed compressible turbulent flow in a channel with a lower wavy wall and an upper flat wall is numerically studied. 经过与可压缩槽道直接模拟结果的比较验证,证实了本文所提出的大涡模拟方法是合理可靠的。(2)大涡模拟研究了可压缩波形壁湍流问题。
In the second model, based on the mathematical analysis of governing equations of fully developed flow in a rectangular duct and the formulation of the equivalent permeability, comparing with three-dimensional Navier-Stokes equations, the modified governing equations are obtained in the edge channel. 为此在第二个模型中,基于对矩形截面通道完全发展流动的控制方程和等效渗透率的表达式的数学分析,并与三维Navier-Stokes方程比较,得到了描述边缘通道区域流动的改进方程。
Numerical simulation software Fluent is used to simulate the flow and heat transfer in these models and the periodic boundary condition is used to simplify the model and simulate the fully developed flow field. 使用Fluent软件并以周期性边界条件模拟了其内部的流动换热情况。