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- turbulent boundary flow 湍动边界流动
- Experiments of dispersion for continuous spill of heavy gas in the turbulent boundary layer flow of coastal and harbor region were conducted in the environmental wind tunnel. 摘要本实验系在环境风洞中模拟探讨于海岸港口地区紊流边界层内重质气体连续溢漏时所形成云团之扩散特性。
- Mean velocity profile, turb ulence intensity profile, integral scale and wind spectra are the most fundament al characteristics that describe the atmospheric turbulent boundary layer flow. 平均速度剖面,湍流度剖面,积分尺度和风谱是反映大气湍流边界层流动的四个最基本的因素。
- Based on theoretical analysis, microbubble drag reduction is due to structure change of turbulent boundary layer caused by the microbubbles. 理论分析提出微气泡降阻机理在于其引起湍流边界层结构的变化;
- An incompressible turbulent boundary layer separation in a two-dimensional diffuser was surveyed using laser doppler velocimeter. 用激光多普勒技术测量了二维扩压器中不可压湍流边界层分离流动,得到了时均速度和雷诺剪应力分布。
- The measurement technique of constant temperature anemometry was used to study experimentally the mechanism of drag reduction in turbulent boundary layer with riblet surface. 摘要应用热线测速技术,对沟槽壁面平板湍流边界层的减阻机理进行了实验研究。
- In this paper, the technique of constant temperature anemometer is usedto study the turbulent boundary layer which is controlled by periodicblow-suction on the wall. 本文应用热线测速技术,对风洞中平板湍流边界层壁面施加周期性抽吸扰动进行实验研究。
- For the first category, we consider the boundary flow as an annular zone completely isolated from mixing with the main flow environment. 对于第一个范畴,我们把边界看作是完全隔离的环形区域,并不与主流环境相混合。
- The influence of main flow nonparallel and pressure gradients is considered to show the physical characteristics of flat boundary flow. 为更好反映平板边界层流动的物理特征和本质,该文同时考虑到主流的非平行性和压力梯度的作用。
- Based on the assumption of logarithmic velocity distribution within turbulent boundary layer and the aplication of energy equilibrium theory, formulas for Hydraulic parameters are obtained in this paper. 在紊流边界层内,流速为对数分布假定的基础上,本文利用水流能量平衡方程计算紊流边界层沿流程发展的厚度从而推导出溢流面一些水流参数的计算公式。
- It shows that the boundary layer induced behind a 2 atm 2H2+O2, mixture detonation wave may undergo a transition from laminar to turbulent and then turn out a turbulent boundary layer. 值得指出的是,2大气压下2H_2+O_2气体爆轰波后诱导引起的附面层可能经历着从层流向湍流的转捩,而后成为湍流附面层。
- Secondly, for the purpose of grid generation of complicated boundary flow field, the parabolic-elliptic differential equation method of grid generation is programmed. 其次,基于抛物化椭圆型微分方程网格生成方法,建立了能处理复杂边界流场的网格生成程序;
- The sweep down flow and "contra-hairpin vortex" in a turbulent boundary layer 湍流边界层中下扫流与"反发卡涡"
- Anomalous Scaling Law in Turbulent Boundary Layer 壁湍流边界层奇异标度律的实验研究
- The Effect of a Step on Turbulent Boundary Layer 挑坎对紊流边界层发展的影响
- flat-plate turbulent boundary layer 平板湍流边界层
- adiabatic blunt cone turbulent boundary layer 绝热钝锥湍流边界层
- turbulent boundary layer above flat plate 平板湍流边界层
- turbulent boundary layer separation 湍流边界层分离
- Setting appropriate turbulence boundary condition is an important problem in numerical simulation for CWE (computational wind engineering). 给定适当的湍流来流边界条件是计算风工程中一个重要的问题。