boundarylayer相关论文
Cone-straight nozzle has been widely used in well bore cleaning,assisting drilling in petroleum in-dustries due to its g......
In 1965, Rajaratnam has put forwarded new concept that hydraulic jump is a kind of wall jet.According to mixed flow theo......
For boundary-layer resolving models, a suitable boundary condition is needed for suspended sediment.For most of empirica......
The bottom boundary layer plays an important role in the bed stress behavior under unsteady wave motion.The simultaneous......
A dynamic coherent eddy model (DCEM) of large-eddy simulation (LES) is employed in the present study to model the comple......
Velocity profiles in vegetated channels reflect multiple mechanisms of flow-vegetation interactions and determine bulk f......
Conventional spacers most commonly consist of a layered or woven fiber structure that creates fluid vortices or turbulen......
Regional pollution and its formation mechanism over North China Plain:A case study with ceilometer o
To investigate regional haze formation,ceilometer observations at the Beijing(BJ),Shijiazhuang(SJZ),Tianjin(TJ)and Qinhu......
We present Mie lidars observations in north China and obtained the formation processes of a four-day pollution episode i......
气溶胶在大气光学、大气辐射、大气化学、大气污染和云物理学等领域具有重要研究意义, 是大气监测的重要要素。为了更好地研究大气......
蒸发是自然界和工程领域广泛存在的物理现象,直接测量蒸气在蒸发过程中运移与分布的规律具有重要意义。选择水蒸气在1370 nm 附近的......
本文使用Powell等(2003)的全球定位系统下投式探空仪观测得到的海表面动力粗糙度长度资料和Makin(2005)的粗糙度长度新公式,改进数......
This paper proposes a boundary layer based optimization method to improve the aerodynamic performance of the waverid......
In recent years,much attention has been paid to the study of laminar-turbulent transition at high or enhanced level ......
The paper is devoted to a survey of recent achievements in experimental investigations of the turbulence production ......
Downstream development of artificial disturbances were investigated experimentally using hotwire constant temperatur......
Delaying boundary layer transition is one of the important ways to reduce friction drag for air/water crafts....
Based on the recently developed finite integration method for solving partial differential equations,we extend in th......
Variable permeability and thermal conductivity effects on unsteady mixed convection boundary layer f
The problem of unsteady mixed convection from impermeable vertical flat plate in a fluid saturated porous medium inc......
Since the earlier years of turbulence investigation, the origin of turbulence in boundary layer has remained a key c......
Boundary layer is a sword of double edges.It provides most of the lift for airplane,but it also causes many side effects......
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Origin of Non-Spherical Particles in the Boundary Layer over Beijing, China Based on Balloon-borne O
Vertical structures of aerosols from the ground to about 1000 m altitude in Beijing were measured with a balloon-bor......
Effect of the Vertical Diffusion of Moisture in the Planetary Boundary Layer on an Idealized Tropica
Previous numerical studies have focused on the combined effect of momentum and scalar eddy diffusivity on the intensity ......
Based on the WIND observational data for the plasma waves from thermal noise receptor (TNR) working on the frequency 4―......
本文指出文(1)的不足,提出构造在整个区域内一致有效渐近解的方法,解决了长期以来未能解决的问题。......
在边界层的 laminar 狂暴的转变的预言为与计算液体获得精确空气动力学的特征是很重要的动态(CFD ) 工具,因为 laminar 狂暴的转变......
Up to now,the most widely used method for transition prediction is the one based on linear stability theory.When it is a......
The nonlinear evolution of a finite-amplitude disturbance in a 3-D supersonic boundary layer over a cone was investigate......
A forward-facing step (FFS) immersed in a subsonic boundary layer is studied through a high-order flux reconstruction (F......
The cavity buffeting noise is related to the free shear layer oscillation and the periodic vortex shedding,where weak vo......
溢流反弧段流线的曲率呈沿程变化,而反弧上下切点位置处边壁曲率发生突变。通过在反弧上下切点益补充定义使其曲率连续,并假定在该位......
提供了一种计算机翼的跨声速绕流的粘性/非粘性相互作用的计算方法,包括无粘流场计算,混合边界层计算及两者之间的相互作用,其中三维混......
本文对一个球锥组合体,在超声速来流及零迎角条件下,对其边界层的稳定性特点进行了分析并讨论了转捩预测问题。结果表明转捩总是最先......
以圆弧,平板和尖锥为研究对象,基于线性稳定性理论,重点讨论了曲率和压力梯度对可压缩边界层稳定性的影响。......
本文用谱截断方法研究了磁层顶剪切磁流体的非线性性态。结果表明:流场扰动会使系统出现剪切不稳定(K-H不稳定)性;系统具有对初值......