圆柱

This paper presents a numerical simulation and study of the transition to chaos of the flow past a two-dimensional circular cylinder.

本文数值模拟并研究了二维圆柱绕流向混沌转捩的情形。

It is said that the drag reduction of the flow past a circular cylinder is of very wide engineering application background and of important theoretical investigating value.

降低亚临界绕流工况下的圆柱绕流阻力具有广泛的工程应用前景和重要的理论研究价值。

A new method, rotationassembleaverage method, for the oscillatory boundary layer flow around a circular cylinder, was proposed.

提出了一种用于模拟圆柱绕流的振荡边界层流动的新方法——旋转系统平均法。

The aerodynamics characteristics and the flow structure of the circular cylinder with an upstream rod in tandem were examined.

通过风洞测压和水洞流动显示实验，研究了不同直径的扰动体尾迹下圆柱的流动结构和气动特性。

In the first part of dissertation, the basic theory of conformal array is introduced. The three-dimension DBF of circular array and cylinder array are presented.

首先，介绍了共形阵的基本理论及相关技术，并对共形阵的常规阵列均匀圆阵和圆柱阵进行了详细的三维波束图仿真研究。

The major purpose of this paper is to study the phenomena of laminar wake after a tapered circular cylinder with/without control.

本文主要目的在探讨在低速三维锥形圆柱尾流加入控制前后特性之变化。

A new method for computing propagation constants and amplitudes of creeping wave modes on an infinite conducting circular cylinder is presented.

本文提出了一种计算金属圆柱表面爬行波电流传播常数和幅度的新方法。

Third, scattering by 2D circular conducting cylinder is put under studied, due to that its MEI is much more ill than other case.

论文对研究中发现的最病态的2D金属圆柱的MEI分析做了大量的计算分析工作。

Another numerical model is presented to solve the problem of regular and irregular waves diffraction around a 3D vertical circular cylinder.

以直立圆柱桩的单色、双色规则波和不规则波绕射问题为算例，具体的介绍了透射理论在水波绕射问题中的应用。

N experiment combining flow visualization and temperature measurement is carried out in the present study to investigate the possible presence of new inertia-driven vortex rolls and some unique characteristics of the time-dependent mixed convective vortex flow resulting from a high speed round air jet impinging onto a heated horizontal circular disk in a vertical cylindrical chamber.

bstract：本篇论文利用实验流场观测方法及温度场量测方法对於垂直圆柱容器中一高速空气圆形喷流冲击至一加热圆盘之可能产生新的惯性力驱动涡流和一些独特的周期性混合对流涡流流场特性进行研究。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。