流体力学

The theoretical analytic solution of the cone valve was derived by the applications of fluid dynamic mechanics and its related equations, and the curve of the fluid rate coefficient of the cone valve with its opening was obtained.

本文综合应用流体力学及流体动力学的有关理论，同时结合粘性流动与紊流流动的动力学方程，对节流阀进行了理论解析分析，得出了锥形阀流量系数与开度的关系。

In the ease of large Reynolds number, Reynolds stress turbulence model and computational fluid dynamics was used to simulate the cone valve flow field and investigate emphatically the effect of structural parameters, inlet pressure, outlet pressure, and valve opening on the flow field within cone valve.

在大雷诺数下应用雷诺应力湍流模型和计算流体力学方法对锥阀的内部流场进行数值仿真计算，着重研究阀的结构参数、入口压力、出口压力、阀口开度等对锥阀流场的影响。

Chapter 7: The COD〓 distribution in Yangtze River is researched, especially the diffusive coefficient and decay coefficient.

第七章，在流场计算的基础上，以某一流线作边界，重新划分网格，结合环境流体力学的特点对COD浓度的对流、扩散问题进行了专门研究，结合长江及其支流的大量实地资料对扩散系数、衰减系数进行了统计研究及模型率定，得出了一些合理的参数为以后进一步的研究打下了良好的基础。

Transmitted torque by a disk-shaped magnetorheological actuator was deduced and analysed from the view-point of hydrodynamics. Hence then the actuator dynamic characteristics and viscous power loss relations with the actuator were discussed.

从流体力学的角度推导和分析了圆盘式磁流变传动机构的力矩，并以此为基础讨论了机构的动态品质、功率损耗等与机构的关系。

A hydrokinetically simulated sucking was made to study the self-intermittent vacuum drainage of the root canal.

摘要作者采用实验力学方法，模拟吸吮，探讨自体间断真空度根管引流术的流体力学原理。

Used CFD software FLUENT, the three dimensional simulation to piston windorganization at the mine transportation drift were studied. The speeds, static pressuredistribution map at various characteristics sub-plane under different condition were obtained.The entire flow field was divided to different sub-area. The speeds, static pressure changingtendency at the typical position were analyzed. Mechanics origin of the piston wind wasdiscussed.

7采用计算流体力学软件FLUENT对矿井运输巷道内活塞风的风流组织进行了三维数值模拟，得出了不同状态下各特征子平面上的速度、静压分布，并对巷道内空气流域进行了分区，分析了典型位置上的速度、静压变化趋势，探讨了活塞风形成的力学原因。

Basing on the theory of two-phase flow of gas and solid, and the characteristics of coal mine driving working face , using the discrete phase models of computational fluid mechanics to simulate the dust concentration during the ventilation process of coal drift driving with exhaust ventilation.

根据气固两相流理论，针对矿井掘进工作面的特点，采用计算流体力学的离散相模型对掘进工作面通风过程中粉尘浓度进行数值模拟，总结抽出式通风掘进巷道中粉尘浓度的沿程分布及变化规律。

According to the research of orthogonal drying experiments, the effects of the temperature of drying room、nitrogen humidity and gas velocity on...

从物理意义出发，得到了临界流化气速和临界流化压降的表达式，并由此分析了本实验对振动流化床流体力学特性研究的实验结果。

According to the research of orthogonal drying experiments, the effects of the temperature of drying room、nitrogen humidity and gas velocity on drying...

从物理意义出发，得到了临界流化气速和临界流化压降的表达式，并由此分析了本实验对振动流化床流体力学特性研究的实验结果。

Some research methods, analysis software, design principles and criteria are developed for the analysis and design of ailerons and high-lift systems.

本文涉及计算流体力学、设计空气动力学、风洞特种实验等多个领域，形成了一种可用于舵面、增升装置的系统的研究方法、软件及设计准则和设计规律。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。