流体力学

The research in this field mainly focuses on three respects: the application in engineering, numerical analysis and the well-posed property of the given problem.

自由边界问题是偏微分方程研究领域中的一个主要研究方向，有着非常广泛的实际背景，如在流体力学、化学反应过程、金融数学以及物理中的相变问题等研究领域就存在大量的自由边界问题。

Thermal stratification is important to design and research of launch vehicle liquid oxygen tank, in the paper a numerical investigation was performed for physical field of three-dimensional tank based on computational fluid dynamics technique to depict the temperature distributions and velocity fields.

热分层是新型运载火箭液氧贮箱设计及研究的重点问题，本文采用计算流体力学技术对液氧贮箱内部物理场进行三维数值模拟，揭示了贮箱内部温度场及速度场的分布规律。

Fluid mechanics from the point of view, the valve is a local resistance can change the expenditure components, namely, cutting expenditure by changing the area so that the velocity of the fluid and kinetic energy changes, resulting in different pressure loss and thus achieve the purpose of decompression.

从流体力学的观点看，减压阀是一个局部阻力可以变化的节流元件，即通过改变节流面积，使流速及流体的动能改变，造成不同的压力损失，从而达到减压的目的。

The flow characteristic of gas-solid bubbling fluidized-bed was simulated based on two-fluid model by using Fluent.

在双流体模型的基础上利用计算流体力学软件对气固鼓泡流化床的流动特性进行了模拟，得到了鼓泡流化床的一种流动形式。

Two new second-order explicit finite-difference schemes are introduced for the analysis of transient two-component flows.

这些格式是在计算流体力学中采用的，近来用于解决管道中的瞬变问题。

The study objects of this text are highway and railway tunnel. This text analyze form and mechanism of cause of the tunnel"s disease through knowledge theory such as :rock mechanics, soil mechanics, hydraulics, hydrodynamics, chemistry ,and so on. And combine last criterion, rule and engineering practice, provide the tunnel disease"s the design of prevention and cure, method of construction, new technique, new material, new craftwork. This text provide some advantageous consult values for tunnel prevention and cure.

本文以公路及铁路隧道为研究对象，运用岩体力学、土力学、水力学、流体力学、化学等学科理论，以宏、微观相结合的方法分析了渗漏水、冻害、衬砌裂损及衬砌腐蚀4种常见隧道病害的表现形式、成因机理，结合最新的规范、规则和工程实际给出了隧道病害的防治设计、施工方法以及新技术、新材料和新工艺，为隧道防治提供了有利的参考价值。

Based on the method of Computational Fluid Dynamics,the mathematical models of plate type and tube type of indirect evaporative cooler have been established.

基于计算流体力学方法，建立了板式和管式间接蒸发冷却器的数学物理模型，通过三维数值模拟得到了换热器一、二次空气通道的速度场、温度场和浓度场的分布。

Patched-grid; complex flow; N-S equation; slip stream of the propeller

论文导师杨永，论文学位硕士，论文专业流体力学

Taken into account the properties of arc plasma and electromagnetic, heat and radiative phenomena, commercial computational fluid dynamics software FLUENT has been adapted and extended by self-written routines to develop the 2-D magnetohydrodynamic model of air switching arc.

考虑电弧的物理参数以及电磁、热和辐射等现象，通过对商用计算流体力学软件FLUENT进行二次开发，建立了空气开关电弧等离子体的二维磁流体动力学数学模型。

A set of nonlinear self-consistent equations is settled in this paper.

本文建立了一套非线形自恰的流体力学方程组。

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。