查询词典 fluid dynamics

Computational fluid dynamics was used to solve the problem in complex fluid by digital mode.

计算流体动力学是通过数字方式解决复杂的流体问题的一种研究方法。

Besides the previous research finding, the ideal gas equation and ideal gas, fluid dynamics and thermal dynamics were also included in the derivation of the equation of state of the detonation Wave.

目前国内可量测爆震波速度的仪器并不普遍，因此爆震波速度值得之不易，想利用爆震波速度来探讨爆破震动的特性更是难上加难，本文将依据理想气体方程式、流体动力学、热力学、理想气体多变定律和相关的经验公式，结合冲击波和爆震波传递时质量、能量和动量守恒的理论，推导爆震波的状态方程式，并藉由爆震波的状态方程式了解爆震波的特性及其应用。

Division of a basin into several fluid dynamic systems is a complex procedure which needs a comprehensive study and inference on tectonics, stratigraphy, temperature, fluid dynamics and fluid geochemistry, and the relation between temperature and pressure. Its main objectives are the vertical division of several systems and determination of influenced area by lateral gravity-driven fluid flow.

而在盆地内进行纵、横向上流体动力系统的划分，是一个基于构造、地层、温度、流体动力和流体化学等方面以及温度-压力关系综合分析的一个十分复杂的资料整理、信息加工和逻辑推理过程，其目的主要是在纵向上把控制油气成藏的不同的流体动力系统分开，在横向上确定重力驱动流侵入的范围。

Using magnetic fluid dynamics and thermodynamics theory,a study on the results of axial bearing pressure ability of rotation axis magnetic fluid static seals was introduced.

介绍了利用磁流体动力学、热力学理论，研究旋转轴磁流体静密封轴向承压能力的结果。

Note that fluid mechanics can be further split into fluid statics and fluid dynamics, and is itself a subdiscipline of continuum mechanics.

注意到流体力学可以被更进一步分成流体静力学与流体动力学，并且它是连体力学底下的分支。

Objective To investigate the feasibility of using CT image-based computational fluid dynamics to simulate numerically the local hemodynamics in anatomically realistic human stenosed carotid bifurcations.

目的探索以CT图像为基础构建动脉血流动力学模型的技术方法，对颈动脉狭窄局部进行计算血流动力学（computationalfluid dynamics，CFD）数值模拟。

The effect of static aeroelastic distortion to the aerodynamic characteristic for a real high-aspect ratio sweepforward wing of composite material under different load statuses was analyzed. The integrated design method combined aerodynamic with structural was adopted in this analysis using associated computational fluid dynamics program FLUENT and computational structual dynamics program NASTRAN.

针对－真实复合材料大展弦比前掠机翼，采用气动／结构一体化的分析方法，利用计算流体动力学软件FLUENT和计算结构动力学软件NASTRAN联合求解，研究了在不同载荷情况下大展弦比柔性机翼静气动弹性变形对机翼气动特性的影响。

The relation between the movement parameters in the flow field of jig could be obtained by the Navier-stockes equation of fluid dynamics. The fluid in different jig structure dimension and shape could be calculated and diagrammed by use of calculate fluid mechanics and potential motion theory. The flow field and streamline of jig at different case are expressed vividly, which could provide rational basis for selecting and designing jig structure.

由流体运动的Naver-Stockes方程得到跳汰室内的流场运动参数间的关系，用势流理论对运动流场进行研究，通过计算流体力学方法对流体运动参数在结构不同的跳汰机的跳汰室内的流场进行了绘图，形象地把不同结构的跳汰室的流场、流线体现出来，可为合理选择跳汰机结构提供依据。

Some traffic engineers have attempted to apply the rules of fluid dynamics to traffic flow, likening it to the flow of a fluid in a pipe.

一些交通工程师试图适用规则流体动力学的交通流，把它的流动的流体的管道。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。