turbulent flow

turbulent flow的基本解释

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[计] 湍流

与turbulent flow相关的网络例句 [注：此内容来源于网络，仅供参考]

The structure of this article is as follows: Firstly, the background of this article is stated in exordia and the question was raised; chapter one stated cash flow management theory and transnational corporations' cash flow management characters; chapter two introduced general cash flow management technical and method; chapter three analysis cash flow management situation of Chinese transnational corporations; chapter four take VW as an example to expatiate company situation and the impact to cash flow management by the organization of the company, the goal of cash flow management and financing strategy, then introduce the cash flow forecast module, at last analysis the experience and disadvantage of VW's cash flow management; Chapter five give some suggestions to Chinese local transnational corporations for cash flow management including: using proper cash flow management technical and establish scientific process, ect.; the last part is the conclusion This article took VW's cash flow management as an example to descried transnational corporation cash flow management theory and practical issues, but some techniques can only be used in some country where can exchange currency freely; it can not be practical in some foreign exchange administration countries including China, such kind of cash flow module still under discussion based on theory.

本文结构如下：首先在绪言部分简述了选题背景，提出了问题；之后，第一章陈述了现金流管理理论和跨国公司现金流管理的特点；第二章评述了国际常见的现金流管理技术和方法；第三章分析了中国跨国公司的现金流管理现状；第四章详细阐述了VW公司现金流管理的实例，包括公司的发展及组织架构设置对现金流管理的影响，公司现金流管理的目标、筹资策略等，重点介绍了VW公司的现金流预测模型，最后分析了VW公司现金流管理的经验和不足；第五章详细阐述了对中国跨国公司现金流管理的建议，包括应用适合的现金流管理技术及建立科学的现金流管理流程等；最后在结论部分对该文做了总结。

This thesis deals with oil-water flow rate measurement using a venturi and develops a differential pressure-based two-phase flow rate measurement model, which does a terrific job with the use of a water fraction device. Meanwhile, Coriolis flow rate meter is also studied in the oil-water two-phase flow measurement and a SVM-based single-phase flow rate prediction method is proposed, realizing the prediction of single-phase flow rates. To overcome the disadvantages of both venturi and Coriolis flow meters, a double parameter measurement method is put forward, which combines the two meters and solves the problem of oil-water flow rate measurement. Last but not least, on the basis of the study of two-phase flow, a device for the separation of gas and liquid is designed and realizes the flow rate measurement of three-phase flow as oil, gas and water.

本文对文丘里管测量油水两相流流量进行了研究，建立了基于差压法的两相流流量测量模型，如果与含水率计相结合，可以较好的实现油水两相流的流量测量；同时研究了Coriolis流量计在油水两相流流量测量中的应用，提出了基于SVM的油水两相流分相流量预测方法，实现了油水分相质量流量的预测；针对文丘里管和Coriolis测量油水两相流存在的问题，提出了文丘里管和Coriolis流量计相结合的双参数测量方法，并实现了油水两相流的流量测量；最后，在对油水两相流研究的基础上，设计完成了一种气液分离装置，实现了油气水三相流的流量测量。

Main creative points of the thesis are as following:1. It is the first time to apply 2-D and 3-D turbulent model of the air-water two phases flow to the study on hydraulic properties of groyne. It makes description of the turbulent flow field to be possible precisely. This offers a more accurate method to determine the water surface in channel improvement.2. Based on the results of experiment and simulation for 3-D turbulent model of air-water two phases flow, a new formula to compute the height of damming is built.3. Based on the 2-D mode and the formula to compute the height of damming, the subdivision method of 2-D computation for water surface at upstream and downstream.

本文的创新工作主要是：首次将三维水气两相流紊流数学模型应用于丁坝水动力学特性研究，使丁坝附近流场和紊动场的精细描述成为可能，为航道整治中水面线确定提供了一个更为准确的方法；(2)基于水槽实验和三维水气两相流紊流数学模型数值模拟结果，建立了新的丁坝前奎水高度计算公式；(3)基于上述奎水高度计算公式和本文二维水面计算数学模型，首次提出了丁坝上下游二维水面分段计算方法。

与turbulent flow相关的网络解释 [注：此内容来源于网络，仅供参考]

turbulent flow：湍流

层流(Laminar)与湍流(turbulent flow)湍流是以回流、漩涡和明显的随机性所构成的水流. 没有湍流的流体被称为层流(laminar flow). 要注意的是,漩涡或回流并不一定只发生在湍流中,这些现象也可能出现在层流中.

turbulent flow：紊流

对多普勒血流状态分为层流(1aminar flow)、湍流(over-fall flow)、紊流(turbulent flow)和漩流(circle flow)四种. 此外将aliasin9一词译为"倒错",说明频谱上下颠倒,色彩显示混乱. 这些意见已得到多数学者的首肯,

turbulent flow：乱流

...」物理世界中液态气态变化的问题,或者激震波(shock wave)的产生、乱流(turbulent flow)的现象,在在都是些不连续不平滑的现象. 至於人类社会或个人,更常遭遇这些不连续性的问题. 刚才已提过人类的历史满含不连续的变动.

turbulent flow：扰流

墨汁可流至玻璃管入口处,以利观察玻璃管中流体的流动情形. 当流速小时,染料自始至终均成一直线,而不向周围扩散,称为层流(laminar flow). 而当流速甚大时,管内染料则将整支管子染色,此乃因其向周围扩散之故,称为扰流(turbulent flow).

turbulent flow field：湍痢

turbulent flow 湍流 | turbulent flow field 湍痢 | turbulent flux 涡哩量