darcy

简明释义

英[ˈdɑːsɪ]美[ˈdɑːrsi]

n. 达西（渗透力单位）

复 数 d a r c i e s

英英释义

单词用法

同义词

反义词

例句

1.Mr. Darcy!

达西先生！

2.Darcy made no answer.

达西没有回答。

3.This account then is what he has received from Mr. Darcy.

那么，他这番话是从达西先生那儿听来的啦。

4.What sort of a girl is Miss Darcy, ?

达西小姐是个怎么样的姑娘？

5.Elizabeth has a better family background than Darcy.

伊丽莎白的家庭背景比达西好。

6.Yes — if Darcy does not put it off again.

是的，只要达西不再拖延。

7.Geologists often use darcy to describe the flow of fluids in rocks.

地质学家常用 达西 来描述流体在岩石中的流动。

8.A typical clay formation might have a permeability of less than 0.01 darcy.

典型的粘土层的渗透率可能低于0.01 达西。

9.The permeability of the sandstone was measured to be 50 darcy.

砂岩的渗透率被测量为50 达西。

10.In hydrogeology, a permeability of 1 darcy is considered very high.

在水文地质学中，1 达西 的渗透率被认为非常高。

11.The oil reservoir had an average permeability of 10 darcy.

这个油藏的平均渗透率为10 达西。

作文

The term darcy is a unit of measurement used to quantify the permeability of porous materials, particularly in the field of hydrology and petroleum engineering. It is named after the British engineer, Henry Darcy, who made significant contributions to the understanding of fluid flow through porous media in the 19th century. Understanding darcy is essential for engineers and scientists working with groundwater, oil reservoirs, and even in the design of filtration systems.In practical terms, one darcy is defined as the permeability that allows a fluid with a viscosity of one centipoise to flow at a rate of one cubic centimeter per second through a material with a cross-sectional area of one square centimeter under a pressure gradient of one atmosphere per centimeter. This definition highlights the relationship between fluid dynamics and the properties of the material being studied.The significance of darcy cannot be overstated, especially in the context of environmental engineering. For instance, when assessing the potential for groundwater contamination, understanding the permeability of soil and rock layers, measured in darcy, can help predict how quickly contaminants might spread through an aquifer. Engineers use this information to design effective remediation strategies to protect water supplies.Moreover, in petroleum engineering, the concept of darcy is crucial for evaluating oil reservoir properties. The permeability of the reservoir rocks, often expressed in darcy, determines how easily oil can flow through them. This measurement influences drilling decisions, extraction techniques, and ultimately the economic viability of oil production.In addition to its applications in engineering, the concept of darcy also finds relevance in academic research. Scientists studying the behavior of fluids in porous media often use darcy as a fundamental parameter in their models. These models can help predict how fluids will behave under various conditions, which is vital for both theoretical research and practical applications.Understanding darcy also requires familiarity with related concepts such as hydraulic conductivity and porosity. Hydraulic conductivity is a measure of how easily a fluid can move through a porous material, while porosity refers to the amount of void space within a material. Both of these factors influence the permeability measured in darcy. Therefore, a comprehensive grasp of these interrelated concepts is necessary for anyone looking to work in fields that involve fluid flow through porous media.In conclusion, the unit darcy serves as a fundamental measure of permeability in various scientific and engineering disciplines. Its importance extends from environmental protection to resource extraction and academic research. A solid understanding of darcy and its implications is essential for professionals in these fields, ensuring that they can make informed decisions based on the behavior of fluids in porous materials. As we continue to face challenges related to water resources and energy production, the knowledge encapsulated in the concept of darcy will remain invaluable for future innovations and solutions.

术语darcy是用于量化多孔材料渗透率的测量单位，特别是在水文学和石油工程领域。它以英国工程师亨利·达西的名字命名，他在19世纪对流体在多孔介质中的流动理解做出了重要贡献。理解darcy对于从事地下水、油气储层以及过滤系统设计的工程师和科学家至关重要。在实际应用中，一个darcy被定义为允许一种粘度为一个厘泊的流体在一个平方厘米的材料横截面上以每秒一个立方厘米的速度流动，在每厘米的压力梯度下为一个大气压。这一定义强调了流体动力学与所研究材料特性之间的关系。darcy的重要性不容小觑，尤其是在环境工程的背景下。例如，在评估地下水污染的潜力时，了解土壤和岩石层的渗透性（以darcy为单位）可以帮助预测污染物在含水层中的传播速度。工程师利用这些信息设计有效的修复策略，以保护水源。此外，在石油工程中，darcy的概念对于评估油藏特性至关重要。油藏岩石的渗透率通常以darcy表示，这决定了油能多容易地在其中流动。这一测量影响钻井决策、开采技术，并最终影响石油生产的经济可行性。除了在工程中的应用，darcy的概念在学术研究中也具有相关性。研究多孔介质中流体行为的科学家通常将darcy作为其模型中的基本参数。这些模型可以帮助预测流体在各种条件下的行为，这对理论研究和实际应用都至关重要。理解darcy还需要熟悉与之相关的概念，如水力传导率和孔隙率。水力传导率是衡量流体通过多孔材料的易流动程度，而孔隙率则是指材料中空隙空间的数量。这两个因素都会影响以darcy为单位的渗透率。因此，对于希望在涉及多孔介质中流体流动的领域工作的人来说，全面理解这些相互关联的概念是必要的。总之，单位darcy作为各科学和工程学科中渗透率的基本测量。它的重要性从环境保护到资源开采，再到学术研究都得到了体现。对darcy及其影响的深入理解对于这些领域的专业人士至关重要，确保他们能够基于多孔材料中流体的行为做出明智的决策。随着我们继续面临与水资源和能源生产相关的挑战，包含在darcy概念中的知识将对未来的创新和解决方案保持不可或缺的价值。