fleming's rule

简明释义

佛来铭定律

英英释义

例句

1.During the lecture, the professor emphasized the importance of fleming's rule in designing generators.

在讲座中，教授强调了fleming's rule在发电机设计中的重要性。

2.When learning about electromagnetic induction, understanding fleming's rule is crucial for predicting the direction of induced current.

在学习电磁感应时，理解fleming's rule对预测感应电流的方向至关重要。

3.The teacher explained fleming's rule using a simple diagram to show how electric motors work.

老师用简单的图示解释了fleming's rule，展示了电动机的工作原理。

4.We used fleming's rule to analyze the direction of force acting on a conductor in a magnetic field.

我们使用fleming's rule来分析在磁场中作用于导体的力的方向。

5.In a physics lab, we applied fleming's rule to determine how a magnetic field affects the motion of charges.

在物理实验室中，我们应用fleming's rule来确定磁场如何影响电荷的运动。

作文

Fleming's rule is a fundamental principle in electromagnetism that helps to determine the direction of force experienced by a current-carrying conductor placed in a magnetic field. This rule, formulated by British engineer John Ambrose Fleming, is essential for understanding the operation of electric motors and generators. In this essay, I will explore the significance of Fleming's rule (弗莱明定则) in both theoretical and practical applications, its historical context, and its relevance in modern technology.To begin with, Fleming's rule (弗莱明定则) is often represented by two key principles: Fleming's Left-Hand Rule and Fleming's Right-Hand Rule. The Left-Hand Rule is used for electric motors, where the thumb, index finger, and middle finger of the left hand are arranged perpendicular to each other. The thumb indicates the direction of the force (motion), the index finger represents the direction of the magnetic field, and the middle finger shows the direction of the current. Conversely, the Right-Hand Rule applies to generators, where the same arrangement helps to identify the direction of induced current when a conductor moves through a magnetic field.The historical significance of Fleming's rule (弗莱明定则) cannot be overstated. John Ambrose Fleming developed these rules during the late 19th century, a period marked by rapid advancements in electrical engineering. His contributions laid the groundwork for many modern electrical devices. Understanding the interactions between electricity and magnetism was crucial for the development of various technologies, including telegraphy, radio, and eventually, the electric motor. By providing a clear method for visualizing these interactions, Fleming's rule (弗莱明定则) became an indispensable tool for engineers and physicists alike.In practical applications, Fleming's rule (弗莱明定则) is vital for designing and operating electrical machines. For instance, in electric motors, the application of the Left-Hand Rule allows engineers to predict the rotational direction of the motor based on the current direction and magnetic field orientation. This understanding is crucial for ensuring that motors function efficiently and safely in various applications, from household appliances to industrial machinery.Moreover, Fleming's rule (弗莱明定则) is also relevant in renewable energy technologies, such as wind turbines and hydroelectric plants. These systems rely on the principles of electromagnetism to convert mechanical energy into electrical energy. By applying the Right-Hand Rule, engineers can analyze how the motion of blades or water currents through magnetic fields generates electricity. Thus, Fleming's rule (弗莱明定则) plays a critical role in advancing sustainable energy solutions.In conclusion, Fleming's rule (弗莱明定则) is a cornerstone of electromagnetism, providing essential insights into the behavior of electric motors and generators. Its historical context highlights the importance of understanding electricity and magnetism in the development of modern technology. As we continue to innovate and seek sustainable energy solutions, the principles outlined by Fleming's rule (弗莱明定则) will remain relevant, guiding engineers and scientists in their quest to harness the power of electromagnetism for the benefit of society.

弗莱明定则是电磁学中的一个基本原则，帮助确定在磁场中放置的带电导体所受力的方向。这个由英国工程师约翰·安布罗斯·弗莱明提出的定则，对于理解电动机和发电机的工作原理至关重要。在这篇文章中，我将探讨弗莱明定则（Fleming's rule）在理论和实践应用中的重要性、历史背景以及在现代技术中的相关性。首先，弗莱明定则（Fleming's rule）通常由两个关键原则组成：弗莱明左手定则和弗莱明右手定则。左手定则用于电动机，其中左手的大拇指、食指和中指呈垂直排列。大拇指表示力的方向（运动），食指代表磁场的方向，中指显示电流的方向。相反，右手定则适用于发电机，同样的排列帮助识别导体在磁场中移动时感应电流的方向。弗莱明定则（Fleming's rule）的历史意义不容小觑。约翰·安布罗斯·弗莱明在19世纪末期提出这些规则，这一时期是电气工程快速发展的时期。他的贡献为许多现代电气设备奠定了基础。理解电与磁之间的相互作用对电报、无线电以及最终的电动机等各种技术的发展至关重要。通过提供一种清晰的方法来可视化这些相互作用，弗莱明定则（Fleming's rule）成为工程师和物理学家不可或缺的工具。在实际应用中，弗莱明定则（Fleming's rule）对于设计和操作电气机器至关重要。例如，在电动机中，应用左手定则可以预测电动机的旋转方向，基于电流方向和磁场方向。这种理解对于确保电动机在从家用电器到工业机械的各种应用中高效、安全地运行至关重要。此外，弗莱明定则（Fleming's rule）在可再生能源技术中也具有相关性，例如风力涡轮机和水电站。这些系统依赖电磁学原理将机械能转化为电能。通过应用右手定则，工程师可以分析叶片或水流在磁场中运动如何产生电力。因此，弗莱明定则（Fleming's rule）在推进可持续能源解决方案中发挥着关键作用。总之，弗莱明定则（Fleming's rule）是电磁学的基石，为电动机和发电机的行为提供了基本的见解。它的历史背景强调了理解电和磁在现代技术发展中的重要性。随着我们继续创新并寻求可持续能源解决方案，由弗莱明定则（Fleming's rule）概述的原则将继续保持相关性，指导工程师和科学家在利用电磁力为社会带来益处的追求中。