eddy resistance

简明释义

旋涡阻力

英英释义

Eddy resistance refers to the opposition to motion caused by eddy currents, which are loops of electric current induced within conductors by a changing magnetic field due to Faraday's law of electromagnetic induction.

涡流阻力是指由于涡流引起的对运动的反对,这些涡流是在导体中由变化的磁场诱导产生的电流环,依据法拉第电磁感应定律。

例句

1.The eddy resistance in the cooling system can affect overall efficiency.

冷却系统中的涡流阻力会影响整体效率。

2.The research focused on how eddy resistance impacts energy consumption.

研究集中在涡流阻力如何影响能耗。

3.Engineers must consider eddy resistance when analyzing fluid flow in pipes.

工程师在分析管道中的流体流动时必须考虑涡流阻力

4.By using streamlined shapes, we can minimize eddy resistance in our designs.

通过使用流线型形状,我们可以在设计中最小化涡流阻力

5.The design of the turbine was optimized to reduce eddy resistance.

涡轮的设计经过优化,以减少涡流阻力

作文

In the world of physics and engineering, understanding the various forces at play is crucial for designing effective systems. One such concept that often arises in discussions about fluid dynamics and electrical engineering is eddy resistance. This term refers to the opposition to the flow of electric current caused by the formation of eddy currents within a conductor. These eddy currents are loops of electric current that are induced within conductors when exposed to changing magnetic fields. The presence of eddy resistance can significantly impact the efficiency of electrical devices, leading to energy losses in the form of heat.To grasp the implications of eddy resistance, we must first delve into the nature of eddy currents. When a conductor, such as a metal plate, is subjected to a varying magnetic field, it generates circulating currents within itself. These currents flow in closed loops perpendicular to the magnetic field, creating their own magnetic fields that oppose the original field according to Lenz's Law. This phenomenon not only results in energy dissipation but also creates a resistance to the flow of the primary current, which we refer to as eddy resistance.The effects of eddy resistance are particularly evident in applications such as transformers, induction motors, and magnetic braking systems. In transformers, for instance, the core material is usually made of iron or steel, which can experience significant eddy resistance if not designed properly. Engineers often use laminated cores to minimize the area available for eddy currents to circulate, thus reducing energy losses and enhancing efficiency.Moreover, the design of electrical devices requires careful consideration of eddy resistance. For example, in induction heating applications, where high-frequency alternating currents are used, the generation of eddy currents is both a desired and an undesired effect. While eddy currents generate heat within the material being heated, excessive eddy resistance can lead to overheating and damage to the system. Therefore, engineers must strike a balance between utilizing eddy currents for heating while minimizing eddy resistance to ensure safety and efficiency.In addition to electrical applications, eddy resistance also has implications in the field of fluid dynamics. When studying the flow of fluids around objects, engineers must consider how the shape and surface texture of an object can create vortices and turbulence, leading to resistance against the flow. This resistance can be likened to eddy resistance in electrical systems, as both involve the generation of counteracting forces that hinder overall efficiency.In conclusion, eddy resistance is a critical concept that spans multiple disciplines, from electrical engineering to fluid dynamics. Understanding this phenomenon allows engineers to design more efficient systems by minimizing energy losses and optimizing performance. As technology continues to advance, the importance of addressing eddy resistance will only grow, making it an essential topic for future research and development in engineering disciplines.

在物理和工程的世界中,理解各种作用力对于设计有效的系统至关重要。一个经常出现在流体动力学和电气工程讨论中的概念是涡流电阻。这个术语指的是由于导体内涡流的形成而导致的电流流动的阻碍。这些涡流是在导体暴露于变化的磁场时诱导产生的电流环。涡流电阻的存在可以显著影响电气设备的效率,导致以热量形式损失的能量。要理解涡流电阻的影响,我们首先必须深入探讨涡流的性质。当导体(例如金属板)受到变化的磁场时,它在自身内部生成循环电流。这些电流以与磁场垂直的方向流动,形成闭合回路,生成自己的磁场,反对原始磁场,根据伦茨定律。这一现象不仅导致能量的消耗,还对主电流的流动产生阻力,这就是我们所称的涡流电阻涡流电阻的影响在变压器、感应电动机和磁制动系统等应用中尤为明显。例如,在变压器中,核心材料通常由铁或钢制成,如果设计不当,可能会经历显著的涡流电阻。工程师们通常使用层压核心来最小化涡流循环的面积,从而减少能量损失并提高效率。此外,电气设备的设计需要仔细考虑涡流电阻。例如,在感应加热应用中,使用高频交变电流时,涡流的产生既是期望的效果,也是一个不希望的效果。虽然涡流在被加热材料中产生热量,但过多的涡流电阻可能导致过热和系统损坏。因此,工程师必须在利用涡流加热和最小化涡流电阻之间取得平衡,以确保安全和效率。除了电气应用外,涡流电阻在流体动力学领域也具有重要意义。在研究流体绕物体流动时,工程师必须考虑物体的形状和表面纹理如何产生涡旋和湍流,从而导致流动的阻力。这种阻力可以类似于电气系统中的涡流电阻,因为两者都涉及产生反作用力,阻碍整体效率。总之,涡流电阻是一个横跨多个学科的关键概念,从电气工程到流体动力学。理解这一现象使工程师能够通过最小化能量损失和优化性能来设计更高效的系统。随着技术的不断进步,解决涡流电阻的重要性只会增加,使其成为未来工程学科研究和发展的重要主题。

相关单词

eddy

eddy详解:怎么读、什么意思、用法