corona discharge

简明释义

电晕放电

英英释义

例句

1.Engineers must consider corona discharge when designing insulators for high voltage power lines.

工程师在设计高压电力线绝缘体时必须考虑电晕放电。

2.The phenomenon of corona discharge can lead to significant energy losses in transmission lines.

在输电线路中，电晕放电现象可能导致显著的能量损失。

3.To reduce corona discharge, engineers often use specially designed conductors.

为了减少电晕放电，工程师通常使用专门设计的导体。

4.The high voltage equipment experienced a corona discharge during the storm, leading to power fluctuations.

在暴风雨期间，高压设备经历了电晕放电，导致电力波动。

5.A visible glow around the conductor indicates that corona discharge is occurring.

导体周围可见的光辉表明正在发生电晕放电。

作文

The phenomenon of corona discharge is a fascinating subject that intertwines physics and engineering. This process occurs when a high electric field ionizes the surrounding air, leading to the formation of a conductive region around a conductor. Essentially, corona discharge is an electrical discharge that happens at atmospheric pressure, where the electric field strength exceeds the breakdown voltage of air. This can be observed in various settings, such as power lines, lightning, and even in some electronic devices.To understand corona discharge, it is essential to grasp the concept of electric fields. An electric field is generated by charged objects, and its strength diminishes with distance. When the electric field becomes sufficiently strong, it can ionize air molecules, creating free electrons and ions. These charged particles then facilitate further ionization, leading to a chain reaction known as the corona discharge.One common example of corona discharge can be seen in high-voltage power lines. When the voltage is high enough, the electric field around the wires can ionize the air nearby, causing a faint blue glow and the characteristic crackling sound. This phenomenon not only indicates a loss of energy but also poses safety risks, as it can lead to equipment damage or even fires if not properly managed.In addition to power transmission, corona discharge has several practical applications. For instance, it is used in electrostatic precipitators, which are devices designed to remove particulate matter from industrial emissions. By utilizing corona discharge, these systems can effectively capture pollutants, contributing to cleaner air and a healthier environment. Furthermore, corona discharge is also employed in the field of surface treatment. The process enhances the adhesion of coatings and inks on various substrates by increasing the surface energy through ionization.However, corona discharge is not without its challenges. The uncontrolled occurrence of this phenomenon can lead to significant energy losses and electromagnetic interference. Engineers and scientists continuously work on mitigating these issues by designing better insulation and conducting materials that can withstand high electric fields without initiating corona discharge.In conclusion, corona discharge is an essential concept in both theoretical and applied physics. Understanding its mechanisms and implications helps us harness its benefits while minimizing its drawbacks. As technology advances, the study of corona discharge will likely lead to innovative solutions in energy transmission, pollution control, and material science. By deepening our knowledge of this phenomenon, we can contribute to a more sustainable and efficient future.

“电晕放电”现象是一个迷人的主题，它将物理学和工程学交织在一起。该过程发生在高电场离子化周围空气时，导致导体周围形成导电区域。基本上，“电晕放电”是在大气压力下发生的电气放电，其中电场强度超过空气的击穿电压。这可以在各种环境中观察到，例如电力线、闪电甚至一些电子设备中。要理解“电晕放电”，必须掌握电场的概念。电场由带电物体产生，其强度随距离减小。当电场变得足够强时，它可以离子化空气分子，产生自由电子和离子。这些带电粒子随后促进进一步的离子化，导致称为“电晕放电”的链式反应。“电晕放电”的一个常见例子可以在高压电线中看到。当电压足够高时，电缆周围的电场可以离子化附近的空气，导致微弱的蓝光和特征性的噼啪声。这种现象不仅表示能量损失，还会带来安全风险，因为如果管理不当，可能导致设备损坏甚至火灾。除了电力传输外，“电晕放电”还有几个实际应用。例如，它用于静电除尘器，这是一种旨在去除工业排放中颗粒物的设备。通过利用“电晕放电”，这些系统可以有效捕获污染物，有助于清洁空气和更健康的环境。此外，“电晕放电”也用于表面处理领域。该过程通过离子化增加表面能量，从而增强涂层和墨水在各种基材上的附着力。然而，“电晕放电”并非没有挑战。这种现象的 uncontrolled 发生可能导致显著的能量损失和电磁干扰。工程师和科学家们不断致力于通过设计更好的绝缘和导电材料来减轻这些问题，以承受高电场而不引发“电晕放电”。总之，“电晕放电”是理论和应用物理学中的一个重要概念。理解其机制和影响有助于我们利用其优势，同时最小化其缺点。随着技术的进步，对“电晕放电”的研究可能会导致能源传输、污染控制和材料科学领域的创新解决方案。通过深入了解这一现象，我们可以为更加可持续和高效的未来做出贡献。