vacuum breakdown

简明释义

真空哗

英英释义

例句

1.Monitoring systems are crucial for detecting vacuum breakdown in industrial applications.

监测系统对于检测工业应用中的真空击穿至关重要。

2.The experiment was halted due to a vacuum breakdown that compromised the results.

由于发生了真空击穿，实验被迫中止，这影响了结果。

3.The research focused on preventing vacuum breakdown in superconducting magnets.

研究集中在防止超导磁体中的真空击穿。

4.Engineers must consider vacuum breakdown when designing high-voltage equipment.

工程师在设计高压设备时必须考虑真空击穿。

5.A vacuum breakdown can lead to catastrophic failure in particle accelerators.

在粒子加速器中，真空击穿可能导致灾难性的故障。

作文

In the realm of electrical engineering and physics, the term vacuum breakdown refers to a phenomenon where an electrical insulator fails in a vacuum environment due to the presence of high electric fields. This failure occurs when the electric field strength exceeds a certain threshold, leading to the ionization of residual gases or the formation of electron avalanches in the vacuum. Understanding vacuum breakdown is crucial for designing high-voltage equipment and ensuring the reliability of various electronic devices.The process of vacuum breakdown can begin with the emission of electrons from the surface of a conductor. When a high voltage is applied, these electrons can gain sufficient energy to collide with other atoms or molecules in the vicinity, potentially causing further ionization. This cascade effect can lead to a rapid increase in current, which may result in the destruction of the insulating material or the circuit itself.One of the primary concerns regarding vacuum breakdown is its impact on the performance of devices such as particle accelerators, vacuum tubes, and high-voltage power supplies. In particle accelerators, for instance, the presence of a vacuum breakdown can limit the maximum achievable voltage and, consequently, the energy of the particles being accelerated. Engineers must carefully design these systems to mitigate the risks associated with vacuum breakdown, often employing techniques such as surface treatment, optimizing electrode geometry, and maintaining a clean vacuum environment to minimize the number of gas particles that could contribute to the breakdown process.Moreover, research into vacuum breakdown has led to significant advancements in materials science. By studying the conditions under which vacuum breakdown occurs, scientists have developed new materials that exhibit improved electrical insulation properties and higher breakdown voltages. These innovations are essential for the advancement of technologies like superconducting magnets, which require extremely high magnetic fields without the risk of electrical failure.In conclusion, vacuum breakdown is a critical concept in the fields of electrical engineering and physics. Its implications extend across various technologies, influencing the design and reliability of high-voltage systems. As our understanding of this phenomenon continues to grow, researchers and engineers will be better equipped to develop innovative solutions that enhance the performance and safety of electronic devices in vacuum environments. Addressing the challenges posed by vacuum breakdown will undoubtedly play a vital role in the future of electrical engineering and related fields.

在电气工程和物理学领域，术语真空击穿指的是一种现象，其中电绝缘体在真空环境中因高电场的存在而失效。当电场强度超过某一阈值时，就会发生这种失效，导致残余气体的电离或在真空中形成电子雪崩。理解真空击穿对设计高压设备和确保各种电子设备的可靠性至关重要。真空击穿的过程可以从导体表面电子的发射开始。当施加高电压时，这些电子可以获得足够的能量与周围的其他原子或分子碰撞，可能导致进一步的电离。这种级联效应可能导致电流的快速增加，从而可能导致绝缘材料或电路本身的破坏。关于真空击穿的主要关注点之一是它对粒子加速器、真空管和高压电源等设备性能的影响。例如，在粒子加速器中，真空击穿的存在可能限制可达到的最大电压，从而影响被加速粒子的能量。工程师必须仔细设计这些系统，以减轻与真空击穿相关的风险，通常采用表面处理、优化电极几何形状和保持清洁的真空环境等技术，以最小化可能导致击穿过程的气体颗粒数量。此外，对真空击穿的研究促进了材料科学的重大进展。通过研究真空击穿发生的条件，科学家们开发出具有改进的电绝缘特性和更高击穿电压的新材料。这些创新对于超导磁体等技术的发展至关重要，因为这些技术需要在没有电气故障风险的情况下实现极高的磁场。总之，真空击穿是电气工程和物理学领域的一个关键概念。它的影响延伸到各种技术，影响高压系统的设计和可靠性。随着我们对这一现象理解的不断深入，研究人员和工程师将能够更好地开发创新解决方案，提高真空环境中电子设备的性能和安全性。应对真空击穿带来的挑战无疑将在电气工程及相关领域的未来中发挥重要作用。