light water pwr
简明释义
轻水压水堆
英英释义
Light water power refers to the use of light water, typically ordinary water, as a coolant and neutron moderator in nuclear reactors. | 轻水能指的是在核反应堆中使用普通水作为冷却剂和中子慢化剂的方式。 |
例句
1.Many countries rely on light water pwr 轻水反应堆 for their nuclear energy needs.
许多国家依赖于轻水反应堆 light water pwr 来满足其核能需求。
2.The new reactor design utilizes light water pwr 轻水反应堆 technology to enhance safety.
新的反应堆设计利用了轻水反应堆 light water pwr 技术来增强安全性。
3.The operation of a light water pwr 轻水反应堆 requires careful monitoring of coolant temperatures.
操作轻水反应堆 light water pwr 需要仔细监控冷却剂温度。
4.Research shows that light water pwr 轻水反应堆 is one of the safest nuclear technologies available.
研究表明,轻水反应堆 light water pwr 是可用的最安全的核技术之一。
5.The efficiency of light water pwr 轻水反应堆 plants has improved significantly over the years.
多年来,轻水反应堆 light water pwr 电厂的效率显著提高。
作文
The term light water pwr refers to a type of nuclear reactor that uses ordinary water, or light water, as both a coolant and a neutron moderator. This technology has been pivotal in the development of nuclear power generation around the world. Understanding the significance of light water pwr is essential for grasping how nuclear energy is harnessed and utilized in contemporary society.Nuclear power plants using light water pwr are designed to achieve a controlled nuclear fission reaction, which generates heat used to produce steam. This steam then drives turbines to generate electricity. The primary advantage of using light water is its availability and efficiency in moderating neutrons, which is crucial for sustaining the fission process. In fact, about 70% of the world's nuclear reactors are based on this technology, making it a cornerstone of nuclear energy production.One of the most notable examples of light water pwr is the Pressurized Water Reactor (PWR). In a PWR, water is kept under high pressure to prevent it from boiling, allowing it to reach higher temperatures without phase change. This heated water is then circulated through a heat exchanger, where it transfers its heat to a secondary water loop that produces steam. The steam then drives the turbines, generating electricity. This design enhances safety and efficiency, making PWRs one of the most common types of reactors worldwide.Another variant is the Boiling Water Reactor (BWR), where water is allowed to boil in the reactor core, producing steam directly. This steam is then used to drive the turbine. While both designs utilize light water pwr, their operational mechanisms differ, showcasing the versatility of light water as a reactor coolant and moderator.The use of light water pwr also raises important discussions about safety and environmental impact. High-profile incidents, such as the Fukushima disaster in Japan, have prompted rigorous scrutiny of nuclear power plants. While these incidents often lead to public fear and opposition against nuclear energy, it is crucial to recognize that advancements in technology and stringent safety regulations have significantly improved the safety of light water pwr systems. Modern reactors are built with multiple safety systems designed to prevent accidents and mitigate their consequences should they occur.Furthermore, the environmental benefits of light water pwr cannot be overlooked. Nuclear power is a low-carbon energy source, contributing to the reduction of greenhouse gas emissions compared to fossil fuels. As countries strive to meet their climate goals, the role of nuclear energy, particularly through light water pwr, is becoming increasingly important. It provides a stable and reliable energy supply that can complement renewable sources like wind and solar, which are often intermittent.In conclusion, the understanding of light water pwr is integral to discussions surrounding nuclear energy. Its role in electricity generation, safety advancements, and environmental benefits positions it as a critical component of the global energy landscape. As we move towards a more sustainable future, the continued exploration and development of light water pwr technologies will likely play a significant role in meeting the world's energy demands while addressing climate change challenges.
“light water pwr”一词指的是一种核反应堆类型,它使用普通水或轻水作为冷却剂和中子慢化剂。这项技术在全球核能发电的发展中发挥了重要作用。理解light water pwr的重要性对于掌握当代社会如何利用和利用核能至关重要。使用light water pwr的核电站旨在实现受控的核裂变反应,产生的热量用于产生蒸汽。然后,这些蒸汽驱动涡轮机发电。使用轻水的主要优点是其可用性和在中子慢化方面的效率,这对维持裂变过程至关重要。事实上,世界上约70%的核反应堆基于这项技术,使其成为核能生产的基石。light water pwr最著名的例子之一是压水反应堆(PWR)。在PWR中,水在高压下保持不沸腾,从而允许其在没有相变的情况下达到更高的温度。这种加热的水随后通过换热器循环,将热量转移到二次水回路中,产生蒸汽。蒸汽然后驱动涡轮机,发电。这种设计提高了安全性和效率,使PWR成为全球最常见的反应堆类型之一。另一种变体是沸水反应堆(BWR),在这种反应堆中,水允许在反应堆核心中沸腾,直接产生蒸汽。然后,这些蒸汽用于驱动涡轮机。虽然这两种设计都利用了light water pwr,但它们的操作机制不同,展示了轻水作为反应堆冷却剂和慢化剂的多样性。使用light water pwr还引发了关于安全性和环境影响的重要讨论。高调事件,如日本福岛灾难,促使人们对核电站进行严格审查。尽管这些事件往往导致公众对核能的恐惧和反对,但必须认识到,技术进步和严格的安全法规显著提高了light water pwr系统的安全性。现代反应堆具有多重安全系统,旨在防止事故并减轻事故发生时的后果。此外,light water pwr的环境效益也不容忽视。核能是一种低碳能源,与化石燃料相比,有助于减少温室气体排放。随着各国努力实现气候目标,核能特别是通过light water pwr的角色变得越来越重要。它提供了稳定可靠的能源供应,可以补充风能和太阳能等可再生能源,而这些能源通常是不稳定的。总之,理解light water pwr对于围绕核能的讨论至关重要。它在电力生产、安全进展和环境效益方面的作用使其成为全球能源格局中的关键组成部分。随着我们向更可持续的未来迈进,继续探索和发展light water pwr技术可能在满足全球能源需求的同时应对气候变化挑战中发挥重要作用。