thermal reactor

简明释义

热中子炉

英英释义

A thermal reactor is a type of nuclear reactor that uses thermal neutrons to sustain a nuclear chain reaction, typically utilizing fuel such as uranium-235 or plutonium-239.

热反应堆是一种核反应堆,利用热中子维持核链式反应,通常使用铀-235或钚-239等燃料。

例句

1.The efficiency of a thermal reactor 热反应堆 can be significantly improved with advanced materials.

通过先进材料,可以显著提高热反应堆的效率。

2.A thermal reactor 热反应堆 operates by converting nuclear energy into thermal energy.

热反应堆通过将核能转化为热能而运行。

3.Researchers are studying the safety protocols of the thermal reactor 热反应堆 to prevent accidents.

研究人员正在研究热反应堆的安全协议,以防止事故发生。

4.In nuclear power plants, a thermal reactor 热反应堆 uses water as a coolant to regulate temperature.

在核电站中,热反应堆使用水作为冷却剂来调节温度。

5.The design of the thermal reactor 热反应堆 is crucial for achieving efficient energy production.

热反应堆的设计对于实现高效能量生产至关重要。

作文

A thermal reactor is a type of nuclear reactor that utilizes thermal neutrons to sustain a nuclear fission chain reaction. In the realm of nuclear engineering, understanding the functionality and applications of a thermal reactor is crucial, as it plays a significant role in generating energy for various purposes, including electricity production and research. The basic principle behind a thermal reactor involves the moderation of fast neutrons produced during fission reactions, which are slowed down to thermal energies through interactions with materials known as moderators. Commonly used moderators include water, heavy water, and graphite. The design of a thermal reactor typically features a core where the nuclear fuel, usually uranium-235 or plutonium-239, is placed. The fission process occurs when these heavy nuclei absorb a neutron and become unstable, splitting into lighter elements while releasing additional neutrons and a substantial amount of energy. This energy is harnessed to produce steam, which drives turbines to generate electricity. One of the most well-known types of thermal reactors is the pressurized water reactor (PWR), which operates by keeping water under high pressure to prevent it from boiling, thus allowing it to efficiently transfer heat from the reactor core to the steam generator. Another common design is the boiling water reactor (BWR), where water is allowed to boil directly in the reactor core, producing steam that drives the turbines. The advantages of thermal reactors include their relatively simple design and the ability to use low-enriched uranium as fuel. This makes them more accessible compared to fast reactors, which require higher enrichment levels and more complex technology. Additionally, thermal reactors have been widely deployed around the world, contributing significantly to the global energy supply. However, there are also challenges associated with thermal reactors. The management of nuclear waste, safety concerns, and the risk of proliferation remain critical issues that need to be addressed. The incidents at Chernobyl and Fukushima serve as stark reminders of the potential dangers associated with nuclear power. As a result, ongoing research and development aim to enhance the safety and efficiency of thermal reactors, while also exploring advanced designs such as small modular reactors (SMRs) and Generation IV reactors, which promise improved safety features and sustainability. In conclusion, a thermal reactor is a vital component of modern energy systems, providing a reliable source of electricity while presenting unique challenges that must be managed responsibly. As the world continues to seek sustainable energy solutions, the role of thermal reactors will undoubtedly evolve, necessitating a deeper understanding of their operation and impact on society. Through continued innovation and adherence to safety protocols, the potential of thermal reactors can be harnessed to meet the growing energy demands of the future.

热反应堆是一种利用热中子维持核裂变链式反应的核反应堆。在核工程领域,理解和掌握热反应堆的功能和应用至关重要,因为它在发电和研究等各种目的中发挥着重要作用。热反应堆的基本原理涉及对在裂变反应中产生的快中子进行减速,通过与被称为慢化剂的材料相互作用将其减速至热能。常用的慢化剂包括水、重水和石墨。热反应堆的设计通常具有一个核心,其中放置了核燃料,通常是铀-235或钚-239。当这些重核吸收一个中子并变得不稳定时,裂变过程发生,分裂成较轻的元素,同时释放出额外的中子和大量能量。这种能量被用于产生蒸汽,从而驱动涡轮机发电。最著名的热反应堆类型之一是压水反应堆(PWR),其通过保持水在高压下以防止其沸腾,从而有效地将热量从反应堆核心传递到蒸汽发生器。另一个常见的设计是沸水反应堆(BWR),其中水被允许在反应堆核心中直接沸腾,产生驱动涡轮机的蒸汽。热反应堆的优点包括其相对简单的设计以及使用低浓缩铀作为燃料的能力。这使得它们比需要更高浓缩水平和更复杂技术的快反应堆更易获得。此外,热反应堆在全球范围内得到广泛部署,对全球能源供应做出了重要贡献。然而,热反应堆也面临一些挑战。核废料管理、安全问题和扩散风险仍然是需要解决的关键问题。切尔诺贝利和福岛的事件提醒我们核能潜在的危险。因此,持续的研究和开发旨在提高热反应堆的安全性和效率,同时探索小型模块化反应堆(SMR)和第四代反应堆等先进设计,这些设计承诺提供改进的安全特性和可持续性。总之,热反应堆是现代能源系统的重要组成部分,为电力提供可靠的来源,同时也提出了必须负责任地管理的独特挑战。随着世界继续寻求可持续能源解决方案,热反应堆的角色无疑会演变,因此需要更深入地了解其运作和对社会的影响。通过持续的创新和遵循安全协议,可以利用热反应堆的潜力来满足未来日益增长的能源需求。

相关单词

thermal

thermal详解:怎么读、什么意思、用法