light water moderated reactor

简明释义

轻水慢化反应堆

英英释义

例句

1.The light water moderated reactor 轻水反应堆 utilizes ordinary water as both coolant and neutron moderator.

轻水反应堆使用普通水作为冷却剂和中子减速剂。

2.Engineers are conducting safety tests on the light water moderated reactor 轻水反应堆 to ensure it meets regulatory standards.

工程师正在对轻水反应堆进行安全测试，以确保其符合监管标准。

3.Many countries have adopted the light water moderated reactor 轻水反应堆 technology for their nuclear energy programs.

许多国家已经采用轻水反应堆技术用于其核能项目。

4.The design of the light water moderated reactor 轻水反应堆 is widely used in nuclear power plants.

轻水反应堆的设计在核电站中被广泛使用。

5.Research into improving the efficiency of the light water moderated reactor 轻水反应堆 is ongoing.

对提高轻水反应堆效率的研究正在进行中。

作文

The world of nuclear energy is vast and complex, with various types of reactors designed to harness the power of nuclear fission. Among these, the light water moderated reactor (LWMR) stands out as one of the most widely used designs in commercial nuclear power plants. To understand the significance of the light water moderated reactor, it is essential to explore its design, operation, and advantages.Firstly, the term light water moderated reactor refers to a type of nuclear reactor that uses ordinary water, or 'light water,' as both a coolant and a neutron moderator. This means that the reactor employs water to slow down fast neutrons produced during the fission process, making them more likely to induce further fission reactions in the fuel. The use of light water is one of the key features that distinguishes this reactor type from others, such as heavy water reactors or gas-cooled reactors.In terms of design, the light water moderated reactor typically consists of a core made up of fuel rods containing enriched uranium or mixed oxide fuel. The core is surrounded by a containment structure that ensures safety and prevents the release of radioactive materials. The reactor operates under high pressure to keep the water in a liquid state, even at elevated temperatures. This pressurized environment allows for efficient heat transfer from the fuel to the water, which then circulates to produce steam that drives turbines for electricity generation.One of the primary advantages of the light water moderated reactor is its relative simplicity compared to other reactor designs. The technology is well-established, and many countries have adopted it as their standard for nuclear power generation. This widespread use has resulted in a wealth of operational experience, making LWMRs some of the safest and most reliable reactors in operation today. Additionally, the infrastructure for supporting light water moderated reactors is readily available, including fuel supply chains and waste management solutions.Moreover, light water moderated reactors are capable of achieving high thermal efficiency, which translates to better fuel utilization and lower operational costs. They can also be designed to operate in different configurations, such as boiling water reactors (BWRs) or pressurized water reactors (PWRs), each offering unique operational characteristics and advantages.Despite their benefits, light water moderated reactors also face challenges, particularly concerning nuclear waste management and safety concerns. The disposal of spent nuclear fuel remains a significant issue, as it is highly radioactive and requires secure storage for thousands of years. Additionally, while modern LWMRs incorporate advanced safety features, the potential for accidents, as seen in historical incidents, continues to raise public apprehension about nuclear energy.In conclusion, the light water moderated reactor plays a pivotal role in the global energy landscape, providing a significant source of low-carbon electricity. Its design and operational advantages make it a preferred choice for many nations seeking to balance energy needs with environmental concerns. As technology advances, ongoing research into improving the safety and efficiency of light water moderated reactors will be crucial in ensuring that nuclear energy remains a viable and sustainable option for future generations.

核能的世界是广阔而复杂的，拥有多种类型的反应堆，旨在利用核裂变的力量。在这些反应堆中，轻水慢化反应堆（LWMR）作为商业核电站中最广泛使用的设计之一而脱颖而出。要理解轻水慢化反应堆的重要性，有必要探讨其设计、操作和优势。首先，术语轻水慢化反应堆指的是一种核反应堆，它使用普通水或“轻水”作为冷却剂和中子慢化剂。这意味着反应堆利用水来减缓在裂变过程中产生的快中子，使它们更可能引发燃料中的进一步裂变反应。轻水的使用是区分这种反应堆类型与其他类型（如重水反应堆或气冷反应堆）的关键特征之一。在设计方面，轻水慢化反应堆通常由包含铀或混合氧化物燃料的燃料棒组成的核心构成。反应堆被一个安全壳结构包围，以确保安全并防止放射性物质的释放。反应堆在高压下运行，以保持水在液态，即使在高温下。这种加压环境允许从燃料到水的有效热传递，水随后循环产生蒸汽，驱动涡轮机发电。轻水慢化反应堆的主要优势之一是相对于其他反应堆设计的相对简单性。这项技术已经成熟，许多国家将其作为核电发电的标准。因此，广泛的使用带来了丰富的操作经验，使得LWMR成为今天一些最安全、最可靠的反应堆。此外，支持轻水慢化反应堆的基础设施也随之到位，包括燃料供应链和废物管理解决方案。此外，轻水慢化反应堆能够实现高热效率，这转化为更好的燃料利用率和更低的运营成本。它们还可以设计成不同的配置，例如沸水反应堆（BWR）或压水反应堆（PWR），每种配置都提供独特的操作特性和优势。尽管有这些好处，轻水慢化反应堆也面临挑战，尤其是在核废物管理和安全问题上。处理使用过的核燃料仍然是一个重大问题，因为它高度放射性，需要数千年的安全储存。此外，尽管现代LWMR采用了先进的安全特性，但历史事件中发生的事故潜在风险仍然使公众对核能产生担忧。总之，轻水慢化反应堆在全球能源格局中扮演着重要角色，为低碳电力提供了重要来源。其设计和操作优势使其成为许多国家在平衡能源需求与环境关注时的首选。随着技术的进步，持续研究以改善轻水慢化反应堆的安全性和效率，对于确保核能在未来几代人中仍然是一种可行和可持续的选择至关重要。