candu pressurized heavy water cooled

简明释义

加拿大重水慢化加压重水冷却反应堆

英英释义

例句

1.The design of the reactor is based on the principles of candu pressurized heavy water cooled 加拿大重水压冷却反应堆 technology.

该反应堆的设计基于candu pressurized heavy water cooled 加拿大重水压冷却反应堆技术的原理。

2.The efficiency of candu pressurized heavy water cooled 加拿大重水压冷却反应堆 systems makes them a popular choice for nuclear power generation.

由于效率高，candu pressurized heavy water cooled 加拿大重水压冷却反应堆系统成为核电生产的热门选择。

3.Many countries have adopted candu pressurized heavy water cooled 加拿大重水压冷却反应堆 reactors for their energy needs.

许多国家已经采纳了candu pressurized heavy water cooled 加拿大重水压冷却反应堆以满足其能源需求。

4.In a candu pressurized heavy water cooled 加拿大重水压冷却反应堆, heavy water serves as both a coolant and a neutron moderator.

在candu pressurized heavy water cooled 加拿大重水压冷却反应堆中，重水既作为冷却剂也作为中子慢化剂。

5.The safety features of candu pressurized heavy water cooled 加拿大重水压冷却反应堆 are designed to prevent meltdowns.

为了防止熔毁，candu pressurized heavy water cooled 加拿大重水压冷却反应堆的安全特性经过精心设计。

作文

The world of nuclear energy is filled with various technologies and systems designed to harness the power of the atom. One such technology is the candu pressurized heavy water cooled reactor, which has become a significant player in the field of nuclear power generation. Understanding this term requires a grasp of its components: CANDU, pressurized heavy water, and cooling mechanisms.CANDU stands for 'Canada Deuterium Uranium', which refers to the type of reactor design that originated in Canada. This design utilizes natural uranium as fuel and heavy water (D2O) as both a moderator and coolant. The use of heavy water is one of the defining characteristics of CANDU reactors, as it allows for efficient neutron moderation and enables the reactor to operate with natural uranium, eliminating the need for enrichment processes that are required in many other reactor types.The term 'pressurized' in candu pressurized heavy water cooled indicates that the heavy water is maintained at high pressure within the reactor. This is crucial because it prevents the heavy water from boiling, allowing it to absorb heat more effectively. The pressurization also ensures that the reactor can operate at higher temperatures, which improves the overall thermal efficiency of the system. Cooling is another essential aspect of the candu pressurized heavy water cooled reactor design. The heavy water circulates through the reactor core, absorbing heat generated from the fission process. This heated heavy water then transfers its energy to a secondary loop, where it heats conventional water, turning it into steam that drives turbines to generate electricity. This indirect cooling method enhances safety, as it separates the radioactive coolant from the steam that enters the turbines.One of the notable advantages of the candu pressurized heavy water cooled reactor is its flexibility in fuel use. In addition to natural uranium, these reactors can also utilize recycled nuclear fuel and various isotopes, making them adaptable to different fuel sources and reducing waste. Furthermore, the design allows for online refueling, meaning that the reactor can continue operating while new fuel is added, maximizing efficiency and minimizing downtime.However, like all nuclear technologies, the candu pressurized heavy water cooled reactor comes with its own set of challenges. Safety concerns, waste management, and public perception of nuclear energy remain significant hurdles. Ensuring the safety of nuclear plants is paramount, as any incidents can have far-reaching consequences. Additionally, the long-term storage of nuclear waste continues to be a contentious issue, requiring innovative solutions to manage the byproducts of nuclear fission.In conclusion, the candu pressurized heavy water cooled reactor represents a unique approach to nuclear energy production, combining advanced technology with the ability to utilize diverse fuel sources. As the world seeks sustainable energy solutions, understanding and improving upon systems like the CANDU reactor will be essential. By addressing the associated challenges and enhancing safety measures, the future of nuclear energy can be both promising and secure, contributing to a cleaner and more efficient energy landscape worldwide.

核能的世界充满了各种技术和系统，旨在利用原子的力量。其中一种技术是重水冷却的CANDU加压反应堆，它已经成为核电生产领域的重要参与者。理解这个术语需要掌握其组成部分：CANDU、加压重水和冷却机制。CANDU代表“加拿大重氢铀”，指的是源于加拿大的一种反应堆设计。这种设计使用天然铀作为燃料，重水（D2O）作为调节剂和冷却剂。重水的使用是CANDU反应堆的一个定义特征，因为它允许有效的中子调节，并使反应堆能够使用天然铀运行，从而消除了许多其他反应堆类型所需的浓缩过程。在重水冷却的CANDU加压反应堆中，“加压”一词表示重水在反应堆内保持高压。这一点至关重要，因为它防止重水沸腾，使其能够更有效地吸收热量。加压还确保反应堆可以在更高温度下运行，从而提高系统的整体热效率。冷却是重水冷却的CANDU加压反应堆设计的另一个重要方面。重水在反应堆核心中循环，吸收由裂变过程产生的热量。然后，这些加热的重水将其能量转移到第二个回路中，在那里它加热常规水，将其转化为蒸汽，驱动涡轮发电。这种间接冷却方法增强了安全性，因为它将放射性冷却剂与进入涡轮的蒸汽分开。重水冷却的CANDU加压反应堆的一个显著优势是其燃料使用的灵活性。除了天然铀外，这些反应堆还可以利用回收的核燃料和各种同位素，使其能够适应不同的燃料来源并减少废物。此外，该设计允许在线加注燃料，这意味着反应堆可以在添加新燃料的同时继续运行，从而最大化效率并最小化停机时间。然而，像所有核技术一样，重水冷却的CANDU加压反应堆也面临着一系列挑战。安全问题、废物管理和公众对核能的看法仍然是重大障碍。确保核电厂的安全至关重要，因为任何事件都可能产生深远的后果。此外，核废料的长期储存仍然是一个有争议的问题，需要创新的解决方案来管理核裂变的副产品。总之，重水冷却的CANDU加压反应堆代表了一种独特的核能生产方法，将先进技术与利用多样化燃料来源的能力相结合。随着世界寻求可持续能源解决方案，理解和改进像CANDU反应堆这样的系统将是至关重要的。通过解决相关挑战和加强安全措施，核能的未来既可以充满希望，也可以安全，为全球更清洁、更高效的能源格局做出贡献。