heavy water reactor

简明释义

重水反应堆

英英释义

A heavy water reactor is a type of nuclear reactor that uses heavy water (deuterium oxide, D2O) as its neutron moderator and coolant, allowing it to use natural uranium as fuel.

重水反应堆是一种核反应堆,使用重水(氘氧化物,D2O)作为中子慢化剂和冷却剂,使其能够使用天然铀作为燃料。

例句

1.The heavy water reactor 重水反应堆 is known for its efficiency in producing isotopes.

重水反应堆以其高效生产同位素而闻名。

2.The design of a heavy water reactor 重水反应堆 requires advanced engineering skills.

设计一个重水反应堆需要先进的工程技能。

3.The country plans to build a new heavy water reactor 重水反应堆 to enhance its energy independence.

这个国家计划建造一个新的重水反应堆以增强其能源独立性。

4.Researchers are studying the safety protocols for operating a heavy water reactor 重水反应堆 in extreme conditions.

研究人员正在研究在极端条件下操作重水反应堆的安全协议。

5.Many nuclear scientists prefer using a heavy water reactor 重水反应堆 for research purposes.

许多核科学家更喜欢使用重水反应堆进行研究。

作文

The concept of a heavy water reactor is pivotal in the field of nuclear energy. A heavy water reactor utilizes heavy water (D2O), which contains a higher proportion of deuterium compared to regular water (H2O). This unique property allows the reactor to use natural uranium as fuel, unlike light water reactors that require enriched uranium. The ability to use natural uranium is a significant advantage, as it reduces the need for expensive enrichment processes. In a heavy water reactor, the heavy water acts both as a coolant and a neutron moderator. This means it slows down neutrons effectively, increasing the likelihood of fission reactions occurring in the fuel. The design of these reactors is particularly efficient, allowing them to achieve a higher thermal efficiency compared to their light water counterparts. One of the most notable examples of a heavy water reactor is the CANDU reactor, developed in Canada. CANDU stands for Canada Deuterium Uranium, and this reactor design has been widely adopted around the world due to its flexibility and safety features. The CANDU reactor can be fueled with various types of uranium, including low-enriched uranium and even spent fuel from other types of reactors. This versatility makes it a popular choice for countries looking to enhance their energy security and reduce reliance on imported fuels. However, while heavy water reactors have many advantages, they also come with challenges. The use of heavy water is costly, and maintaining the integrity of the reactor's systems is crucial to prevent leaks or contamination. Additionally, the presence of heavy water can pose environmental risks if not managed properly. In recent years, the global landscape of nuclear energy has been changing. Many countries are re-evaluating their nuclear policies and exploring new technologies. Heavy water reactors may play a significant role in the future of sustainable energy production. Their ability to operate on natural uranium and produce less nuclear waste compared to other reactor types positions them as a viable option in the quest for cleaner energy sources. In conclusion, understanding the workings and implications of a heavy water reactor is essential for anyone interested in nuclear energy. As the world moves towards more sustainable energy solutions, heavy water reactors offer a promising avenue for research and development. By harnessing the unique properties of heavy water, we can potentially unlock new levels of efficiency and safety in nuclear power generation. The future of energy may very well depend on innovations in reactor technology, and heavy water reactors are at the forefront of this evolution.

重水反应堆的概念在核能领域中至关重要。重水反应堆利用重水(D2O),其含有较高比例的氘,相比于普通水(H2O)。这一独特特性使得反应堆能够使用天然铀作为燃料,而不像轻水反应堆那样需要富集铀。使用天然铀的能力是一个显著的优势,因为它减少了对昂贵的铀浓缩过程的需求。在重水反应堆中,重水既充当冷却剂,又充当中子慢化剂。这意味着它有效地减缓中子的速度,从而增加燃料中发生裂变反应的可能性。这些反应堆的设计特别高效,使得它们相比于轻水反应堆具有更高的热效率。最著名的重水反应堆之一是CANDU反应堆,该反应堆在加拿大开发。CANDU代表加拿大重氘铀,这种反应堆设计因其灵活性和安全特性而被广泛采用。CANDU反应堆可以使用多种类型的铀作为燃料,包括低浓缩铀甚至其他类型反应堆的乏燃料。这种多样性使其成为希望增强能源安全并减少对进口燃料依赖的国家的热门选择。然而,尽管重水反应堆有许多优点,但它们也面临挑战。重水的使用成本高昂,保持反应堆系统的完整性对于防止泄漏或污染至关重要。此外,如果管理不当,重水的存在可能会带来环境风险。近年来,全球核能格局发生了变化。许多国家正在重新评估其核政策并探索新技术。重水反应堆可能在可持续能源生产的未来中发挥重要作用。它们能够以天然铀为燃料,并且相比于其他类型的反应堆产生更少的核废料,这使它们成为寻找更清洁能源来源的可行选择。总之,理解重水反应堆的工作原理和影响对于任何对核能感兴趣的人来说都是必不可少的。随着世界朝着更可持续的能源解决方案迈进,重水反应堆提供了一个有前景的研究和发展方向。通过利用重水的独特特性,我们可以潜在地解锁核能发电的新效率和安全水平。能源的未来可能很大程度上依赖于反应堆技术的创新,而重水反应堆正处于这一演变的前沿。