fuel rod

简明释义

燃料棒

英英释义

例句

1.Engineers monitor the temperature of the fuel rods closely to prevent overheating.

工程师密切监测燃料棒的温度，以防止过热。

2.After a few years, the fuel rods need to be replaced to maintain efficiency.

经过几年后，燃料棒需要更换以保持效率。

3.Each fuel rod is designed to withstand high radiation levels.

每根燃料棒都设计成能够承受高辐射水平。

4.The spent fuel rods are stored in a cooling pool before being processed.

使用过的燃料棒在处理之前储存在冷却池中。

5.The reactor core contains several fuel rods that generate heat through nuclear fission.

反应堆核心包含多个燃料棒，通过核裂变产生热量。

作文

In the world of nuclear energy, the term fuel rod refers to a cylindrical tube that contains nuclear fuel used in a nuclear reactor. These rods are crucial components of the reactor, as they provide the necessary material for sustaining a nuclear chain reaction. Typically made from materials such as zirconium alloy, fuel rods are designed to withstand high temperatures and pressures while maintaining structural integrity. The nuclear fuel inside these rods is usually enriched uranium or plutonium, which undergoes fission when bombarded by neutrons, releasing a significant amount of energy. The design and arrangement of fuel rods within the reactor core are meticulously planned to ensure optimal performance and safety. They are grouped into bundles to form what is known as a fuel assembly. This assembly is submerged in water, which serves as both a coolant and a neutron moderator, enhancing the efficiency of the nuclear reaction. As the fission process occurs, heat is generated, which is then used to produce steam that drives turbines to generate electricity.One of the critical aspects of managing a nuclear reactor is monitoring the condition of the fuel rods. Over time, the nuclear fuel within these rods becomes depleted, and the rods themselves can accumulate radioactive isotopes that are byproducts of the fission process. Therefore, regular inspections and assessments are necessary to determine when the fuel rods need to be replaced. The spent fuel rods are then removed from the reactor and stored in cooling pools before being transported to a long-term storage facility.The use of fuel rods in nuclear reactors has both advantages and disadvantages. On the one hand, nuclear energy is a low-carbon power source that can significantly reduce greenhouse gas emissions compared to fossil fuels. It provides a stable and reliable supply of energy, which is essential for meeting the growing global demand. On the other hand, the management of nuclear waste, including spent fuel rods, poses significant challenges. The long-lived radioactivity of some isotopes necessitates secure and sustainable waste disposal solutions to protect human health and the environment.In conclusion, fuel rods are vital components of nuclear reactors, serving as the source of energy that powers our modern world. Understanding their function, design, and management is essential for anyone interested in the field of nuclear energy. As we continue to explore sustainable energy sources, the role of fuel rods will remain a topic of great importance, balancing the benefits of nuclear power with the responsibilities of safe waste management. In summary, the term fuel rod represents more than just a piece of technology; it embodies the complexities and potential of nuclear energy in our quest for sustainable power solutions.

在核能的世界中，术语燃料棒指的是一种圆柱形管道，包含用于核反应堆的核燃料。这些棒是反应堆的重要组成部分，因为它们提供了维持核链反应所需的材料。通常由锆合金等材料制成，燃料棒旨在承受高温和高压，同时保持结构完整性。其内部的核燃料通常是富集铀或钚，当被中子轰击时发生裂变，释放出大量能量。燃料棒在反应堆核心中的设计和排列经过精心规划，以确保最佳性能和安全性。它们被分组成束，形成所谓的燃料组件。该组件沉浸在水中，水既充当冷却剂，又作为中子慢化剂，提高核反应的效率。随着裂变过程的进行，产生的热量用于产生蒸汽，驱动涡轮机发电。管理核反应堆的一个关键方面是监测燃料棒的状态。随着时间的推移，这些棒中的核燃料会逐渐耗尽，棒本身也会积累裂变过程中产生的放射性同位素。因此，定期检查和评估是必要的，以确定何时需要更换燃料棒。使用过的燃料棒随后从反应堆中移除，并存放在冷却池中，然后运输到长期储存设施。在核反应堆中使用燃料棒具有优缺点。一方面，核能是一种低碳能源，相较于化石燃料，可以显著减少温室气体排放。它提供稳定可靠的能源供应，这对于满足日益增长的全球需求至关重要。另一方面，管理核废料，包括使用过的燃料棒，面临重大挑战。一些同位素的长期放射性要求对废物进行安全和可持续的处置，以保护人类健康和环境。总之，燃料棒是核反应堆的重要组成部分，作为为我们现代世界提供动力的能源来源。理解它们的功能、设计和管理，对于任何对核能感兴趣的人来说都是必不可少的。随着我们继续探索可持续能源来源，燃料棒的角色将仍然是一个重要话题，平衡核能的好处与安全废物管理的责任。总而言之，术语燃料棒不仅代表了一种技术，更体现了在追求可持续能源解决方案过程中核能的复杂性和潜力。