pebble bed reactor

简明释义

球形燃料反应堆

英英释义

例句

1.The new energy policy promotes the development of the pebble bed reactor 卵石床反应堆 as a safer alternative to traditional nuclear reactors.

新的能源政策促进了卵石床反应堆 pebble bed reactor的开发，作为传统核反应堆的更安全替代品。

2.Researchers are studying the efficiency of the pebble bed reactor 卵石床反应堆 in generating clean energy.

研究人员正在研究卵石床反应堆 pebble bed reactor在清洁能源生成中的效率。

3.The pebble bed reactor 卵石床反应堆 design allows for higher thermal efficiency compared to conventional reactors.

卵石床反应堆 pebble bed reactor的设计相比于传统反应堆允许更高的热效率。

4.One of the advantages of a pebble bed reactor 卵石床反应堆 is its passive safety features.

卵石床反应堆 pebble bed reactor的一个优点是其被动安全特性。

5.Countries are investing in pebble bed reactors 卵石床反应堆 to diversify their energy sources.

各国正在投资卵石床反应堆 pebble bed reactors以多样化其能源来源。

作文

The concept of a pebble bed reactor is an innovative approach to nuclear power generation that has gained attention in recent years. This type of reactor utilizes spherical fuel elements, often referred to as pebbles, which are typically made of uranium or thorium coated with a layer of graphite. The design of the pebble bed reactor allows for a high level of safety and efficiency, making it an attractive option for future energy needs.One of the most significant advantages of the pebble bed reactor is its inherent safety features. Unlike traditional nuclear reactors, which can be prone to overheating and meltdowns, the pebble bed reactor operates at atmospheric pressure and has a large thermal inertia. This means that even in the event of a cooling failure, the reactor can safely dissipate heat without catastrophic consequences. The pebbles themselves are designed to withstand high temperatures, further enhancing the safety profile of this technology.Moreover, the pebble bed reactor offers a more efficient fuel cycle compared to conventional reactors. The spherical shape of the fuel elements allows for a larger surface area, which improves heat transfer and reduces the amount of fuel needed for operation. Additionally, the ability to continuously refuel the reactor by adding new pebbles while removing spent ones makes it easier to manage the fuel lifecycle. This continuous operation can lead to lower overall costs and reduced waste generation.Environmental considerations are also a crucial factor in the discussion of the pebble bed reactor. As the world seeks sustainable energy solutions to combat climate change, nuclear power remains a viable option due to its low greenhouse gas emissions. The pebble bed reactor contributes to this goal by providing a clean energy source that can operate independently of fossil fuels. Furthermore, the use of thorium as a potential fuel source for these reactors presents an opportunity for even greater sustainability, as thorium is more abundant and generates less long-lived radioactive waste than uranium.Despite the promising features of the pebble bed reactor, challenges remain in its development and implementation. One of the main hurdles is the initial investment required for research, development, and construction. While the operational costs may be lower in the long run, securing funding for new nuclear technologies can be difficult, especially in regions where public sentiment toward nuclear power is negative.Additionally, regulatory frameworks must adapt to accommodate the unique characteristics of the pebble bed reactor. Ensuring that safety standards are met and that public concerns are addressed will be critical for gaining acceptance and support for this technology.In conclusion, the pebble bed reactor represents a significant advancement in nuclear technology, offering enhanced safety, efficiency, and environmental benefits. As the global demand for clean energy continues to rise, exploring innovative solutions like the pebble bed reactor could play a vital role in shaping a sustainable energy future. Continued research and collaboration among scientists, engineers, and policymakers will be essential to overcome existing challenges and realize the full potential of this promising technology.

“卵石床反应堆”的概念是一种创新的核能发电方法，近年来引起了广泛关注。这种类型的反应堆利用球形燃料元件，通常称为卵石，这些卵石通常由铀或钍制成，并涂有一层石墨。卵石床反应堆的设计允许高水平的安全性和效率，使其成为未来能源需求的一个有吸引力的选择。卵石床反应堆最显著的优势之一是其固有的安全特性。与传统核反应堆相比，传统核反应堆容易过热和发生熔毁，卵石床反应堆在大气压力下运行，具有较大的热惯性。这意味着即使在冷却失败的情况下，反应堆也可以安全地散发热量，而不会导致灾难性后果。卵石本身设计能够承受高温，进一步增强了该技术的安全性。此外，卵石床反应堆提供了比传统反应堆更高效的燃料循环。燃料元件的球形形状允许更大的表面积，从而改善热传递并减少操作所需的燃料量。此外，通过添加新卵石并移除耗尽的卵石来持续给反应堆加燃料，使得管理燃料生命周期变得更加容易。这种连续运行可以降低总体成本并减少废物产生。环境因素也是讨论卵石床反应堆时至关重要的因素。随着世界寻求可持续的能源解决方案以应对气候变化，核能由于其低温室气体排放仍然是一个可行的选择。卵石床反应堆通过提供一种可以独立于化石燃料的清洁能源来源，为这一目标做出了贡献。此外，使用钍作为这些反应堆的潜在燃料来源，为更大的可持续性提供了机会，因为钍更丰富，并且产生的长寿命放射性废物少于铀。尽管卵石床反应堆具有良好的前景，但在其开发和实施中仍然面临挑战。主要障碍之一是研究、开发和建设所需的初始投资。虽然长期运营成本可能较低，但在公众对核能的态度消极的地区，确保新核技术的资金支持可能会很困难。此外，监管框架必须适应卵石床反应堆的独特特性。确保满足安全标准并解决公众担忧对于获得对这项技术的接受和支持至关重要。总之，卵石床反应堆代表了核技术的重要进展，提供了更高的安全性、效率和环境利益。随着全球对清洁能源的需求不断上升，探索像卵石床反应堆这样的创新解决方案可能在塑造可持续能源的未来中发挥至关重要的作用。继续进行研究以及科学家、工程师和政策制定者之间的合作将是克服现有挑战，实现这一有前景的技术的全部潜力的关键。