open fuel cycle

简明释义

燃料开式循环

英英释义

例句

1.The open fuel cycle is simpler and more cost-effective compared to a closed cycle.

开放燃料循环相比于封闭循环更简单且更具成本效益。

2.The concept of the open fuel cycle allows for the direct disposal of spent nuclear fuel.

概念中的开放燃料循环允许直接处置使用过的核燃料。

3.In an open fuel cycle, nuclear waste is not reprocessed but stored for long-term management.

在开放燃料循环中，核废料不被再加工，而是长期储存以便管理。

4.An open fuel cycle can minimize the proliferation risk associated with nuclear materials.

开放燃料循环可以最小化与核材料相关的扩散风险。

5.Countries with an open fuel cycle often face less public opposition to nuclear energy.

采用开放燃料循环的国家通常面临较少的公众反对核能。

作文

The concept of an open fuel cycle is crucial in the field of nuclear energy and waste management. An open fuel cycle refers to a system where nuclear fuel is used once in a reactor, and after it has been spent, it is not reprocessed or recycled. Instead, the spent fuel is typically stored or disposed of in geological repositories. This approach contrasts with a closed fuel cycle, where spent fuel is reprocessed to extract usable materials, such as plutonium and uranium, for reuse in reactors. One of the primary advantages of an open fuel cycle is its simplicity and lower initial costs. By using fuel only once, operators can avoid the complexities and expenses associated with reprocessing facilities. This can be particularly beneficial for countries or regions that are new to nuclear energy and may lack the infrastructure to support a more complex system. Moreover, the open fuel cycle minimizes the risks associated with the proliferation of nuclear materials, as there is no extraction of plutonium, which can be used for nuclear weapons. However, the open fuel cycle also presents significant challenges, particularly regarding waste management. The spent fuel generated from nuclear reactors remains highly radioactive and poses long-term storage issues. Countries employing an open fuel cycle must develop effective strategies for the safe handling and disposal of this waste. Geological disposal is often considered the best option, as it involves burying the waste deep underground in stable geological formations. Yet, finding suitable sites for these repositories can be politically and socially contentious. In addition, the environmental impact of an open fuel cycle must be carefully considered. The mining and processing of uranium fuel can have detrimental effects on local ecosystems and communities. Furthermore, the long-term management of radioactive waste raises ethical questions about our responsibility to future generations. Critics argue that an open fuel cycle does not sufficiently address these concerns and advocate for a closed fuel cycle as a more sustainable alternative. Despite these criticisms, proponents of the open fuel cycle argue that it is a practical solution for many nations, especially those with limited resources and experience in nuclear technology. They contend that the immediate benefits of using nuclear power—such as reducing greenhouse gas emissions and providing a stable energy supply—outweigh the long-term challenges associated with waste disposal. In conclusion, the open fuel cycle represents a significant aspect of nuclear energy policy and practice. While it offers certain advantages in terms of cost and simplicity, it also raises critical issues related to waste management and environmental impact. As the world continues to grapple with energy demands and climate change, the debate over the viability of the open fuel cycle versus the closed fuel cycle will remain a key topic among policymakers, scientists, and the public. Ultimately, finding a balanced approach that addresses both energy needs and environmental responsibilities will be essential for the future of nuclear energy.

开放燃料循环的概念在核能和废物管理领域至关重要。开放燃料循环指的是一种系统，其中核燃料在反应堆中使用一次，使用后不进行再处理或回收。相反，使用过的燃料通常被储存或处置于地质储存库。这种方法与封闭燃料循环形成对比，在封闭燃料循环中，使用过的燃料会被再处理以提取可再利用的材料，如钚和铀，以便在反应堆中重复使用。开放燃料循环的主要优点之一是其简单性和较低的初始成本。通过仅使用一次燃料，运营商可以避免与再处理设施相关的复杂性和费用。这对于那些新进入核能领域的国家或地区尤其有利，因为它们可能缺乏支持更复杂系统的基础设施。此外，开放燃料循环最小化了与核材料扩散相关的风险，因为没有提取钚，这可以用于核武器。然而，开放燃料循环也带来了重大挑战，特别是在废物管理方面。核反应堆产生的使用过的燃料仍然高度放射性，并且在长期储存方面存在问题。采用开放燃料循环的国家必须制定有效的策略，以安全处理和处置这些废物。地质处置通常被认为是最佳选择，因为它涉及将废物深埋在稳定的地质构造中。然而，寻找适合这些储存库的地点可能在政治和社会上引发争议。此外，开放燃料循环的环境影响也必须仔细考虑。铀燃料的开采和加工可能对当地生态系统和社区产生不利影响。此外，放射性废物的长期管理引发了关于我们对未来世代责任的伦理问题。批评者认为，开放燃料循环并未充分解决这些问题，并倡导封闭燃料循环作为更可持续的替代方案。尽管存在这些批评，开放燃料循环的支持者认为，对于许多国家来说，它是一种实用的解决方案，尤其是那些资源和核技术经验有限的国家。他们主张，使用核能所带来的直接好处，例如减少温室气体排放和提供稳定的能源供应，超过了与废物处置相关的长期挑战。总之，开放燃料循环代表了核能政策和实践的重要方面。虽然它在成本和简单性方面提供了一些优势，但它也提出了与废物管理和环境影响相关的关键问题。随着世界继续应对能源需求和气候变化，开放燃料循环与封闭燃料循环的可行性之争将继续成为政策制定者、科学家和公众之间的重要话题。最终，找到一个平衡的方法来解决能源需求和环境责任将对核能的未来至关重要。