core melt through

简明释义

堆芯全熔化

英英释义

例句

1.In the event of a core melt through 核心熔穿, containment systems must be activated immediately.

如果发生核心熔穿，必须立即启动隔离系统。

2.Engineers are monitoring the temperature closely to prevent any risk of core melt through 核心熔穿 during the test.

工程师们正在密切监测温度，以防止在测试期间出现任何核心熔穿的风险。

3.Training simulations often include scenarios involving core melt through 核心熔穿 for emergency preparedness.

培训模拟通常包括涉及核心熔穿的场景，以便进行应急准备。

4.The safety protocols were updated to address concerns about core melt through 核心熔穿 scenarios.

安全协议已更新，以解决关于核心熔穿场景的担忧。

5.The nuclear reactor experienced a serious incident, leading to a potential core melt through 核心熔穿 situation.

核反应堆发生了严重事故，导致可能的核心熔穿情况。

作文

The term core melt through refers to a critical situation in nuclear reactor safety where the reactor's core, composed of fuel and other materials, reaches such high temperatures that it melts through its containment structure. This phenomenon can occur due to a loss of coolant, which is essential for maintaining safe operating temperatures. When the core overheats, it can lead to catastrophic consequences, including the release of radioactive materials into the environment. Understanding the implications of core melt through is crucial for both nuclear engineers and the general public, as it highlights the potential risks associated with nuclear energy production.In a nuclear reactor, the core is designed to contain the nuclear fuel and facilitate the fission process that generates heat. This heat is used to produce steam, which drives turbines to generate electricity. However, if there is a failure in the cooling system, the temperature within the reactor can rise rapidly. If operators do not respond quickly and effectively, the fuel can begin to melt, leading to a situation known as core melt through. The melted material can then flow out of the reactor vessel, potentially breaching containment barriers and resulting in a release of harmful radiation.Historically, incidents such as the Three Mile Island accident in 1979 and the Fukushima disaster in 2011 have underscored the importance of preventing core melt through. These events prompted significant changes in safety protocols and regulations within the nuclear industry. Engineers now employ advanced safety systems designed to monitor reactor conditions continuously and prevent overheating. Additionally, training programs for reactor operators emphasize the importance of quick decision-making during emergencies to mitigate the risks of a core melt through scenario.Public perception of nuclear energy has been heavily influenced by these incidents. Many people associate nuclear power with danger and catastrophe, primarily because of the potential for core melt through and its consequences. As a result, some countries have opted to phase out nuclear energy in favor of renewable sources, while others continue to invest in improving reactor safety and technology. The debate over nuclear energy often centers around balancing the benefits of low-carbon electricity generation with the inherent risks of nuclear accidents.To further mitigate the chances of a core melt through, researchers are continually exploring new reactor designs that incorporate passive safety features. These designs rely on natural processes, such as gravity and convection, to cool the reactor without the need for active mechanical systems. By reducing reliance on human intervention and complex machinery, these innovations aim to enhance the overall safety of nuclear power plants.In conclusion, the concept of core melt through is a significant concern in the field of nuclear energy. It serves as a reminder of the potential hazards associated with nuclear reactors and the importance of stringent safety measures. As technology advances and safety protocols evolve, the goal remains to harness the benefits of nuclear energy while minimizing the risks to human health and the environment. Public education and transparent communication about nuclear safety are essential in building trust and understanding regarding the role of nuclear power in our energy landscape.

“核心熔化穿透”是指核反应堆安全中的一个关键情况，当反应堆的核心，由燃料和其他材料组成，达到如此高的温度以至于熔化并穿透其封闭结构。这种现象可能由于冷却剂的丧失而发生，而冷却剂对于维持安全的操作温度至关重要。当核心过热时，可能导致灾难性的后果，包括放射性材料释放到环境中。理解核心熔化穿透的影响对核工程师和公众都至关重要，因为它突显了与核能生产相关的潜在风险。在核反应堆中，核心设计用于容纳核燃料并促进产生热量的裂变过程。这些热量用于产生蒸汽，驱动涡轮机发电。然而，如果冷却系统出现故障，反应堆内的温度可能会迅速上升。如果操作员未能快速有效地响应，燃料可能开始熔化，导致称为核心熔化穿透的情况。熔融的材料随后可能流出反应堆容器，潜在地突破封闭屏障，导致有害辐射的释放。历史上，1979年的三里岛事故和2011年的福岛灾难凸显了防止核心熔化穿透的重要性。这些事件促使核工业内部的安全协议和法规发生重大变化。工程师们现在采用先进的安全系统，旨在持续监测反应堆条件并防止过热。此外，反应堆操作员的培训项目强调在紧急情况下快速决策的重要性，以减轻核心熔化穿透场景的风险。公众对核能的看法受到这些事件的严重影响。许多人将核电与危险和灾难联系在一起，主要是因为核心熔化穿透及其后果的潜在性。因此，一些国家选择逐步淘汰核能，转向可再生能源，而另一些国家则继续投资于改善反应堆安全性和技术。关于核能的辩论通常围绕着在低碳电力生产的好处与核事故固有风险之间取得平衡。为了进一步降低核心熔化穿透的可能性，研究人员不断探索新的反应堆设计，这些设计结合了被动安全特征。这些设计依赖于自然过程，如重力和对流，在不需要主动机械系统的情况下冷却反应堆。通过减少对人工干预和复杂机械的依赖，这些创新旨在增强核电站的整体安全性。总之，核心熔化穿透的概念在核能领域是一个重要的关注点。它提醒我们核反应堆相关的潜在危害，以及严格安全措施的重要性。随着技术的进步和安全协议的发展，目标仍然是利用核能的好处，同时最小化对人类健康和环境的风险。关于核安全的公众教育和透明沟通在建立信任和理解核能在我们能源格局中角色方面至关重要。