decay heat system

简明释义

衰变热除去系统

英英释义

例句

1.The nuclear plant's safety protocols include a robust decay heat system to manage residual heat safely.

核电厂的安全协议包括一个强大的衰变热系统来安全管理残余热量。

2.Training for staff includes understanding the decay heat system and its operations.

员工培训包括理解衰变热系统及其操作。

3.In the event of a power failure, the decay heat system activates automatically to prevent overheating.

在断电的情况下，衰变热系统会自动启动以防止过热。

4.The decay heat system is crucial for cooling down the reactor after shutdown.

在停机后，衰变热系统对冷却反应堆至关重要。

5.Engineers regularly test the decay heat system to ensure it functions correctly during emergencies.

工程师定期测试衰变热系统以确保其在紧急情况下正常运作。

作文

The concept of a decay heat system is vital in the field of nuclear engineering, particularly when dealing with the aftermath of a nuclear reactor shutdown. After a reactor stops operating, it does not immediately become safe; instead, it continues to produce heat due to the radioactive decay of fission products. This residual heat can pose significant risks if not properly managed. Therefore, understanding the decay heat system is crucial for ensuring safety and stability in nuclear facilities.When a nuclear reactor is operational, it generates a tremendous amount of heat through the process of nuclear fission. However, once the reactor is shut down, the fission reactions cease, but the decay of radioactive isotopes continues. These isotopes, which are produced during fission, have varying half-lives and decay rates, leading to a complex thermal output that must be accounted for in the design of the reactor’s cooling systems.The decay heat system is designed to manage this residual heat effectively. It typically includes various components such as heat exchangers, pumps, and cooling towers that work together to dissipate the heat generated by radioactive decay. The system must be robust enough to handle the heat load for an extended period, as the decay heat can remain significant for days, weeks, or even months after shutdown.One of the key challenges in managing a decay heat system is the need for continuous monitoring and control. Engineers must ensure that the temperature within the reactor core remains within safe limits to prevent overheating, which could lead to structural damage or even a meltdown. This involves using advanced sensors and automated systems that can respond quickly to any changes in temperature or pressure.In addition to safety concerns, the decay heat system also plays a role in the overall efficiency of a nuclear power plant. By effectively managing the residual heat, plants can reduce the time required for cooling down the reactor, allowing for quicker maintenance and refueling operations. This efficiency is crucial in maintaining the economic viability of nuclear energy as a power source.Moreover, the design of a decay heat system must comply with strict regulatory standards to ensure public safety. Regulatory bodies require thorough testing and validation of these systems before they can be approved for use. This includes simulations of various scenarios to assess how the system would perform under different conditions, including potential accidents.In conclusion, the decay heat system is an essential component of nuclear reactor safety and efficiency. Its ability to manage residual heat from radioactive decay is critical in preventing accidents and ensuring that nuclear power remains a viable energy source. As technology advances, ongoing research and development will continue to enhance the effectiveness of these systems, ultimately contributing to safer and more efficient nuclear energy production.

“衰变热系统”的概念在核工程领域至关重要，特别是在处理核反应堆停机后的情况。当反应堆停止运行时，它不会立即变得安全；相反，由于裂变产物的放射性衰变，它仍然会继续产生热量。这种残余热量如果不加以妥善管理，可能会带来重大风险。因此，理解“衰变热系统”对于确保核设施的安全和稳定至关重要。当核反应堆处于运行状态时，通过核裂变过程产生巨大的热量。然而，一旦反应堆关闭，裂变反应就会停止，但放射性同位素的衰变仍然持续。这些同位素在裂变过程中产生，具有不同的半衰期和衰变速率，导致必须在反应堆冷却系统的设计中考虑复杂的热输出。“衰变热系统”旨在有效管理这种残余热量。它通常包括各种组件，如热交换器、泵和冷却塔，这些组件协同工作以散发由放射性衰变产生的热量。该系统必须足够强大，以处理长时间内的热负荷，因为衰变热在停机后的几天、几周甚至几个月内仍然可能显著。管理“衰变热系统”的关键挑战之一是需要持续的监测和控制。工程师必须确保反应堆核心内的温度保持在安全范围内，以防止过热，这可能导致结构损坏甚至熔毁。这涉及使用先进的传感器和自动化系统，能够快速响应任何温度或压力的变化。除了安全问题外，“衰变热系统”在核电厂的整体效率中也发挥着作用。通过有效管理残余热量，电厂可以减少冷却反应堆所需的时间，从而允许更快的维护和加油操作。这种效率对于维持核能作为能源来源的经济可行性至关重要。此外，“衰变热系统”的设计必须遵循严格的监管标准，以确保公共安全。监管机构要求在这些系统得到批准使用之前进行彻底的测试和验证。这包括对各种场景的模拟，以评估系统在不同条件下的表现，包括潜在事故。总之，“衰变热系统”是核反应堆安全和效率的重要组成部分。它管理放射性衰变产生的残余热量的能力，对于防止事故和确保核能仍然是一种可行的能源至关重要。随着技术的进步，持续的研究和开发将继续增强这些系统的有效性，最终有助于更安全、更高效的核能生产。