reactor scram

简明释义

紧急停止

英英释义

例句

1.The training session focused on how to effectively manage a reactor scram 反应堆紧急停堆 scenario.

培训课程重点讲解如何有效管理反应堆紧急停堆场景。

2.After the unexpected surge in power output, the engineers decided to initiate a reactor scram 反应堆紧急停堆 as a precaution.

在电力输出意外激增后，工程师决定作为预防措施启动反应堆紧急停堆。

3.In case of a malfunction, the plant is designed to perform an automatic reactor scram 反应堆紧急停堆 to ensure safety.

如果发生故障，工厂设计为自动执行反应堆紧急停堆以确保安全。

4.The control room received an alert indicating that a reactor scram 反应堆紧急停堆 was necessary due to rising temperatures.

控制室收到警报，指示由于温度上升需要进行反应堆紧急停堆。

5.During the safety drill, the operators simulated a reactor scram 反应堆紧急停堆 to test their emergency protocols.

在安全演习中，操作员模拟了一个反应堆紧急停堆以测试他们的应急程序。

作文

In the world of nuclear engineering, safety is paramount. One of the critical safety mechanisms in a nuclear reactor is the ability to perform a rapid shutdown, commonly referred to as a reactor scram. A reactor scram is an emergency procedure that involves the quick insertion of control rods into the reactor core to halt the nuclear fission process. This procedure is essential for preventing overheating and potential meltdowns, which could have catastrophic consequences. Understanding how a reactor scram works is crucial for both engineers and operators in the nuclear field. When a nuclear reactor operates, it generates heat through the fission of uranium or other fissile materials. Control rods, made of materials that absorb neutrons, are used to regulate the fission process. Under normal circumstances, these control rods are partially inserted into the reactor core to maintain a steady state of reaction. However, if there is an indication of an anomaly, such as an increase in temperature or pressure, a reactor scram may be initiated. The process of performing a reactor scram is designed to be automatic and instantaneous. Upon detecting unsafe conditions, the reactor's safety systems will trigger the rapid insertion of control rods. This action significantly reduces the rate of fission and, consequently, the heat generated within the reactor. The speed and efficiency of a reactor scram can mean the difference between a safe shutdown and a potential disaster. Historically, there have been several instances where the lack of a timely reactor scram has led to severe accidents. For example, the Three Mile Island incident in 1979 highlighted the importance of having robust safety protocols in place. Although the reactor did not experience a full meltdown, the event raised awareness about the significance of having effective emergency procedures, including the reactor scram. Training for nuclear plant operators includes extensive education on the reactor scram procedure. Operators must be familiar with the reactor's design, the functioning of control rods, and the specific indicators that warrant a scram. Simulated training exercises are conducted regularly to ensure that operators can respond swiftly and appropriately in real-life situations. In conclusion, the concept of a reactor scram is a vital aspect of nuclear reactor safety. It serves as a last line of defense against potential hazards that can arise during reactor operation. By understanding the mechanics and importance of a reactor scram, nuclear engineers and operators can better prepare for emergencies, ensuring the safety of both the facility and the surrounding community. As technology advances, continuous improvements in scram systems will further enhance the safety and reliability of nuclear power generation, making it a more secure energy source for the future.

在核工程的世界中，安全至关重要。核反应堆中的一个关键安全机制是能够快速关闭，通常称为反应堆紧急停堆。反应堆紧急停堆是一种紧急程序，包括将控制棒迅速插入反应堆核心以停止核裂变过程。这一程序对于防止过热和潜在的熔毁至关重要，这可能会导致灾难性的后果。理解反应堆紧急停堆的工作原理对于核领域的工程师和操作员至关重要。当核反应堆运行时，它通过铀或其他裂变材料的裂变产生热量。控制棒由吸收中子的材料制成，用于调节裂变过程。在正常情况下，这些控制棒部分插入反应堆核心，以维持稳定的反应状态。然而，如果出现异常迹象，例如温度或压力的升高，则可能启动反应堆紧急停堆。执行反应堆紧急停堆的过程旨在自动和瞬时进行。在检测到不安全条件时，反应堆的安全系统将触发控制棒的快速插入。这一动作显著降低了裂变速率，从而减少了反应堆内产生的热量。反应堆紧急停堆的速度和效率可能意味着安全停堆与潜在灾难之间的差异。历史上，有几次由于未能及时进行反应堆紧急停堆而导致严重事故。例如，1979年的三里岛事件突显了必须建立强有力的安全协议的重要性。尽管反应堆没有经历完全熔毁，但这一事件提高了人们对有效应急程序（包括反应堆紧急停堆）重要性的认识。核电厂操作员的培训包括对反应堆紧急停堆程序的广泛教育。操作员必须熟悉反应堆的设计、控制棒的功能以及需要进行紧急停堆的具体指示。定期进行模拟训练，以确保操作员能够在实际情况下迅速而适当地响应。总之，反应堆紧急停堆的概念是核反应堆安全的重要方面。它作为防御潜在危险的最后一道防线，可以在反应堆运行过程中出现的问题时保护设施和周边社区的安全。通过理解反应堆紧急停堆的机制和重要性，核工程师和操作员可以更好地为紧急情况做好准备，确保未来核电的安全和可靠性。随着技术的进步，紧急停堆系统的持续改进将进一步增强核电发电的安全性，使其成为未来更安全的能源来源。