non pressurized reactor

简明释义

不加压反应堆

英英释义

例句

1.The non pressurized reactor was chosen for this project due to its lower operational costs.

由于运营成本较低，本项目选择了非加压反应器。

2.In pharmaceutical manufacturing, a non pressurized reactor is often used for reactions that require gentle conditions.

在制药生产中，通常使用非加压反应器进行需要温和条件的反应。

3.The design of the non pressurized reactor allows for easier maintenance compared to pressurized systems.

与加压系统相比，非加压反应器的设计使得维护更加容易。

4.The researchers conducted experiments in a non pressurized reactor to observe the chemical reactions at atmospheric pressure.

研究人员在一个非加压反应器中进行实验，以观察在常压下的化学反应。

5.Safety protocols are crucial when operating a non pressurized reactor to prevent any accidental leaks.

在操作非加压反应器时，安全协议至关重要，以防止任何意外泄漏。

作文

In the field of nuclear engineering, various types of reactors are employed to harness nuclear energy for electricity generation. One such type is the non pressurized reactor, which operates under atmospheric pressure rather than the high pressures found in pressurized water reactors (PWRs). This distinction is crucial as it affects both the design and safety features of the reactor. The non pressurized reactor is typically designed to use natural circulation of coolant, allowing for a more straightforward and potentially safer operation. The primary advantage of a non pressurized reactor is its simplicity. Since it does not need to withstand high pressures, the materials used in its construction can be less robust, which may lead to lower overall costs. Additionally, because pressure vessels are not required, the design can be more compact and easier to maintain. This makes the non pressurized reactor an attractive option for certain applications, especially in small modular reactors that aim to provide power in remote locations or for specific industrial processes.However, there are challenges associated with the operation of non pressurized reactors. One significant concern is the management of heat removal. In a pressurized reactor, the coolant is kept at a high temperature and pressure, which allows for efficient heat transfer. In contrast, non pressurized reactors must rely on natural convection to move heat away from the reactor core, which can be less efficient and may pose risks if the cooling is insufficient. Therefore, careful thermal management systems must be designed to ensure that the reactor remains safe under all operating conditions.Safety is another critical aspect when discussing non pressurized reactors. While they may have inherent safety advantages due to their simpler design, they also require robust safety protocols to handle potential accidents. For instance, in the event of a loss of coolant accident, the reactor must have systems in place to prevent overheating and potential core damage. This is where passive safety features come into play, allowing the reactor to cool itself without the need for active intervention.Furthermore, the application of non pressurized reactors extends beyond just electricity generation. They can also be used in research facilities, where the ability to control neutron flux and thermal output is essential for experiments. Their design allows for flexibility in operation, making them suitable for a variety of research applications.In conclusion, the non pressurized reactor represents an important category of nuclear reactors that offers unique advantages and challenges. Its design simplicity and potential cost savings make it an appealing choice for specific applications, while its reliance on natural circulation and thermal management requires careful consideration to ensure safety and efficiency. As the world continues to seek sustainable and reliable energy sources, understanding the role of non pressurized reactors in the broader context of nuclear technology will be crucial for future developments in this field.

在核工程领域，各种类型的反应堆被用来利用核能进行发电。其中一种类型是非加压反应堆，它在大气压力下运行，而不是在加压水反应堆（PWR）中所需的高压。这一区别至关重要，因为它影响反应堆的设计和安全特性。非加压反应堆通常设计为使用冷却剂的自然循环，从而实现更简单且潜在更安全的操作。非加压反应堆的主要优点是其简单性。由于不需要承受高压，因此其结构材料可以不那么坚固，这可能导致整体成本降低。此外，由于不需要压力容器，设计可以更加紧凑且更易于维护。这使得非加压反应堆成为某些应用的有吸引力的选择，特别是在旨在为偏远地区或特定工业过程提供电力的小型模块化反应堆中。然而，非加压反应堆的操作也面临挑战。一个重大问题是热管理。在加压反应堆中，冷却剂保持在高温和高压下，这允许高效的热传递。相比之下，非加压反应堆必须依赖自然对流将热量从反应堆核心转移，这可能效率较低，并可能在冷却不足时带来风险。因此，必须设计出有效的热管理系统，以确保反应堆在所有操作条件下都保持安全。安全性是讨论非加压反应堆时的另一个关键方面。尽管由于其简单的设计可能具有固有的安全优势，但它们也需要强大的安全协议来处理潜在的事故。例如，在冷却剂损失事故发生时，反应堆必须具备防止过热和潜在核心损坏的系统。这就是被动安全特性发挥作用的地方，使反应堆能够在无需主动干预的情况下自我冷却。此外，非加压反应堆的应用不仅限于发电。它们也可以用于研究设施，在这些设施中，控制中子通量和热输出对于实验至关重要。它们的设计允许操作的灵活性，使其适合多种研究应用。总之，非加压反应堆代表了一类重要的核反应堆，具有独特的优点和挑战。其设计简单性和潜在的成本节约使其成为特定应用的吸引选择，而对自然循环和热管理的依赖则需要仔细考虑，以确保安全和效率。随着世界继续寻求可持续和可靠的能源来源，理解非加压反应堆在核技术广泛背景下的作用，对于未来该领域的发展至关重要。