thermal reactor

简明释义

热中子反应堆

英英释义

A thermal reactor is a type of nuclear reactor that uses thermal neutrons to sustain a nuclear chain reaction, typically utilizing materials such as uranium or plutonium as fuel.

热反应堆是一种核反应堆,利用热中子维持核链反应,通常使用铀或钚等材料作为燃料。

例句

1.Safety protocols are crucial when operating a thermal reactor 热反应堆.

在操作热反应堆时,安全协议至关重要。

2.The efficiency of a thermal reactor 热反应堆 can be improved with advanced cooling systems.

通过先进的冷却系统,可以提高热反应堆的效率。

3.Researchers are studying new materials for the thermal reactor 热反应堆 core.

研究人员正在研究新材料用于热反应堆核心。

4.The design of the thermal reactor 热反应堆 allows for efficient heat transfer.

热反应堆的设计允许高效的热传递。

5.In nuclear power plants, the thermal reactor 热反应堆 is used to generate electricity.

在核电站中,热反应堆用于发电。

作文

In the world of nuclear energy, the term thermal reactor refers to a type of nuclear reactor that uses thermal neutrons to sustain a nuclear chain reaction. This kind of reactor is widely used in various applications, including electricity generation and research. Understanding the principles behind a thermal reactor is essential for anyone interested in nuclear science and engineering.A thermal reactor operates primarily on the principle of neutron moderation. In these reactors, the speed of neutrons is reduced, or moderated, to increase the likelihood of fission reactions occurring. This is typically achieved using materials such as water, heavy water, or graphite. The moderation process allows thermal neutrons to effectively collide with fissile materials like uranium-235 or plutonium-239, leading to the release of significant amounts of energy.One of the most common types of thermal reactors is the pressurized water reactor (PWR). In a PWR, water is kept under high pressure to prevent it from boiling, allowing it to absorb heat generated by nuclear fission. This heated water then circulates through a heat exchanger, where it transfers its heat to a secondary water system, producing steam that drives turbines to generate electricity. Another well-known example of a thermal reactor is the boiling water reactor (BWR). Unlike PWRs, BWRs allow the water used for cooling to boil directly within the reactor vessel. The steam produced is then channeled directly to turbines, making the process somewhat simpler and more efficient. Both PWRs and BWRs are crucial components of many countries' energy infrastructure, providing reliable and low-carbon electricity.The safety of thermal reactors has been a topic of extensive research and development. Modern reactors are designed with multiple safety systems to prevent accidents and mitigate the consequences of any potential failures. For instance, containment structures are built to withstand extreme conditions, and redundant cooling systems ensure that the reactor core remains cool even in emergency situations.In addition to electricity generation, thermal reactors play a vital role in scientific research. Research reactors, which are a specific category of thermal reactors, are used for various purposes, including the production of isotopes for medical applications, material testing, and neutron scattering experiments. These reactors provide a controlled environment for scientists to explore the properties of materials and conduct experiments that would not be possible otherwise.Despite the benefits, the use of thermal reactors also raises concerns about nuclear waste management and the potential for nuclear proliferation. Fissile materials used in these reactors can be repurposed for nuclear weapons if not properly secured. Therefore, international regulations and monitoring are essential to ensure that nuclear technology is used safely and responsibly.In conclusion, the thermal reactor represents a significant advancement in the field of nuclear energy. By utilizing thermal neutrons to facilitate nuclear fission, these reactors have become integral to power generation and scientific research. As the world continues to seek sustainable energy solutions, understanding the workings and implications of thermal reactors will be crucial for future developments in this field. With ongoing innovations and stringent safety measures, thermal reactors can contribute to a cleaner and more efficient energy landscape, while addressing the challenges associated with nuclear technology.

在核能的世界中,术语热反应堆指的是一种利用热中子维持核链反应的核反应堆。这种反应堆广泛应用于各种领域,包括发电和研究。理解热反应堆背后的原理对于任何对核科学和工程感兴趣的人来说都是至关重要的。热反应堆主要基于中子调节的原理运行。在这些反应堆中,中子的速度被减慢或调节,以增加发生裂变反应的可能性。这通常是通过使用水、重水或石墨等材料来实现的。调节过程使得热中子能够有效地与铀-235或钚-239等裂变材料碰撞,从而释放出大量能量。最常见的热反应堆之一是压水反应堆(PWR)。在PWR中,水在高压下保持不沸腾,使其能够吸收核裂变产生的热量。这些加热的水随后循环通过换热器,将热量传递给第二个水系统,产生蒸汽驱动涡轮机发电。另一个著名的热反应堆例子是沸水反应堆(BWR)。与PWR不同,BWR允许用于冷却的水在反应堆容器内直接沸腾。产生的蒸汽然后直接引导到涡轮机,使得这个过程相对简单且更高效。PWR和BWR都是许多国家能源基础设施的重要组成部分,提供可靠且低碳的电力。热反应堆的安全性一直是广泛研究和开发的主题。现代反应堆设计有多个安全系统,以防止事故并减轻任何潜在故障的后果。例如,建造了抗极端条件的围护结构,冗余冷却系统确保即使在紧急情况下反应堆核心也能保持冷却。除了发电之外,热反应堆在科学研究中也发挥着重要作用。研究反应堆是热反应堆的特定类别,用于各种目的,包括生产医疗应用所需的同位素、材料测试和中子散射实验。这些反应堆为科学家提供了一个受控环境,以探索材料的性质并进行其他实验。尽管有诸多好处,使用热反应堆也引发了关于核废料管理和核扩散潜力的担忧。用于这些反应堆的裂变材料如果没有得到妥善保护,可以被重新用于制造核武器。因此,国际法规和监测对于确保核技术的安全和负责任使用至关重要。总之,热反应堆代表了核能领域的重要进展。通过利用热中子促进核裂变,这些反应堆已成为发电和科学研究的不可或缺的部分。随着世界继续寻求可持续的能源解决方案,理解热反应堆的工作原理及其影响将对该领域未来的发展至关重要。随着持续的创新和严格的安全措施,热反应堆可以为更清洁和更高效的能源格局做出贡献,同时应对与核技术相关的挑战。

相关单词

thermal

thermal详解:怎么读、什么意思、用法