pressurized water reactor

简明释义

压水反应堆

英英释义

例句

1.The safety features of a pressurized water reactor 压水反应堆 are designed to prevent core meltdown.

一个压水反应堆 压水反应堆的安全特性旨在防止核心熔毁。

2.The primary coolant in a pressurized water reactor 压水反应堆 is kept under high pressure to prevent it from boiling.

在压水反应堆 压水反应堆中，主要冷却剂在高压下保持，以防止其沸腾。

3.In many countries, the majority of nuclear power plants use a pressurized water reactor 压水反应堆 design.

在许多国家，大多数核电站使用的是压水反应堆 压水反应堆设计。

4.Engineers must carefully monitor the temperature and pressure in a pressurized water reactor 压水反应堆 to ensure safe operation.

工程师必须仔细监测压水反应堆 压水反应堆中的温度和压力，以确保安全运行。

5.A pressurized water reactor 压水反应堆 typically uses enriched uranium as fuel.

一个压水反应堆 压水反应堆通常使用浓缩铀作为燃料。

作文

The world today faces numerous challenges in energy production, particularly as the demand for clean and sustainable energy sources continues to rise. Among the various technologies available, the pressurized water reactor (PWR) stands out as a reliable and efficient method of generating electricity from nuclear power. Understanding how a pressurized water reactor works is essential for appreciating its role in the modern energy landscape.A pressurized water reactor operates by using water as both a coolant and a neutron moderator. In this system, water is kept under high pressure, which prevents it from boiling even at high temperatures. This unique feature allows the reactor to operate efficiently while maintaining safety standards. The core of the reactor contains fuel rods made of enriched uranium, which undergo nuclear fission. As the uranium atoms split, they release a significant amount of heat.This heat is then transferred to the pressurized water circulating through the reactor core. The heated water is pumped to a heat exchanger, where it transfers its thermal energy to a secondary loop of water, causing that water to turn into steam. This steam drives turbines connected to generators, producing electricity. After passing through the turbines, the steam is cooled back into water and returned to the heat exchanger to be reheated, thus completing the cycle.One of the main advantages of a pressurized water reactor is its inherent safety features. Since the primary coolant remains in a liquid state and does not boil, the risk of steam explosions is significantly reduced. Additionally, PWRs are designed with multiple containment barriers to prevent the release of radioactive materials in the event of an accident. This makes them one of the safest options for nuclear energy production.Moreover, the efficiency of a pressurized water reactor contributes to its appeal. PWRs can achieve high thermal efficiencies, converting a substantial portion of the thermal energy generated from fission into electrical energy. This efficiency not only reduces operational costs but also minimizes the environmental impact associated with energy production.However, it is important to acknowledge the challenges that come with using pressurized water reactors. The construction and maintenance of these reactors require significant investment and expertise. Additionally, concerns about nuclear waste management and the potential for catastrophic failures, although rare, remain prevalent in public discourse. To address these issues, ongoing research and development are crucial to enhance the safety and sustainability of PWR technology.In conclusion, the pressurized water reactor is a pivotal technology in the quest for clean energy. Its ability to generate electricity efficiently while prioritizing safety makes it a vital component of the global energy strategy. As we move towards a more sustainable future, understanding and improving upon technologies like the pressurized water reactor will be essential in meeting the world's energy needs responsibly and effectively.

当今世界面临着能源生产的诸多挑战，特别是在对清洁和可持续能源来源的需求不断上升的情况下。在各种可用技术中，压水堆反应堆（PWR）作为一种可靠且高效的核能发电方法脱颖而出。理解压水堆反应堆的工作原理对于欣赏其在现代能源格局中的作用至关重要。压水堆反应堆通过使用水作为冷却剂和中子慢化剂来运行。在此系统中，水在高压下保持，这防止了其在高温下沸腾。这一独特的特性使得反应堆能够高效运作，同时维持安全标准。反应堆的核心包含由浓缩铀制成的燃料棒，这些燃料棒经历核裂变。当铀原子分裂时，会释放出大量的热量。这些热量随后被循环通过反应堆核心的加压水传递。加热的水被泵送到热交换器，在那里将其热能转移到第二个水环路中，使得该水变成蒸汽。这股蒸汽驱动与发电机连接的涡轮，从而产生电力。在经过涡轮后，蒸汽被冷却回水，并返回热交换器进行重新加热，从而完成循环。压水堆反应堆的主要优点之一是其固有的安全特性。由于主冷却剂保持在液态并且不沸腾，蒸汽爆炸的风险显著降低。此外，PWR设计有多个屏障，以防止在事故发生时放射性物质的释放。这使得它们成为核能生产中最安全的选择之一。此外，压水堆反应堆的高效能也增强了其吸引力。PWR能够实现高热效率，将相当一部分来自裂变产生的热能转化为电能。这种效率不仅降低了运营成本，还最小化了与能源生产相关的环境影响。然而，必须承认使用压水堆反应堆所面临的挑战。这些反应堆的建设和维护需要重大投资和专业知识。此外，尽管事故发生的可能性很小，但关于核废料管理和潜在灾难性故障的担忧仍然在公众讨论中占据重要位置。为了解决这些问题，持续的研究和开发对于提高PWR技术的安全性和可持续性至关重要。总之，压水堆反应堆在寻求清洁能源的过程中是一项关键技术。其高效发电和优先考虑安全的能力使其成为全球能源战略的重要组成部分。随着我们向更可持续的未来迈进，理解和改进像压水堆反应堆这样的技术对于负责任和有效地满足世界的能源需求将是必不可少的。