absorption refrigeration

简明释义

吸收式制冷

英英释义

例句

1.Many industrial plants are adopting absorption refrigeration systems to reduce their carbon footprint.

许多工业厂房正在采用吸收制冷系统以减少碳足迹。

2.The hotel uses absorption refrigeration to provide cooling in an energy-efficient manner.

这家酒店使用吸收制冷以节能的方式提供冷却。

3.A common application of absorption refrigeration is in large-scale air conditioning units.

在大型空调设备中，吸收制冷是一种常见应用。

4.The efficiency of absorption refrigeration is significantly higher than traditional vapor-compression systems.

与传统的蒸汽压缩系统相比，吸收制冷的效率显著更高。

5.In remote areas, absorption refrigeration can be powered by solar energy.

在偏远地区，吸收制冷可以由太阳能供电。

作文

In recent years, the demand for energy-efficient cooling systems has surged, leading to the exploration of various technologies. One such technology is absorption refrigeration, which offers a sustainable alternative to traditional vapor-compression refrigeration systems. This innovative method utilizes heat as its primary energy source, making it particularly appealing in a world increasingly focused on reducing carbon footprints and conserving energy resources.Absorption refrigeration operates on the principle of absorbing heat rather than compressing refrigerants, which is the hallmark of conventional refrigeration systems. The basic components of an absorption refrigeration system include an absorber, a generator, a condenser, and an evaporator. In this system, a refrigerant, typically ammonia or water, is absorbed by a secondary fluid, often lithium bromide. The process begins when heat is applied to the generator, causing the refrigerant to evaporate. The vapor then moves to the absorber, where it is absorbed by the secondary fluid, releasing heat in the process.One of the significant advantages of absorption refrigeration is its ability to utilize waste heat or renewable energy sources. For instance, industrial processes that generate excess heat can integrate absorption refrigeration systems to provide cooling, thereby improving overall energy efficiency. Additionally, solar thermal energy can be harnessed to power these systems, making them an excellent option for regions with abundant sunlight.The environmental benefits of absorption refrigeration are noteworthy. Traditional refrigeration systems often rely on hydrofluorocarbons (HFCs), which are potent greenhouse gases contributing to global warming. In contrast, many absorption refrigeration systems use natural refrigerants like ammonia, which have a much lower environmental impact. This shift not only helps mitigate climate change but also aligns with international efforts to phase out harmful substances under agreements like the Kigali Amendment to the Montreal Protocol.Despite its numerous advantages, absorption refrigeration does come with some challenges. The initial investment cost can be higher compared to conventional systems, which may deter some businesses from adopting this technology. Moreover, absorption refrigeration systems generally have lower efficiency at partial loads, which can be a drawback in applications with fluctuating cooling demands. However, advancements in technology and increased awareness of sustainability issues are gradually overcoming these barriers.In conclusion, absorption refrigeration presents a promising solution for energy-efficient cooling in various applications, especially in industries looking to reduce their environmental impact. By utilizing waste heat and renewable energy sources, this technology not only enhances energy efficiency but also contributes to a more sustainable future. As we continue to innovate and improve these systems, absorption refrigeration could play a crucial role in addressing the global challenge of climate change while meeting our cooling needs effectively.

近年来，节能冷却系统的需求激增，促使人们探索各种技术。其中一种技术是吸收制冷，它为传统的蒸汽压缩制冷系统提供了一种可持续的替代方案。这种创新方法以热量作为其主要能源来源，使其在一个日益关注减少碳足迹和节约能源资源的世界中显得特别有吸引力。吸收制冷的工作原理是吸收热量，而不是压缩制冷剂，这正是传统制冷系统的特点。吸收制冷系统的基本组成部分包括吸收器、发生器、冷凝器和蒸发器。在这个系统中，通常使用氨或水作为制冷剂，它被一种辅助流体（通常是溴化锂）吸收。该过程开始于对发生器施加热量，导致制冷剂蒸发。蒸汽随后移动到吸收器，在那里被辅助流体吸收，同时释放出热量。吸收制冷的一个显著优势是能够利用废热或可再生能源。例如，产生多余热量的工业过程可以将吸收制冷系统整合进来，以提供冷却，从而提高整体能源效率。此外，可以利用太阳热能为这些系统供能，使其成为阳光充足地区的绝佳选择。吸收制冷的环境效益值得注意。传统制冷系统通常依赖氟利昂（HFCs），这是一种强效温室气体，助长全球变暖。相反，许多吸收制冷系统使用天然制冷剂，如氨，这对环境的影响要小得多。这一转变不仅有助于减缓气候变化，还与国际社会在《蒙特利尔议定书》下的基加利修正案等协议中努力淘汰有害物质的目标一致。尽管有众多优势，吸收制冷仍面临一些挑战。与传统系统相比，初始投资成本可能更高，这可能会阻碍一些企业采用这项技术。此外，吸收制冷系统在部分负荷下的效率通常较低，这在需求波动的应用中可能是一个缺点。然而，技术的进步和对可持续性问题的日益关注正在逐渐克服这些障碍。总之，吸收制冷为各类应用中的节能冷却提供了一个有前景的解决方案，尤其是在希望减少环境影响的行业中。通过利用废热和可再生能源，这项技术不仅提高了能源效率，还为可持续的未来做出了贡献。随着我们不断创新和改进这些系统，吸收制冷在应对全球气候变化挑战的同时，有效满足我们的冷却需求方面可能发挥关键作用。