open cycle

简明释义

开式循环

英英释义

例句

1.The open cycle process is often used in gas turbines for power generation.

该开放循环过程通常用于燃气轮机发电。

2.The design of the cooling system follows an open cycle principle.

冷却系统的设计遵循开放循环原则。

3.An open cycle can be more efficient in certain applications compared to closed systems.

在某些应用中，开放循环可能比闭合系统更高效。

4.In an open cycle system, the working fluid is not reused after each cycle.

在开放循环系统中，工作流体在每个循环后不被重复使用。

5.The engine operates on an open cycle, meaning it does not recycle exhaust gases.

该发动机在开放循环下运行，意味着它不回收废气。

作文

The concept of an open cycle is fundamental in various fields, particularly in thermodynamics and engineering. An open cycle refers to a system where the working fluid does not circulate back to its initial state after performing its function. Instead, it is expelled from the system, allowing for a continuous flow of energy or material. This is in contrast to a closed cycle, where the working fluid is recycled within the system. Understanding the implications of an open cycle can help engineers design more efficient systems by optimizing energy use and minimizing waste.In thermal power plants, for example, the open cycle process is often used in gas turbines. In this setup, air is drawn in from the atmosphere, compressed, and mixed with fuel before being ignited. The combustion process generates high-temperature gases that expand rapidly, driving the turbine blades and producing mechanical energy. Once the gases have passed through the turbine, they are released into the atmosphere, completing the open cycle. This method has its advantages, such as simplicity and lower costs, but it also has downsides, including lower efficiency compared to closed-cycle systems.Moreover, the environmental impact of open cycles cannot be overlooked. Since the exhaust gases are released directly into the atmosphere, they contribute to air pollution and greenhouse gas emissions. Therefore, while open cycles can be effective for certain applications, engineers must consider the trade-offs between efficiency, cost, and environmental sustainability.In addition to power generation, the term open cycle is also relevant in the context of refrigeration and air conditioning systems. Traditional refrigeration systems operate on a closed cycle; however, some designs utilize an open cycle approach. For instance, in certain absorption chillers, a refrigerant is absorbed by a solution, and then the mixture is heated to release the refrigerant vapor. This vapor is then condensed and returned to the evaporator, creating a cooling effect. While this is a more complex process, it illustrates how open cycles can be integrated into different technologies.Ultimately, the understanding of open cycles is crucial for engineers and scientists alike. It allows them to innovate and improve existing systems while considering the broader implications of their designs. As we strive for more sustainable solutions in energy and technology, recognizing the role of open cycles will be essential in guiding future developments. The balance between efficiency, cost, and environmental impact will dictate how these systems evolve in the years to come. Therefore, whether in power generation, refrigeration, or other applications, the principles governing open cycles will remain relevant as we seek to advance our technological capabilities while preserving the planet for future generations.

“开放循环”这一概念在多个领域中具有基础性的重要性，尤其是在热力学和工程学中。“开放循环”是指工作流体在完成其功能后并不会循环回初始状态，而是被排出系统，从而允许能量或材料的连续流动。这与闭合循环相对，闭合循环中工作流体在系统内循环使用。理解“开放循环”的含义可以帮助工程师通过优化能源使用和最小化废物来设计更高效的系统。例如，在热电厂中，通常使用“开放循环”过程的燃气轮机。在这种设置中，空气从大气中吸入，被压缩并与燃料混合后点燃。燃烧过程产生高温气体，这些气体迅速膨胀，驱动涡轮叶片，产生机械能。一旦气体通过涡轮，它们就会释放到大气中，完成“开放循环”。这种方法有其优点，例如简单和成本较低，但也有缺点，包括与闭合循环系统相比效率较低。此外，“开放循环”的环境影响也不容忽视。由于废气直接排放到大气中，它们会导致空气污染和温室气体排放。因此，尽管“开放循环”在某些应用中可能有效，工程师仍必须考虑效率、成本和环境可持续性之间的权衡。除了发电外，“开放循环”一词在制冷和空调系统的背景下也相关。传统的制冷系统运行在闭合循环上；然而，一些设计利用了“开放循环”的方法。例如，在某些吸收式冷却器中，制冷剂被溶液吸收，然后加热混合物以释放制冷剂蒸气。然后将该蒸气冷凝并返回到蒸发器，产生制冷效果。虽然这是一个更复杂的过程，但它说明了“开放循环”如何可以集成到不同的技术中。最终，理解“开放循环”对于工程师和科学家都是至关重要的。这使他们能够创新和改进现有系统，同时考虑到设计的更广泛影响。随着我们在能源和技术方面追求更可持续的解决方案，认识到“开放循环”的作用将对指导未来的发展至关重要。效率、成本和环境影响之间的平衡将决定这些系统在未来几年的演变。因此，无论是在发电、制冷还是其他应用中，支配“开放循环”的原则将在我们寻求提升技术能力的同时，保护地球以供未来世代使用时保持相关性。