non-condensing engine

简明释义

非凝汽式蒸汽机

英英释义

例句

1.The efficiency of a non-condensing engine 非冷凝发动机 is generally lower than that of a condensing engine.

非冷凝发动机的效率通常低于冷凝发动机。

2.Many older power plants utilize non-condensing engines 非冷凝发动机 because of their lower initial costs.

许多老旧电厂使用非冷凝发动机，因为其初始成本较低。

3.In many industrial applications, a non-condensing engine 非冷凝发动机 is preferred due to its simplicity.

在许多工业应用中，由于其简单性，通常更喜欢使用非冷凝发动机。

4.The design of a non-condensing engine 非冷凝发动机 allows for easier maintenance compared to condensing models.

非冷凝发动机的设计使其比冷凝型号更易于维护。

5.A non-condensing engine 非冷凝发动机 operates at a constant temperature without recovering waste heat.

非冷凝发动机在恒定温度下运行，而不回收废热。

作文

The evolution of steam engines has played a significant role in shaping the modern world. Among the various types of steam engines, the non-condensing engine is particularly noteworthy due to its unique operating principles and historical significance. A non-condensing engine (非冷凝机) operates by using steam that is exhausted at a pressure above atmospheric levels, which means that the steam does not condense back into water within the engine itself. This design allows the engine to maintain higher pressures, resulting in greater efficiency in certain applications.Historically, non-condensing engines were widely used in early industrial applications, especially in areas where high power output was necessary. These engines were often employed in factories, mills, and even in locomotives. The ability of a non-condensing engine (非冷凝机) to operate efficiently at high pressures made it a popular choice for heavy-duty applications. However, one of the drawbacks of this type of engine is that it tends to waste more heat compared to its condensing counterparts, which capture and reuse the steam's latent heat.The principle behind a non-condensing engine is relatively straightforward. When steam is introduced into the cylinder, it pushes the piston down, creating mechanical work. After doing its job, the steam is released into the atmosphere without undergoing condensation. This release can result in a loss of thermal energy, but in many cases, the benefits of immediate power output outweighed the inefficiencies.In contrast, condensing engines utilize a different mechanism. They cool the steam after it has done work, allowing it to turn back into water. This process recycles the water, reducing waste and improving overall efficiency. While non-condensing engines were critical during the early stages of the Industrial Revolution, the advent of condensing technology marked a significant advancement in steam engine design, leading to improved efficiency and lower operational costs.Despite their inefficiencies, non-condensing engines are still relevant today in specific contexts. For instance, they can be found in some marine applications where the engine's ability to function effectively under varying loads is more important than maximizing thermal efficiency. Additionally, non-condensing engines are sometimes used in historical restorations and educational demonstrations to illustrate the principles of steam power.In conclusion, understanding the role of the non-condensing engine (非冷凝机) in the history of steam power provides valuable insights into the development of engineering and technology. While modern advancements have largely shifted towards more efficient designs, the legacy of non-condensing engines remains an essential chapter in the story of industrial progress. Their unique characteristics and applications remind us of the innovative spirit that drove the technological revolutions of the past.

蒸汽机的发展在塑造现代世界方面发挥了重要作用。在各种类型的蒸汽机中，非冷凝机因其独特的操作原理和历史意义而备受关注。非冷凝机（non-condensing engine）通过使用高于大气压力的蒸汽进行排放，这意味着蒸汽不会在发动机内部凝结回水。这种设计使得发动机能够维持更高的压力，从而在某些应用中实现更高的效率。从历史上看，非冷凝机在早期工业应用中被广泛使用，尤其是在需要高功率输出的领域。这些发动机常常被用于工厂、磨坊，甚至是机车。非冷凝机（non-condensing engine）在高压下高效运行的能力使其成为重型应用的热门选择。然而，这种类型的发动机的一个缺点是，与其冷凝对手相比，它往往会浪费更多的热量，因为冷凝机能够捕获并重新利用蒸汽的潜热。非冷凝机的原理相对简单。当蒸汽被引入气缸时，它推动活塞向下运动，创造机械工作。在完成其任务后，蒸汽被释放到大气中，而不经历凝结。这个释放过程可能导致热能的损失，但在许多情况下，立即的功率输出的好处超过了低效。与此相反，冷凝机采用不同的机制。它们在蒸汽完成工作后冷却蒸汽，使其变回水。这一过程回收水分，减少浪费，提高整体效率。虽然非冷凝机在工业革命早期阶段至关重要，但冷凝技术的出现标志着蒸汽机设计的重大进步，导致效率提高和运营成本降低。尽管效率较低，非冷凝机今天仍在特定环境中具有相关性。例如，它们可以在一些海洋应用中找到，在这些应用中，发动机在不同负载下有效运行的能力比最大化热效率更为重要。此外，非冷凝机有时还用于历史修复和教育演示，以说明蒸汽动力的原理。总之，理解非冷凝机（non-condensing engine）在蒸汽动力历史中的作用提供了对工程和技术发展宝贵的见解。虽然现代技术的进步在很大程度上转向了更高效的设计，但非冷凝机的遗产仍然是工业进步故事中的重要一章。它们独特的特征和应用提醒我们，过去推动技术革命的创新精神。