double-compound engine

简明释义

双联双胀式蒸汽机

英英释义

例句

1.When testing the double-compound engine, we noticed a significant reduction in emissions.

在测试双复合发动机时，我们注意到排放量显著减少。

2.The double-compound engine was developed to meet the increasing demands for sustainable energy solutions.

为了满足对可持续能源解决方案日益增长的需求，开发了双复合发动机。

3.The double-compound engine design allows for better fuel economy compared to traditional engines.

与传统发动机相比，双复合发动机设计允许更好的燃油经济性。

4.The new model of the train is powered by a double-compound engine, which significantly improves its efficiency.

这款新型号的火车由双复合发动机驱动，大大提高了其效率。

5.Engineers are studying the mechanics of a double-compound engine to enhance performance in marine applications.

工程师们正在研究双复合发动机的机械原理，以提高其在海洋应用中的性能。

作文

The evolution of steam engines has marked significant milestones in the history of engineering, and among these innovations, the double-compound engine stands out as a remarkable achievement. A double-compound engine (双重复合机) is a type of steam engine that uses two sets of cylinders to maximize efficiency and power output. This design allows for the expansion of steam in two stages, leading to better utilization of the steam's energy and reducing waste. Historically, the development of the double-compound engine can be traced back to the late 19th century, when engineers sought ways to improve the performance of traditional steam engines. The standard single-cylinder engines were limited in their efficiency, as they could only utilize steam at one pressure level. By introducing a second cylinder, engineers were able to take advantage of the steam's energy more effectively. The first stage of the double-compound engine operates at high pressure, where steam enters the larger cylinder. As the steam expands, it drives the piston, converting thermal energy into mechanical work. After this initial expansion, the steam moves into a smaller, low-pressure cylinder, where it expands further. This two-step process allows the engine to extract more energy from the steam, resulting in improved efficiency compared to single-cylinder designs.One of the most notable applications of the double-compound engine was in marine propulsion. Ships equipped with this technology were able to achieve higher speeds and greater fuel economy, making them more competitive in the growing maritime industry. The introduction of the double-compound engine revolutionized naval architecture and shipping practices, paving the way for modern vessels.In addition to marine use, the double-compound engine found applications in various industrial settings. Factories and manufacturing plants adopted this technology to power machinery, benefiting from its improved efficiency and reliability. As industries expanded during the Industrial Revolution, the demand for powerful and efficient engines led to the widespread adoption of the double-compound engine.Despite its advantages, the double-compound engine was eventually overshadowed by advancements in internal combustion engines and other technologies. However, its legacy remains significant in the understanding of thermodynamics and engine design. The principles behind the double-compound engine continue to influence modern engineering practices, especially in the fields of energy conversion and mechanical systems.In conclusion, the double-compound engine represents a pivotal moment in the evolution of steam technology. Its innovative design allowed for greater efficiency and power, transforming industries and transportation methods. While newer technologies have emerged, the impact of the double-compound engine on engineering and its contributions to the development of modern machinery cannot be overstated. Understanding this technology not only provides insight into historical advancements but also serves as a foundation for future innovations in energy and mechanics.

蒸汽机的发展在工程历史上标志着重要的里程碑，而在这些创新中，双重复合机作为一项显著成就脱颖而出。双重复合机是一种蒸汽机，使用两组气缸以最大化效率和功率输出。这种设计允许蒸汽在两个阶段膨胀，从而更好地利用蒸汽的能量并减少浪费。从历史上看，双重复合机的发展可以追溯到19世纪末，当时工程师们寻求改善传统蒸汽机性能的方法。标准的单缸发动机在效率上受到限制，因为它们只能在一个压力水平下利用蒸汽。通过引入第二个气缸，工程师能够更有效地利用蒸汽的能量。双重复合机的第一阶段在高压下运行，蒸汽进入较大的气缸。当蒸汽膨胀时，它推动活塞，将热能转化为机械功。在这一初始膨胀后，蒸汽移动到一个较小的低压气缸，在那里进一步膨胀。这一两步过程使发动机能够从蒸汽中提取更多的能量，与单缸设计相比，效率得到了提高。双重复合机最显著的应用之一是在海洋推进中。配备这种技术的船只能够实现更高的速度和更好的燃料经济性，使其在日益竞争的海运行业中更具竞争力。双重复合机的引入彻底改变了海军建筑和航运实践，为现代船舶铺平了道路。除了海洋用途，双重复合机还在各种工业环境中找到了应用。工厂和制造厂采用这项技术来为机器提供动力，受益于其更高的效率和可靠性。随着工业在工业革命期间的扩张，对强大且高效的发动机的需求导致了双重复合机的广泛采用。尽管有其优势，双重复合机最终被内燃机和其他技术的进步所掩盖。然而，它的遗产在热力学和发动机设计的理解中仍然具有重要意义。双重复合机背后的原理继续影响现代工程实践，尤其是在能源转换和机械系统领域。总之，双重复合机代表了蒸汽技术演变中的一个关键时刻。其创新设计允许更高的效率和功率，改变了工业和交通方式。虽然新技术已经出现，但双重复合机对工程的影响及其对现代机械发展的贡献不可低估。理解这项技术不仅提供了对历史进步的洞察，也为未来在能源和机械领域的创新奠定了基础。