desmodromic

简明释义

英[/ˌdɛz.məˈdrɒ.mɪk/]美[/ˌdɛz.məˈdroʊ.mɪk/]

nDucati is using desmodromic technology to increase the power of its engines and illy uses pressurization to enhance and protect the flavors of its unique blend. n nnFORBES: Best of Italy: Where Illy Meets Ducatin

英英释义

单词用法

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例句

1.The Ducati Panigale features a desmodromic valve system that enhances engine performance.

杜卡迪Panigale配备了desmodromic阀门系统，提升了发动机性能。

2.Many motorcycle enthusiasts prefer desmodromic engines for their precision in valve timing.

许多摩托车爱好者更喜欢desmodromic发动机，因为它们在阀门定时方面的精确性。

3.The desmodromic design eliminates the need for valve springs, resulting in lighter components.

desmodromic设计消除了对阀门弹簧的需求，从而使部件更轻。

4.In racing, a desmodromic system can provide a competitive edge due to its reliability.

在赛车中，desmodromic系统由于其可靠性，可以提供竞争优势。

5.The engineering behind desmodromic valves is complex but offers significant benefits.

desmodromic阀门的工程设计复杂，但提供了显著的好处。

作文

The world of engineering and mechanics often introduces us to a variety of specialized terms, one of which is desmodromic. This term primarily pertains to a specific type of valve actuation system used in some internal combustion engines, particularly in motorcycles. The concept of desmodromic systems can be traced back to the early 20th century and has been famously utilized by Italian motorcycle manufacturer Ducati. In a traditional engine, valves are opened and closed by springs that rely on the engine's camshaft. However, in a desmodromic system, both the opening and closing of the valves are mechanically controlled, eliminating the need for springs altogether. Understanding the significance of desmodromic technology requires a look at its advantages. One of the primary benefits is the precise control it offers over valve timing and lift. This precision allows for better performance at high RPMs, making desmodromic engines particularly favored in racing scenarios. The elimination of valve float—a condition where the valve does not close properly at high speeds—ensures that the engine operates efficiently and powerfully. Furthermore, because there are no springs involved, the overall design can be more compact and lighter, contributing to the overall performance of the motorcycle. However, while desmodromic systems provide remarkable benefits, they also come with their own set of challenges. The complexity of the mechanism means that maintenance can be more demanding than with traditional spring-operated systems. For instance, the precise alignment of the components is critical, and any misalignment can lead to significant performance issues or even engine damage. Additionally, the manufacturing process for desmodromic components can be more intricate and costly, which may affect the overall price of the motorcycles that utilize this technology. In recent years, the popularity of desmodromic systems has sparked interest among engineers and motorcycle enthusiasts alike. Many are drawn to the idea of pushing the boundaries of what is possible in engine design. As technology continues to evolve, we may see further innovations that enhance the desmodromic system, making it more accessible and efficient. For instance, advancements in materials science could lead to lighter and stronger components, improving the overall performance while reducing costs. In conclusion, the term desmodromic represents a fascinating aspect of mechanical engineering that highlights the pursuit of perfection in engine design. Its unique approach to valve actuation not only enhances performance but also poses intriguing challenges that push engineers to innovate. As we continue to explore the possibilities within the realm of automotive technology, the desmodromic system will undoubtedly remain a topic of interest and discussion among professionals and enthusiasts alike. Understanding such concepts enriches our appreciation of engineering marvels and the relentless quest for improvement in mechanical designs.

“desmodromic”这个词在工程和机械领域中经常出现，它主要指的是一种特定的阀门驱动系统，通常用于一些内燃机，尤其是摩托车。desmodromic系统的概念可以追溯到20世纪初，并且被意大利摩托车制造商杜卡迪（Ducati）广泛使用。在传统发动机中，阀门的开启和关闭是由弹簧控制的，这依赖于发动机的凸轮轴。然而，在desmodromic系统中，阀门的开启和关闭都是通过机械方式控制的，从而完全消除了弹簧的需求。 理解desmodromic技术的重要性需要关注其优势。其主要好处之一是它对阀门时序和升程的精确控制。这种精确度使得在高转速下的性能更佳，使得desmodromic发动机在赛车场景中尤为受欢迎。由于消除了阀门浮动——一种在高转速下阀门无法正常关闭的情况——确保了发动机的高效和强力运行。此外，由于没有弹簧，整体设计可以更加紧凑和轻便，从而有助于摩托车的整体性能。 然而，虽然desmodromic系统提供了显著的好处，但它们也带来了自身的一系列挑战。这种机制的复杂性意味着维护可能比传统的弹簧驱动系统更为繁琐。例如，组件的精确对齐至关重要，任何不对齐都可能导致显著的性能问题甚至发动机损坏。此外，制造desmodromic组件的过程可能更为复杂和昂贵，这可能影响到采用该技术的摩托车的整体价格。 近年来，desmodromic系统的普及引发了工程师和摩托车爱好者的兴趣。许多人被推动发动机设计可能性的想法所吸引。随着技术的不断发展，我们可能会看到进一步的创新，增强desmodromic系统，使其更加易于使用和高效。例如，材料科学的进步可能会导致更轻、更强的组件，提高整体性能，同时降低成本。 总之，desmodromic一词代表了机械工程的一个迷人方面，突显了在发动机设计中追求完美的努力。它独特的阀门驱动方法不仅提升了性能，还提出了引人入胜的挑战，推动工程师进行创新。随着我们继续探索汽车技术领域的可能性，desmodromic系统无疑将成为专业人士和爱好者讨论的主题。理解这样的概念丰富了我们对工程奇迹的欣赏，以及在机械设计中不断追求改进的执着追求。