dome-head piston

简明释义

凸顶活塞

英英释义

A dome-head piston is a type of piston characterized by a rounded or dome-shaped top, which is designed to improve combustion efficiency and reduce emissions in internal combustion engines.

圆顶活塞是一种活塞,其顶部呈圆形或圆顶形状,旨在提高内燃机的燃烧效率并减少排放。

例句

1.The engine's efficiency improved significantly after we replaced the old cylinder with a new dome-head piston.

在我们用新的圆顶活塞替换旧气缸后,发动机的效率显著提高。

2.When tuning the engine, we opted for a dome-head piston to increase the compression ratio.

在调校发动机时,我们选择了圆顶活塞以提高压缩比。

3.The mechanic recommended a dome-head piston for my racing car to enhance its power output.

机械师建议为我的赛车使用圆顶活塞以增强其动力输出。

4.Using a dome-head piston can help reduce emissions by promoting more complete fuel combustion.

使用圆顶活塞可以通过促进更完全的燃料燃烧来帮助减少排放。

5.The design of the dome-head piston allows for better combustion in high-performance engines.

这种圆顶活塞的设计允许在高性能发动机中实现更好的燃烧。

作文

The world of engineering is filled with various components that play crucial roles in the functionality of machines. One such component that is often overlooked is the dome-head piston. This type of piston is characterized by its unique dome-shaped top, which serves several important purposes in mechanical systems. Understanding the design and function of a dome-head piston can provide insights into how engines and other machinery operate efficiently.A dome-head piston is primarily used in internal combustion engines, where it plays a vital role in the compression and combustion processes. The dome shape allows for a more efficient combustion chamber design, promoting better air-fuel mixture and enhancing the overall performance of the engine. When the piston moves up within the cylinder, the dome head compresses the air-fuel mixture, leading to a more powerful explosion when ignited. This results in increased power output and improved fuel efficiency, making it a popular choice among automotive engineers.Moreover, the design of a dome-head piston can significantly influence the engine's thermal efficiency. The dome shape helps to direct the flow of gases within the combustion chamber, ensuring that the mixture burns evenly and completely. This not only maximizes the energy extracted from the fuel but also minimizes harmful emissions, contributing to a cleaner environment. As regulations on emissions become stricter, the importance of such innovations in piston design cannot be overstated.In addition to performance benefits, the use of a dome-head piston can also lead to weight savings in engine design. Traditional flat-top pistons tend to be heavier and may require more material to achieve the same strength. By utilizing a dome shape, engineers can reduce the amount of material needed while maintaining structural integrity. This reduction in weight can lead to lighter vehicles, improving overall handling and fuel economy.However, the implementation of a dome-head piston is not without challenges. The manufacturing process requires precision engineering to ensure that the dome is shaped correctly and that the piston fits perfectly within the cylinder. Any discrepancies can lead to performance issues or even engine failure. Therefore, manufacturers must invest in high-quality materials and advanced production techniques to create reliable dome-head pistons.In conclusion, the dome-head piston is a remarkable example of how innovative design can enhance engine performance and efficiency. Its unique shape not only improves the combustion process but also contributes to better thermal management and reduced emissions. As the automotive industry continues to evolve, the significance of such components will only grow, driving engineers to explore new possibilities in piston design. For anyone interested in mechanics and engineering, understanding the role of a dome-head piston offers valuable insights into the complexities of modern machinery and the ongoing pursuit of innovation in the field.

工程学的世界充满了各种在机器功能中发挥关键作用的组件。其中一个常常被忽视的组件是dome-head piston(穹顶头活塞)。这种类型的活塞以其独特的穹顶形状顶部为特征,具有几个重要的目的。在机械系统中理解dome-head piston的设计和功能可以提供有关发动机和其他机械如何高效运作的见解。dome-head piston主要用于内燃机,在压缩和燃烧过程中发挥着至关重要的作用。穹顶形状允许更高效的燃烧室设计,促进更好的空气-燃料混合,提高发动机的整体性能。当活塞在气缸内向上移动时,穹顶头压缩空气-燃料混合物,导致点燃时产生更强大的爆炸。这导致动力输出增加和燃料效率改善,使其成为汽车工程师的热门选择。此外,dome-head piston的设计可以显著影响发动机的热效率。穹顶形状有助于引导燃烧室内气体的流动,确保混合物均匀且完全燃烧。这不仅最大化了从燃料中提取的能量,还最小化了有害排放,为清洁环境做出了贡献。随着排放法规变得越来越严格,这种活塞设计中的创新的重要性不容小觑。除了性能优势之外,使用dome-head piston还可以在发动机设计中实现重量节省。传统的平顶活塞往往更重,并且可能需要更多材料来达到相同的强度。通过利用穹顶形状,工程师可以减少所需材料的数量,同时保持结构完整性。这种重量减少可以导致更轻的车辆,从而改善整体操控和燃油经济性。然而,实施dome-head piston并非没有挑战。制造过程需要精密工程,以确保穹顶形状正确且活塞与气缸完美契合。任何差异都可能导致性能问题甚至发动机故障。因此,制造商必须投资于高质量材料和先进生产技术,以制造可靠的dome-head pistons。总之,dome-head piston是创新设计如何增强发动机性能和效率的一个杰出例子。其独特的形状不仅改善了燃烧过程,还有助于更好的热管理和减少排放。随着汽车工业的不断发展,这类组件的重要性只会增加,推动工程师探索活塞设计的新可能性。对于任何对机械和工程感兴趣的人来说,理解dome-head piston的作用提供了关于现代机械复杂性的宝贵见解,以及在该领域持续追求创新的过程。

相关单词

piston

piston详解:怎么读、什么意思、用法