crown piston

简明释义

冠形活塞

英英释义

例句

1.The design of the crown piston affects the combustion efficiency.

冠活塞的设计影响燃烧效率。

2.A faulty crown piston can lead to significant engine problems.

故障的冠活塞可能导致严重的发动机问题。

3.The mechanic inspected the crown piston for any signs of wear.

机械师检查了冠活塞是否有磨损迹象。

4.We are testing a new material for the crown piston to enhance durability.

我们正在测试一种新材料用于冠活塞以增强耐用性。

5.During the engine overhaul, we replaced the damaged crown piston to improve performance.

在发动机大修期间，我们更换了受损的冠活塞以提高性能。

作文

The engine is a marvel of modern engineering, and one of its most critical components is the piston. Among the various types of pistons used in internal combustion engines, the term crown piston refers to a specific design that plays a vital role in enhancing engine performance. The crown piston features a dome-shaped top, which allows for better combustion efficiency and improved airflow within the combustion chamber. This unique shape helps in maximizing the volume of air-fuel mixture that can be compressed during the compression stroke, leading to more power output when the fuel ignites.In traditional piston designs, the flat top often limits the amount of air-fuel mixture that can be effectively utilized. However, with the introduction of the crown piston, engineers have been able to optimize the combustion process significantly. The rounded crown not only enhances the turbulence of the air-fuel mixture but also promotes a more uniform distribution of heat, which is essential for efficient combustion. As a result, engines equipped with crown pistons tend to produce higher horsepower and torque compared to those with standard flat-topped pistons.Moreover, the design of the crown piston also contributes to reduced emissions. By ensuring a more complete combustion of the fuel, these pistons help minimize the release of unburned hydrocarbons and other harmful pollutants into the atmosphere. This aspect is particularly important in today's environmentally conscious world, where stringent regulations on vehicle emissions are being enforced.Another advantage of the crown piston design is its ability to withstand higher pressures and temperatures. The dome shape distributes stress more evenly across the surface of the piston, reducing the likelihood of deformation or failure under extreme operating conditions. This durability is crucial for high-performance engines that operate at elevated RPMs and loads.In summary, the crown piston is an essential innovation in the field of engine technology. Its unique design not only enhances combustion efficiency and power output but also contributes to lower emissions and improved durability. As automotive technology continues to evolve, the importance of components like the crown piston will only grow, making it a focal point for engineers striving to create more efficient and powerful engines. Understanding the role of the crown piston is crucial for anyone interested in the mechanics of modern vehicles and the ongoing quest for better performance and sustainability in the automotive industry.

发动机是现代工程的奇迹，其中一个最关键的组成部分是活塞。在内燃机中使用的各种类型的活塞中，术语crown piston指的是一种特定设计，它在提高发动机性能方面发挥着至关重要的作用。crown piston的顶部呈圆顶形状，这使得在燃烧室内提高燃烧效率和改善气流成为可能。这种独特的形状有助于最大化在压缩行程中可以压缩的空气-燃料混合物的体积，从而在燃料点燃时产生更多的功率输出。在传统的活塞设计中，平坦的顶部通常限制了可以有效利用的空气-燃料混合物的数量。然而，随着crown piston的引入，工程师们能够显著优化燃烧过程。圆顶的形状不仅增强了空气-燃料混合物的湍流，而且促进了热量的更均匀分布，这对于高效燃烧至关重要。因此，配备crown pistons的发动机通常比那些使用标准平顶活塞的发动机产生更高的马力和扭矩。此外，crown piston设计的另一个优点是其能够承受更高的压力和温度。圆顶形状更均匀地分布了活塞表面上的应力，减少了在极端工作条件下变形或失效的可能性。这种耐用性对于在高转速和负载下运行的高性能发动机至关重要。总之，crown piston是发动机技术领域的重要创新。其独特的设计不仅提高了燃烧效率和功率输出，还帮助降低了排放并改善了耐用性。随着汽车技术的不断发展，像crown piston这样的组件的重要性只会增加，使其成为工程师在创造更高效、更强大发动机时的重点。理解crown piston的作用对于任何对现代车辆机械感兴趣的人来说都是至关重要的，并且在汽车行业持续追求更好的性能和可持续性中扮演着重要角色。