scavenging duct

简明释义

扫气道

英英释义

例句

1.We need to ensure that the scavenging duct is properly aligned to avoid performance issues.

我们需要确保废气回收管道正确对齐，以避免性能问题。

2.The scavenging duct plays a crucial role in reducing emissions from the engine.

废气回收管道在减少发动机排放中起着至关重要的作用。

3.The engine's performance improved significantly after optimizing the scavenging duct.

在优化了废气回收管道后，发动机的性能显著提升。

4.A well-designed scavenging duct can enhance the efficiency of exhaust gas removal.

一个设计良好的废气回收管道可以提高废气排放的效率。

5.During the maintenance check, the technician inspected the scavenging duct for any blockages.

在维护检查期间，技术员检查了废气回收管道是否有任何堵塞。

作文

In the realm of automotive engineering, the design and functionality of various components play a pivotal role in enhancing engine performance. One such critical component is the scavenging duct, which is integral to the process of exhaust gas management in internal combustion engines. The scavenging duct refers to a passageway that facilitates the removal of exhaust gases from the cylinder after combustion, while simultaneously allowing fresh air or fuel-air mixture to enter the cylinder. This process is essential for maintaining optimal engine efficiency and reducing harmful emissions.The importance of the scavenging duct cannot be overstated. In a typical four-stroke engine, the cycle consists of intake, compression, power, and exhaust strokes. During the exhaust stroke, the spent gases need to be expelled from the cylinder effectively. The scavenging duct aids in this expulsion process by creating a pathway that promotes the flow of exhaust gases out of the combustion chamber. By ensuring that the old gases are cleared efficiently, the scavenging duct allows for a more effective intake of fresh charge, which is crucial for the next power stroke.Moreover, the design of the scavenging duct can significantly influence engine performance. Engineers often optimize the shape and size of the duct to enhance the velocity of the exhaust gases as they exit the cylinder. A well-designed scavenging duct can create a negative pressure zone that helps draw out the exhaust gases more effectively, thereby improving the overall scavenging process. This optimization leads to better fuel efficiency, increased power output, and reduced emissions.In addition to its functional benefits, the scavenging duct also plays a role in the thermal management of the engine. By facilitating the rapid removal of hot exhaust gases, the duct helps maintain optimal operating temperatures within the engine. Excessive heat can lead to engine knock and other performance issues, so the scavenging duct contributes to the longevity and reliability of the engine.Furthermore, advancements in technology have led to the development of various types of scavenging ducts, including those used in two-stroke engines. In two-stroke engines, the scavenging duct must be designed to work in conjunction with the incoming fuel-air mixture, which can complicate the scavenging process. Engineers must carefully balance the timing of the exhaust and intake events to ensure efficient operation. This complexity highlights the importance of precise engineering and design in the creation of effective scavenging ducts.In conclusion, the scavenging duct is a vital component in the internal combustion engine's architecture, playing a key role in exhaust gas management, engine efficiency, and thermal regulation. Its design and functionality significantly impact overall engine performance, making it an area of focus for automotive engineers. As technology continues to evolve, the optimization of scavenging ducts will remain essential for developing cleaner, more efficient engines that meet the demands of modern transportation while minimizing environmental impact.

在汽车工程领域，各个组件的设计和功能在提升发动机性能方面起着关键作用。其中一个重要组件就是清扫管道，它是内燃机废气管理过程中不可或缺的一部分。清扫管道指的是一个通道，它促进在燃烧后将废气从气缸中排出，同时允许新鲜空气或燃油-空气混合物进入气缸。这个过程对于维持最佳发动机效率和减少有害排放至关重要。清扫管道的重要性不容小觑。在典型的四冲程发动机中，循环包括进气、压缩、动力和排气冲程。在排气冲程中，废气需要有效地从气缸中排出。清扫管道通过创建一条促进废气流出燃烧室的通道来帮助这一排放过程。通过确保旧气体被有效清除，清扫管道为下一次动力冲程的有效进气提供了条件，这对发动机的运行至关重要。此外，清扫管道的设计可以显著影响发动机性能。工程师通常会优化管道的形状和大小，以增强废气在气缸外部的流速。设计良好的清扫管道能够创造一个负压区，帮助更有效地抽出废气，从而改善整体清扫过程。这种优化能提高燃油效率、增加功率输出并减少排放。除了功能性优势外，清扫管道还在发动机的热管理中发挥着作用。通过促进热废气的快速排出，管道有助于保持发动机的最佳工作温度。过高的温度可能导致发动机爆震和其他性能问题，因此清扫管道有助于延长发动机的使用寿命和可靠性。此外，技术的进步导致了各种类型的清扫管道的开发，包括用于二冲程发动机的管道。在二冲程发动机中，清扫管道必须设计成与进入的燃油-空气混合物协同工作，这使得清扫过程变得复杂。工程师必须仔细平衡排气和进气事件的时机，以确保高效运行。这种复杂性突显了在创建有效的清扫管道时精确工程和设计的重要性。总之，清扫管道是内燃机结构中的一个重要组件，在废气管理、发动机效率和热调节方面发挥着关键作用。其设计和功能对整体发动机性能产生重大影响，使其成为汽车工程师关注的领域。随着技术的不断发展，优化清扫管道仍将对于开发更清洁、更高效的发动机至关重要，这些发动机不仅满足现代交通的需求，还能最小化对环境的影响。