scavenging valve

简明释义

清除阀

英英释义

A scavenging valve is a type of valve used in internal combustion engines, particularly in two-stroke engines, to allow the expulsion of exhaust gases and the intake of fresh air or fuel mixture.

排气阀是一种用于内燃机(特别是两冲程发动机)的阀门,用于排出废气并引入新鲜空气或燃料混合物。

例句

1.Regular maintenance of the scavenging valve is essential for optimal engine efficiency.

定期维护清除阀对于最佳发动机效率至关重要。

2.To diagnose the issue, we need to inspect the scavenging valve for any blockages.

为了诊断问题,我们需要检查清除阀是否有任何堵塞。

3.The technician explained how the scavenging valve helps in expelling exhaust gases from the cylinder.

技术员解释了清除阀如何帮助将废气从气缸中排出。

4.A malfunctioning scavenging valve can lead to increased emissions and reduced power output.

故障的清除阀可能导致排放增加和功率输出减少。

5.The performance of the engine improved significantly after we replaced the faulty scavenging valve.

在我们更换了故障的清除阀后,发动机的性能显著提升。

作文

The scavenging process in internal combustion engines is crucial for optimizing performance and efficiency. One of the key components that facilitate this process is the scavenging valve. The scavenging valve plays a vital role in ensuring that the exhaust gases are expelled from the combustion chamber effectively, allowing fresh air-fuel mixture to enter for the next cycle. This process is essential for maintaining the engine's power output and fuel efficiency. In a typical two-stroke engine, the timing of the scavenging valve operation is critical. When the piston moves down during the exhaust stroke, the scavenging valve opens, allowing the spent gases to exit the cylinder. Simultaneously, as the piston descends further, the intake ports are exposed, permitting the fresh mixture to flow into the cylinder. This overlapping of exhaust and intake processes is what characterizes the scavenging phase in two-stroke engines. However, the effectiveness of the scavenging valve is heavily dependent on its design and the engine's configuration. For instance, in some engines, multiple scavenging valves may be employed to enhance the scavenging effect, thus improving overall performance. The positioning and timing of these valves can significantly influence the engine’s ability to clear out exhaust gases and draw in the new air-fuel mixture.Moreover, advancements in technology have led to the development of electronically controlled scavenging valves, which can adjust their operation based on real-time engine conditions. This adaptability allows for improved scavenging efficiency across various operating conditions, thereby maximizing engine performance and reducing emissions. In summary, the scavenging valve is an integral part of the scavenging process in internal combustion engines. Its proper functioning ensures that exhaust gases are efficiently expelled and that the new air-fuel mixture can enter the combustion chamber without obstruction. As automotive technology continues to evolve, the importance of optimizing scavenging valves cannot be overstated, as they play a significant role in enhancing engine performance, efficiency, and environmental compliance.

在内燃机中,清扫过程对于优化性能和效率至关重要。促进这一过程的关键组件之一是清扫阀清扫阀在确保废气有效排出燃烧室方面发挥着重要作用,从而为下一个循环提供新鲜的空气-燃料混合物。这个过程对于保持发动机的功率输出和燃油效率至关重要。在典型的二冲程发动机中,清扫阀的操作时机至关重要。当活塞在排气行程中向下移动时,清扫阀打开,允许废气从气缸中排出。同时,当活塞进一步下降时,进气口被暴露,允许新鲜的混合气流入气缸。这种排气和进气过程的重叠就是二冲程发动机中清扫阶段的特征。然而,清扫阀的有效性在很大程度上取决于其设计和发动机的配置。例如,在某些发动机中,可能会使用多个清扫阀来增强清扫效果,从而改善整体性能。这些阀门的位置和时机可以显著影响发动机清除废气和吸入新空气-燃料混合物的能力。此外,技术的进步导致了电子控制的清扫阀的发展,这些阀门可以根据实时发动机条件调整其操作。这种适应性允许在各种操作条件下提高清扫效率,从而最大化发动机性能并减少排放。总之,清扫阀是内燃机清扫过程中的一个重要组成部分。它的正常运作确保废气被有效排出,并且新的空气-燃料混合物能够顺利进入燃烧室。随着汽车技术的不断发展,优化清扫阀的重要性不容小觑,因为它们在提升发动机性能、效率和环境合规性方面发挥着重要作用。

相关单词

scavenging

scavenging详解:怎么读、什么意思、用法