exhaust valve
简明释义
排气阀
英英释义
A valve that allows exhaust gases to exit an engine cylinder after combustion has occurred. | 一种阀门,允许在燃烧后将废气排出发动机气缸。 |
例句
1.During the inspection, we found that the exhaust valve was leaking.
在检查过程中,我们发现排气阀有泄漏。
2.The mechanic replaced the broken exhaust valve to improve the engine's performance.
机械师更换了损坏的排气阀以提高发动机的性能。
3.The sound of the engine changed when the exhaust valve was damaged.
当排气阀损坏时,发动机的声音发生了变化。
4.A faulty exhaust valve can lead to decreased fuel efficiency in your car.
故障的排气阀会导致汽车燃油效率下降。
5.It's important to regularly check the exhaust valve for any signs of wear and tear.
定期检查排气阀是否有磨损迹象是很重要的。
作文
The internal combustion engine is a marvel of engineering, and one of its critical components is the exhaust valve. The exhaust valve plays a vital role in the engine's operation by allowing the spent gases from the combustion process to exit the cylinder. This process is essential for maintaining the engine's efficiency and performance. Without a properly functioning exhaust valve, the engine would struggle to expel these gases, leading to decreased power and increased emissions.To understand the importance of the exhaust valve, we first need to look at how an internal combustion engine works. In simple terms, the engine operates on a four-stroke cycle: intake, compression, power, and exhaust. During the exhaust stroke, the exhaust valve opens, allowing the burnt gases to escape from the cylinder. This action is crucial because it prepares the cylinder for the next intake of air and fuel mixture, ensuring that the engine can continue to run smoothly.The design and material of the exhaust valve are also significant. Typically made from high-temperature resistant alloys, the exhaust valve must withstand extreme conditions, including high pressure and temperature. Over time, however, these valves can wear out or become damaged, leading to potential engine problems. For instance, a burnt exhaust valve can cause a loss of compression, resulting in poor engine performance and increased fuel consumption.Regular maintenance of the engine, including the exhaust valve, is essential for ensuring longevity and optimal performance. Mechanics often check the condition of the exhaust valve during routine inspections. If any signs of wear or damage are detected, it is crucial to replace the valve promptly to avoid more severe engine issues down the line.In conclusion, the exhaust valve is an integral part of an internal combustion engine's functionality. Its primary role in expelling exhaust gases ensures that the engine operates efficiently and effectively. Understanding the function and importance of the exhaust valve can help car owners appreciate the intricate workings of their vehicles and the significance of regular maintenance. By taking care of the exhaust valve and other engine components, vehicle owners can ensure a smoother ride and better performance for years to come.
内燃机是工程的奇迹,其中一个关键部件是排气阀。排气阀在发动机的运行中起着至关重要的作用,允许燃烧过程中的废气从气缸中排出。这个过程对于保持发动机的效率和性能至关重要。如果没有正常工作的排气阀,发动机将难以排放这些气体,从而导致动力下降和排放增加。要理解排气阀的重要性,我们首先需要了解内燃机的工作原理。简单来说,发动机在四冲程循环中运作:进气、压缩、动力和排气。在排气冲程中,排气阀打开,允许燃烧后的气体从气缸中逸出。这一动作至关重要,因为它为气缸准备下一次空气和燃料混合物的吸入,确保发动机能够继续平稳运行。排气阀的设计和材料也非常重要。通常由耐高温合金制成,排气阀必须承受极端条件,包括高压和高温。然而,随着时间的推移,这些阀门可能会磨损或损坏,从而导致潜在的发动机问题。例如,烧损的排气阀可能导致压缩损失,导致发动机性能下降和燃油消耗增加。对发动机进行定期维护,包括排气阀,对于确保长寿命和最佳性能至关重要。机械师通常在例行检查中检查排气阀的状况。如果发现任何磨损或损坏的迹象,及时更换阀门至关重要,以避免后续更严重的发动机问题。总之,排气阀是内燃机功能的一个重要部分。它在排放废气中的主要作用确保了发动机高效有效地运行。理解排气阀的功能和重要性可以帮助车主欣赏他们车辆的复杂运作以及定期维护的重要性。通过照顾好排气阀和其他发动机组件,车辆拥有者可以确保多年来更顺畅的驾驶体验和更好的性能。
相关单词