scavenging port

简明释义

清除气孔

英英释义

例句

1.During the maintenance check, we found that the scavenging port was clogged with debris.

在维护检查中，我们发现排气口被杂物堵塞。

2.A well-designed scavenging port helps in reducing engine emissions.

设计良好的排气口有助于减少发动机排放。

3.The technician adjusted the angle of the scavenging port for improved performance.

技术员调整了排气口的角度以提高性能。

4.The engine's efficiency is greatly affected by the design of the scavenging port.

发动机的效率受到排气口设计的很大影响。

5.Optimizing the scavenging port can lead to better fuel consumption.

优化排气口可以改善燃油消耗。

作文

In the realm of engineering and mechanics, particularly in the design of internal combustion engines, there are numerous components that play vital roles in ensuring optimal performance. One such component is the scavenging port, which is crucial for the efficient operation of two-stroke engines. Understanding the function and importance of the scavenging port can greatly enhance our comprehension of engine dynamics and contribute to advancements in automotive technology.The scavenging port is essentially an opening in the cylinder wall of a two-stroke engine, designed to facilitate the expulsion of exhaust gases and the intake of fresh air-fuel mixture during the engine's operation. In two-stroke engines, the cycle is completed in just two strokes of the piston, which means that the timing of these processes is critical. The scavenging port allows for the rapid removal of exhaust gases from the combustion chamber, thereby preventing the dilution of the fresh charge that is about to enter the cylinder.During the power stroke, the combustion of the air-fuel mixture generates high pressure that forces the piston down. As the piston moves down, it uncovers the scavenging port, allowing fresh air-fuel mixture to enter the cylinder from the crankcase. This process is known as scavenging, and it is essential for maintaining engine efficiency and power output. If the scavenging port is poorly designed or obstructed, it can lead to incomplete scavenging, resulting in residual exhaust gases remaining in the combustion chamber. This can cause a variety of issues, including decreased power, increased emissions, and potential engine damage.The design of the scavenging port plays a significant role in determining the overall performance of the engine. Engineers must carefully consider factors such as the size, shape, and placement of the port to optimize the scavenging process. For instance, a larger scavenging port may allow for better exhaust gas removal, but it could also disrupt the flow of the incoming air-fuel mixture if not properly balanced. Similarly, the angle at which the scavenging port is positioned can affect the turbulence and velocity of the incoming charge, further influencing the engine's performance.Additionally, the timing of the scavenging port opening in relation to the piston movement is critical. Advanced engine management systems can control the timing of the port's opening to ensure that the scavenging process occurs at the optimal moment, maximizing efficiency and power output. This level of precision is particularly important in high-performance engines, where every fraction of a second counts.In conclusion, the scavenging port is a fundamental component in the operation of two-stroke engines, playing a crucial role in the scavenging process that ensures efficient combustion. A well-designed scavenging port can significantly enhance engine performance, reduce emissions, and improve overall reliability. As automotive technology continues to evolve, understanding the intricacies of components like the scavenging port will be essential for engineers and designers striving to create more efficient and powerful engines. By focusing on the optimization of such elements, we can pave the way for innovations that will define the future of transportation.

在工程和机械的领域，特别是在内燃机的设计中，有许多组件在确保最佳性能方面发挥着至关重要的作用。其中一个组件是废气排放口，它对二冲程发动机的有效运行至关重要。理解废气排放口的功能和重要性，可以极大地提高我们对发动机动态的理解，并有助于汽车技术的进步。废气排放口本质上是二冲程发动机缸壁上的一个开口，旨在促进在发动机运行期间排放废气和吸入新鲜空气-燃料混合物。在二冲程发动机中，循环在活塞的两个冲程中完成，这意味着这些过程的时机至关重要。废气排放口允许迅速从燃烧室中排出废气，从而防止即将进入气缸的新鲜混合物被稀释。在动力冲程中，空气-燃料混合物的燃烧产生高压，迫使活塞向下移动。当活塞向下移动时，它揭开了废气排放口，允许新鲜的空气-燃料混合物从曲轴箱进入气缸。这个过程被称为废气排放，对于维持发动机效率和功率输出至关重要。如果废气排放口设计不良或被阻塞，可能会导致废气排放不完全，导致残留的废气留在燃烧室中。这可能导致各种问题，包括功率下降、排放增加和潜在的发动机损坏。废气排放口的设计在决定发动机整体性能方面起着重要作用。工程师必须仔细考虑诸如口径、形状和位置等因素，以优化废气排放过程。例如，较大的废气排放口可能允许更好的废气排放，但如果没有适当平衡，也可能干扰进入的空气-燃料混合物的流动。同样，废气排放口的倾斜角度也会影响进入混合物的湍流和速度，进一步影响发动机的性能。此外，废气排放口打开的时机与活塞运动的关系至关重要。先进的发动机管理系统可以控制口的打开时机，以确保废气排放过程在最佳时刻发生，从而最大化效率和功率输出。这种精确程度在高性能发动机中尤为重要，因为每一秒的微小差异都至关重要。总之，废气排放口是二冲程发动机操作中的一个基本组件，在确保有效燃烧的废气排放过程中发挥着至关重要的作用。设计良好的废气排放口可以显著提高发动机性能、减少排放并改善整体可靠性。随着汽车技术的不断发展，理解像废气排放口这样的组件的复杂性，对于努力创造更高效、更强大发动机的工程师和设计师来说，将是必不可少的。通过关注这些元素的优化，我们可以为定义未来交通工具的创新铺平道路。