transverse scavenging

简明释义

横流扫气

英英释义

例句

1.Engine simulations revealed that transverse scavenging significantly affects power output.

发动机模拟显示，横向清扫显著影响功率输出。

2.The research focused on optimizing transverse scavenging for better emissions control.

研究集中在优化横向清扫以改善排放控制。

3.Developers are experimenting with transverse scavenging techniques to enhance turbocharger efficiency.

开发人员正在尝试横向清扫技术，以提高涡轮增压器的效率。

4.The design of the engine incorporates transverse scavenging to improve performance.

该发动机的设计采用了横向清扫以提高性能。

5.In two-stroke engines, transverse scavenging can enhance the efficiency of the fuel-air mixture.

在二冲程发动机中，横向清扫可以提高燃油与空气混合物的效率。

作文

In the world of engineering, particularly in the field of internal combustion engines, various scavenging techniques are employed to enhance performance and efficiency. One such technique is known as transverse scavenging. This method involves the use of two opposing intake ports that allow the fresh charge of air-fuel mixture to enter the combustion chamber while simultaneously expelling exhaust gases. The primary advantage of transverse scavenging is its ability to create a more uniform flow of the incoming mixture, which can lead to improved combustion efficiency and reduced emissions.To understand the significance of transverse scavenging, it is essential to consider the basic principles of engine operation. In a typical two-stroke engine, the scavenging process occurs after the combustion stroke. As the piston moves towards the bottom of the cylinder, the intake ports open, allowing fresh air and fuel to enter. At the same time, the exhaust ports are also open, enabling the spent gases to escape. The challenge lies in ensuring that the incoming mixture effectively displaces the exhaust gases without causing turbulence or incomplete combustion.This is where transverse scavenging comes into play. By positioning the intake ports on opposite sides of the cylinder, the design facilitates a crossflow of the air-fuel mixture. This transverse flow helps to sweep away the residual exhaust gases more efficiently, leading to a cleaner combustion process. Additionally, this method can enhance the overall power output of the engine, as a more complete combustion translates into better energy conversion.Moreover, transverse scavenging is particularly beneficial in applications where space is limited, such as in small engines used for motorcycles or lawn equipment. The compact design allows for a more efficient layout of the engine components, making it easier to manufacture and maintain. Engineers often favor this approach in designs where weight and size constraints are critical factors.However, like any engineering solution, transverse scavenging is not without its challenges. One potential drawback is the possibility of backflow, where some of the incoming mixture may escape through the exhaust ports instead of entering the combustion chamber. This can lead to a loss of efficiency and increased emissions. To mitigate this issue, careful tuning of the engine's timing and port sizes is necessary, which can add complexity to the design process.In conclusion, transverse scavenging is a valuable technique in the realm of internal combustion engines, offering numerous advantages in terms of efficiency and performance. By creating a more effective flow of the air-fuel mixture, this method contributes to cleaner combustion and higher power outputs. As engineers continue to innovate and improve engine designs, understanding and mastering concepts like transverse scavenging will remain crucial for advancing automotive technology. The evolution of these techniques will undoubtedly play a significant role in the future of sustainable transportation and engine performance optimization.

在工程领域，尤其是内燃机领域，各种清扫技术被用于提高性能和效率。其中一种技术称为横向清扫。这种方法涉及使用两个相对的进气口，允许新鲜的空气-燃料混合物进入燃烧室，同时排出废气。横向清扫的主要优点是能够创建更均匀的流动，这可以导致燃烧效率的提高和排放的减少。要理解横向清扫的重要性，首先需要考虑发动机运行的基本原理。在典型的两冲程发动机中，清扫过程发生在燃烧冲程之后。当活塞向气缸底部移动时，进气口打开，允许新鲜的空气和燃料进入。同时，排气口也打开，使废气得以逃逸。挑战在于确保进入的混合物有效地排除废气，而不造成湍流或不完全燃烧。这就是横向清扫发挥作用的地方。通过将进气口布置在气缸的两侧，该设计促进了空气-燃料混合物的横向流动。这种横向流动有助于更有效地清除残留的废气，从而导致更清洁的燃烧过程。此外，这种方法可以增强发动机的整体功率输出，因为更完全的燃烧转化为更好的能量转换。此外，横向清扫在空间有限的应用中尤为有利，例如用于摩托车或草坪设备的小型发动机。紧凑的设计允许更高效的发动机组件布局，使制造和维护变得更加容易。工程师们通常在重量和尺寸限制是关键因素的设计中青睐这种方法。然而，像任何工程解决方案一样，横向清扫也并非没有挑战。一个潜在的缺点是可能出现回流，即部分进入的混合物可能通过排气口逃逸，而不是进入燃烧室。这会导致效率损失和排放增加。为了解决这个问题，需要仔细调整发动机的定时和口径，这可能会增加设计过程的复杂性。总之，横向清扫在内燃机领域是一种有价值的技术，在效率和性能方面提供了许多优势。通过创建更有效的空气-燃料混合物流动，这种方法有助于更清洁的燃烧和更高的功率输出。随着工程师们继续创新和改进发动机设计，理解和掌握像横向清扫这样的概念将对推进汽车技术至关重要。这些技术的演变无疑将在可持续交通和发动机性能优化的未来中发挥重要作用。