scavenging engine

简明释义

扫气效率

英英释义

例句

1.The new model of the car features an advanced scavenging engine that improves fuel efficiency.

这款新车型配备了一种先进的清扫发动机，提高了燃油效率。

2.The motorcycle's scavenging engine allows for quicker acceleration and better torque.

这款摩托车的清扫发动机使加速更快、扭矩更好。

3.Engineers are testing the performance of the scavenging engine in various conditions.

工程师正在不同条件下测试清扫发动机的性能。

4.A proper design of the scavenging engine can significantly reduce emissions.

合理设计的清扫发动机可以显著减少排放。

5.Developing a more efficient scavenging engine is crucial for the future of automotive technology.

开发更高效的清扫发动机对汽车技术的未来至关重要。

作文

The term scavenging engine refers to a specific type of engine design that is commonly used in internal combustion engines, particularly those found in vehicles and industrial applications. The primary function of a scavenging engine is to efficiently remove exhaust gases from the combustion chamber, allowing for a fresh charge of air and fuel to enter. This process is crucial for maintaining optimal engine performance and efficiency.In essence, a scavenging engine operates by utilizing various methods to ensure that the exhaust gases are expelled effectively. One common method involves the use of multiple valves that open and close at precise times during the engine cycle. By coordinating the opening of intake and exhaust valves, engineers can create a pressure differential that helps to draw out the spent gases from the cylinders. This not only enhances the power output of the engine but also reduces emissions, contributing to a cleaner environment.Another important aspect of a scavenging engine is its ability to increase the overall volumetric efficiency. Volumetric efficiency refers to the engine's ability to fill its cylinders with air and fuel during the intake stroke. A well-designed scavenging engine can achieve higher volumetric efficiency by ensuring that more of the cylinder volume is occupied by the fresh air-fuel mixture, rather than being taken up by residual exhaust gases. This leads to improved combustion and greater power production.The concept of scavenging is not limited to just automotive engines; it is also applied in two-stroke engines, where the scavenging process is critical due to the engine's design. In two-stroke engines, the timing of the intake and exhaust processes must be carefully managed to prevent the mixing of fresh fuel with exhaust gases. This is where advanced scavenging techniques come into play, such as using tuned exhaust systems and auxiliary ports to optimize the flow of gases.In the context of modern engineering, the development of scavenging engines has led to significant advancements in performance and efficiency. Engineers are constantly researching new materials and technologies that can improve the scavenging process, such as variable valve timing and turbocharging. These innovations allow for better control over the engine's operation, leading to increased power and reduced fuel consumption.Moreover, the impact of scavenging engines extends beyond just performance metrics. With growing concerns about environmental sustainability, the automotive industry is under pressure to produce engines that are not only powerful but also environmentally friendly. The implementation of effective scavenging techniques helps to minimize harmful emissions, making scavenging engines an essential component of greener technology.In conclusion, understanding the mechanics and importance of a scavenging engine is vital for anyone interested in automotive engineering or engine design. As technology continues to evolve, the principles of scavenging will play an increasingly important role in the development of efficient, high-performance engines that meet both consumer demands and environmental standards. The continuous improvement in scavenging techniques will undoubtedly shape the future of internal combustion engines and their place in a sustainable world.

短语scavenging engine指的是一种特定类型的发动机设计，通常用于内燃机中，尤其是在车辆和工业应用中。scavenging engine的主要功能是有效地清除燃烧室中的废气，从而允许新鲜的空气和燃料进入。这个过程对于维持最佳的发动机性能和效率至关重要。从本质上讲，scavenging engine通过利用各种方法来确保废气被有效排出。一种常见的方法涉及使用多个阀门，在发动机循环的精确时刻打开和关闭。通过协调进气和排气阀的开启，工程师可以创造一个压力差，有助于将废气从气缸中抽出。这不仅增强了发动机的功率输出，还减少了排放，有助于创造一个更清洁的环境。scavenging engine的另一个重要方面是它提高整体容积效率的能力。容积效率是指发动机在进气行程期间填充气缸的空气和燃料的能力。设计良好的scavenging engine能够通过确保气缸体积中更多的空间被新鲜的空气-燃料混合物占据，而不是被残留的废气占据，从而实现更高的容积效率。这导致了更好的燃烧和更大的功率输出。清扫的概念不仅限于汽车发动机；它也应用于两冲程发动机，在这些发动机中，由于其设计，清扫过程至关重要。在两冲程发动机中，进气和排气过程的时机必须得到仔细管理，以防止新鲜燃料与废气混合。这就是先进的清扫技术发挥作用的地方，例如使用调谐排气系统和辅助端口来优化气体流动。在现代工程的背景下，scavenging engines的发展已经导致了性能和效率的显著提升。工程师们不断研究新的材料和技术，以改善清扫过程，例如可变气门正时和涡轮增压。这些创新使得对发动机操作的控制得以改善，从而提高了功率并减少了燃料消耗。此外，scavenging engines的影响不仅限于性能指标。随着对环境可持续性日益关注，汽车行业面临着生产不仅强大而且环保的发动机的压力。有效清扫技术的实施有助于最小化有害排放，使scavenging engines成为更绿色技术的重要组成部分。总之，理解scavenging engine的机制和重要性对于任何对汽车工程或发动机设计感兴趣的人来说都是至关重要的。随着技术的不断发展，清扫的原理将在高效、高性能发动机的开发中发挥越来越重要的作用，以满足消费者需求和环境标准。清扫技术的持续改进无疑将塑造内燃机的未来及其在可持续世界中的地位。