scavenging engine

简明释义

扫气发动机

英英释义

例句

1.The scavenging engine's ability to remove exhaust gases is crucial for maintaining performance.

清 scavenging engine 去除废气的能力对于维持性能至关重要。

2.Engine manufacturers are focusing on optimizing the scavenging engine process to reduce emissions.

发动机制造商正专注于优化清 scavenging engine 过程以减少排放。

3.A two-stroke scavenging engine requires precise timing for optimal operation.

两冲程清 scavenging engine 需要精确的时机才能达到最佳操作。

4.The performance of the scavenging engine significantly improved after the recent upgrades.

最近的升级后，清 scavenging engine 的性能显著提高。

5.In marine applications, a well-designed scavenging engine can enhance fuel efficiency.

在海洋应用中，设计良好的清 scavenging engine 可以提高燃油效率。

作文

The concept of a scavenging engine is crucial in the field of mechanical engineering, particularly in the design and operation of internal combustion engines. A scavenging engine refers to a type of engine that effectively removes exhaust gases from the combustion chamber after the power stroke, allowing for fresh air and fuel to enter for the next cycle. This process is essential for maintaining engine efficiency and performance. In traditional two-stroke engines, scavenging is particularly important because there is no separate exhaust stroke, making it necessary to ensure that spent gases are expelled quickly and efficiently. One of the primary methods of scavenging involves the use of ports and valves to facilitate the flow of air and fuel into the combustion chamber while simultaneously pushing out the exhaust gases. The design of these ports can significantly impact the engine's overall performance. For instance, in a well-designed scavenging engine, the incoming air creates a low-pressure area that helps draw out the remaining exhaust gases. This is often referred to as 'positive scavenging.' Another method of scavenging is known as 'loop scavenging,' which is commonly used in two-stroke engines. In this method, the incoming fresh charge moves in a loop around the combustion chamber, helping to displace the exhaust gases. This technique can lead to more efficient combustion and increased power output, making it a popular choice for high-performance applications. The effectiveness of a scavenging engine can be influenced by several factors, including the engine's design, the speed at which it operates, and the characteristics of the fuel being used. Engineers must carefully consider these elements when designing an engine to ensure optimal scavenging. For example, using fuels with different properties can alter the combustion process and, subsequently, the scavenging efficiency. In recent years, advancements in technology have led to the development of more sophisticated scavenging systems. Turbochargers and superchargers are now commonly employed to enhance the scavenging effect by forcing more air into the combustion chamber, thereby improving the engine's performance. These innovations have made modern scavenging engines more powerful and efficient than ever before. In conclusion, understanding the principles behind a scavenging engine is vital for anyone involved in automotive engineering or related fields. The ability to effectively scavenge exhaust gases directly impacts an engine's performance, efficiency, and emissions. As technology continues to evolve, the importance of efficient scavenging systems will only grow, paving the way for cleaner and more powerful engines in the future. By mastering the concepts surrounding scavenging engines, engineers can contribute to the development of greener technologies that meet the demands of an ever-changing automotive landscape.

“清扫发动机”这一概念在机械工程领域至关重要，尤其是在内燃机的设计和操作中。“清扫发动机”指的是一种有效地从燃烧室中排除废气的发动机，在动力行程之后，允许新鲜空气和燃料进入下一个循环。这个过程对于保持发动机的效率和性能是必不可少的。在传统的两冲程发动机中，清扫尤为重要，因为没有单独的排气行程，因此必须确保废气快速有效地排出。清扫的主要方法之一涉及使用气门和阀门来促进空气和燃料流入燃烧室，同时将废气推出。气门的设计可以显著影响发动机的整体性能。例如，在设计良好的“清扫发动机”中，进入的空气会形成低压区，帮助排出剩余的废气。这通常被称为“正清扫”。另一种清扫方法被称为“环形清扫”，这在两冲程发动机中常见。在这种方法中，进入的新鲜混合气在燃烧室周围以环形运动，有助于排出废气。这种技术可以导致更高效的燃烧和增加的功率输出，使其成为高性能应用的热门选择。“清扫发动机”的有效性可能会受到多个因素的影响，包括发动机的设计、运行速度以及所使用燃料的特性。工程师在设计发动机时必须仔细考虑这些元素，以确保最佳清扫效果。例如，使用不同特性的燃料可能会改变燃烧过程，从而影响清扫效率。近年来，技术的进步导致了更复杂的清扫系统的发展。涡轮增压器和机械增压器现在普遍用于增强清扫效果，通过强制更多空气进入燃烧室，从而提高发动机性能。这些创新使现代“清扫发动机”比以往任何时候都更强大和高效。总之，理解“清扫发动机”的原理对于任何参与汽车工程或相关领域的人来说都是至关重要的。有效清扫废气的能力直接影响发动机的性能、效率和排放。随着技术的不断发展，高效清扫系统的重要性只会增加，为未来更清洁、更强大的发动机铺平道路。通过掌握围绕“清扫发动机”的概念，工程师可以为开发符合不断变化的汽车环境需求的绿色技术做出贡献。