scavenging efficiency

简明释义

扫气效率

英英释义

例句

1.Higher scavenging efficiency can lead to reduced emissions and improved fuel economy.

更高的排气清除效率可以减少排放并改善燃油经济性。

2.Optimizing the scavenging efficiency is crucial for enhancing the overall effectiveness of combustion engines.

优化排气清除效率对于提高燃烧发动机的整体效率至关重要。

3.The new engine design significantly improved the scavenging efficiency of exhaust gases, resulting in better performance.

新的发动机设计显著提高了排气清除效率，从而提升了性能。

4.Researchers are studying the factors that influence scavenging efficiency in two-stroke engines.

研究人员正在研究影响二冲程发动机中排气清除效率的因素。

5.The team conducted experiments to measure the scavenging efficiency of various intake designs.

团队进行了实验，以测量不同进气设计的排气清除效率。

作文

In the field of engineering, particularly in internal combustion engines, the term scavenging efficiency refers to the effectiveness with which the engine is able to remove exhaust gases from the combustion chamber and replace them with fresh air-fuel mixture. This process is crucial for optimizing engine performance and fuel efficiency. High scavenging efficiency ensures that the engine runs smoothly, reducing the chances of misfires and improving overall power output. When an engine is designed, engineers focus on various parameters that influence scavenging efficiency, such as the shape of the combustion chamber, the timing of valve openings, and the design of intake and exhaust systems.The importance of scavenging efficiency cannot be overstated. An engine that fails to achieve high scavenging efficiency will struggle with incomplete combustion, leading to wasted fuel and increased emissions. This not only affects the environment but also results in higher operational costs for vehicle owners. Therefore, improving scavenging efficiency is a key objective for automotive manufacturers who aim to meet stringent emissions regulations while maintaining performance standards.One common method to enhance scavenging efficiency is through the use of turbochargers. A turbocharger forces more air into the combustion chamber, allowing for a more complete combustion process. This additional air helps to push out the exhaust gases more effectively, thereby increasing scavenging efficiency. Moreover, advancements in technology have led to the development of variable valve timing systems, which allow for better control over the opening and closing of valves. By optimizing the timing of these events, engineers can significantly improve scavenging efficiency and, consequently, the overall performance of the engine.Another factor that influences scavenging efficiency is the engine speed. At lower RPMs, the flow of exhaust gases may not be sufficient to create the necessary pressure differential that aids in scavenging. Conversely, at higher RPMs, the increased velocity of the exhaust gases can enhance the scavenging process. Understanding this relationship allows engineers to fine-tune engine designs for specific applications, whether it be for racing, everyday driving, or heavy-duty usage.In conclusion, scavenging efficiency plays a vital role in the performance and efficiency of internal combustion engines. It encompasses several factors, including engine design, turbocharging, valve timing, and operating conditions. As the automotive industry continues to evolve, the pursuit of higher scavenging efficiency remains a priority, driving innovations that lead to cleaner, more efficient vehicles. By focusing on this critical aspect of engine performance, manufacturers can contribute to a more sustainable future while satisfying consumer demand for powerful yet efficient vehicles.

在工程领域，特别是在内燃机中，术语scavenging efficiency指的是发动机从燃烧室中有效去除废气并用新鲜的空气-燃料混合物替换它们的能力。这一过程对优化发动机性能和燃油效率至关重要。高scavenging efficiency确保发动机平稳运行，减少失火的可能性，并提高整体功率输出。当设计发动机时，工程师关注影响scavenging efficiency的各种参数，如燃烧室的形状、阀门开启的时机以及进气和排气系统的设计。scavenging efficiency的重要性不容小觑。未能实现高scavenging efficiency的发动机会因燃烧不完全而苦苦挣扎，导致燃料浪费和排放增加。这不仅影响环境，还会导致车辆所有者的运营成本上升。因此，提高scavenging efficiency是汽车制造商的一个关键目标，他们旨在满足严格的排放法规，同时保持性能标准。提高scavenging efficiency的一种常见方法是使用涡轮增压器。涡轮增压器将更多空气压入燃烧室，从而允许更完全的燃烧过程。这额外的空气有助于更有效地排出废气，从而提高scavenging efficiency。此外，技术的进步导致可变气门正时系统的发展，这使得对阀门开启和关闭的更好控制成为可能。通过优化这些事件的时机，工程师可以显著提高scavenging efficiency，从而改善发动机的整体性能。影响scavenging efficiency的另一个因素是发动机转速。在较低的转速下，废气流动可能不足以产生有助于清理的必要压力差。相反，在较高的转速下，废气的流速增加可以增强清理过程。了解这种关系使工程师能够为特定应用精细调整发动机设计，无论是赛车、日常驾驶还是重型使用。总之，scavenging efficiency在内燃机的性能和效率中扮演着至关重要的角色。它涵盖了多个因素，包括发动机设计、涡轮增压、阀门正时和操作条件。随着汽车工业的不断发展，追求更高的scavenging efficiency仍然是优先事项，推动着清洁、更高效车辆的创新。通过关注这一关键的发动机性能方面，制造商可以为更可持续的未来做出贡献，同时满足消费者对强大而高效车辆的需求。