exhaust lag

简明释义

排气滞后

英英释义

例句

1.After upgrading the exhaust system, the exhaust lag was noticeably reduced.

在升级排气系统后，排气滞后明显减少。

2.The technician explained how exhaust lag affects turbocharger performance.

技术人员解释了排气滞后如何影响涡轮增压器的性能。

3.To optimize engine efficiency, engineers must minimize exhaust lag.

为了优化发动机效率，工程师必须尽量减少排气滞后。

4.The car's performance improved significantly after we addressed the exhaust lag.

在我们解决了排气滞后问题后，汽车的性能显著提升。

5.During the race, the driver struggled with exhaust lag on the straightaways.

在比赛中，驾驶员在直道上与排气滞后作斗争。

作文

In the world of engineering and automotive design, understanding various technical terms is crucial for effective communication and innovation. One such term that often arises in discussions about engine performance and efficiency is exhaust lag. This phrase refers to the delay between the moment fuel is ignited in an engine and the moment the exhaust gases are expelled from it. Essentially, exhaust lag can significantly impact the overall performance of a vehicle, influencing acceleration and responsiveness. To understand exhaust lag, we must first delve into how internal combustion engines operate. When fuel is injected and ignited within the engine's cylinders, a rapid expansion of gases occurs, producing power that drives the pistons. However, not all of these gases are expelled immediately. The time it takes for these gases to exit the exhaust system is what we refer to as exhaust lag. This delay can be caused by various factors, including the design of the exhaust system, the size of the engine, and even the type of fuel being used.One of the primary consequences of exhaust lag is a reduction in engine efficiency. When there is a significant delay in expelling exhaust gases, it can lead to a buildup of pressure in the engine, which in turn can affect its performance. This is particularly evident in turbocharged engines, where exhaust lag can result in a phenomenon known as turbo lag. Turbo lag occurs when there is a noticeable delay in the response of the turbocharger due to the time it takes for exhaust gases to reach it. As a result, drivers may experience a momentary lack of power when they accelerate, which can be frustrating and detrimental to the driving experience.Moreover, exhaust lag can also influence emissions. When exhaust gases are not expelled efficiently, it can lead to incomplete combustion, resulting in higher levels of pollutants being released into the atmosphere. This not only affects air quality but can also have legal implications for manufacturers who must adhere to strict emissions regulations.To mitigate the effects of exhaust lag, engineers continuously strive to improve engine designs and exhaust systems. Innovations such as variable geometry turbochargers and advanced exhaust gas recirculation systems aim to reduce the amount of exhaust lag experienced by modern vehicles. These technologies help to optimize the flow of exhaust gases, ensuring that they are expelled more quickly and efficiently, ultimately enhancing engine performance and reducing emissions.In conclusion, exhaust lag is a critical concept in the field of automotive engineering that directly impacts engine performance, efficiency, and emissions. By understanding and addressing the factors that contribute to exhaust lag, engineers can develop more advanced and environmentally friendly vehicles. As technology continues to evolve, the goal remains clear: to minimize exhaust lag and enhance the overall driving experience for consumers worldwide.

在工程和汽车设计的世界中，理解各种技术术语对于有效沟通和创新至关重要。一个经常出现在关于发动机性能和效率讨论中的术语是排气滞后。这个短语指的是燃料在发动机中点燃的瞬间与废气从发动机中排出的瞬间之间的延迟。实际上，排气滞后会显著影响车辆的整体性能，影响加速和响应能力。要理解排气滞后，我们首先必须深入了解内燃机的工作原理。当燃料被喷入并在发动机气缸内点燃时，会迅速产生气体膨胀，产生驱动活塞的动力。然而，并非所有这些气体都会立即排出。废气排出的时间就是我们所称的排气滞后。这种延迟可能由多种因素引起，包括排气系统的设计、发动机的大小，甚至所使用的燃料类型。排气滞后的主要后果之一是发动机效率的降低。当废气排出延迟显著时，可能会导致发动机内压力的积聚，从而影响其性能。这在涡轮增压发动机中尤为明显，其中排气滞后可能导致一种现象，称为涡轮滞后。涡轮滞后发生在由于废气到达涡轮的时间延迟，涡轮增压器的响应出现明显延迟时。因此，驾驶者在加速时可能会经历瞬时的动力缺乏，这可能令人沮丧并对驾驶体验造成不利影响。此外，排气滞后还会影响排放。当废气未能高效排出时，可能导致燃烧不完全，从而释放出更高水平的污染物进入大气。这不仅影响空气质量，还可能对制造商产生法律影响，因为他们必须遵守严格的排放法规。为了减轻排气滞后的影响，工程师们不断努力改进发动机设计和排气系统。可变几何涡轮增压器和先进的废气再循环系统等创新旨在减少现代车辆的排气滞后。这些技术有助于优化废气流动，确保废气更快、更高效地排出，从而最终提高发动机性能并减少排放。总之，排气滞后是汽车工程领域的一个关键概念，直接影响发动机性能、效率和排放。通过理解和解决导致排气滞后的因素，工程师可以开发出更先进、环保的车辆。随着技术的不断发展，目标依然明确：最小化排气滞后，提升全球消费者的整体驾驶体验。