ignition advance

简明释义

发火提前

英英释义

例句

1.Engine tuning often involves adjusting the ignition advance for optimal performance.

发动机调校通常涉及调整点火提前角以获得最佳性能。

2.If the ignition advance is too low, the engine may experience knocking.

如果点火提前角过低，发动机可能会出现敲击声。

3.A higher ignition advance can lead to better fuel efficiency.

更高的点火提前角可以提高燃油效率。

4.The vehicle's manual provides guidelines on setting the ignition advance correctly.

车辆手册提供了正确设置点火提前角的指南。

5.The mechanic adjusted the ignition advance to improve engine performance.

机械师调整了点火提前角以提高发动机性能。

作文

Understanding the concept of ignition advance is crucial for anyone interested in automotive engineering and performance tuning. The term refers to the timing of when the spark plug ignites the air-fuel mixture in the engine cylinder, relative to the position of the piston. Proper adjustment of ignition advance can significantly affect an engine's performance, efficiency, and emissions. In essence, it determines how early or late the spark occurs in the combustion cycle, which can lead to various outcomes depending on the specific engine design and operating conditions.When an engine is running, the pistons move up and down in a cyclical manner, creating the power needed to drive the vehicle. For optimal performance, the spark must ignite the fuel mixture at just the right moment. If the ignition occurs too early, it can cause a condition known as 'knocking' or 'pinging,' where the fuel detonates prematurely. This can lead to engine damage over time. On the other hand, if the ignition is delayed, it can result in incomplete combustion, leading to wasted fuel and increased emissions.The ideal ignition advance setting varies based on several factors, including engine speed, load, and temperature. Modern engines often use electronic control units (ECUs) that automatically adjust the timing based on real-time data from various sensors. This adaptability allows for improved efficiency and performance across different driving conditions. However, older vehicles may require manual adjustments to the timing, necessitating a deeper understanding of how ignition advance affects overall engine function.Tuning the ignition advance can also be beneficial for those looking to enhance their vehicle's performance. Enthusiasts often experiment with different timing settings to achieve better throttle response and increased horsepower. However, this process requires careful consideration and knowledge, as incorrect adjustments can lead to serious engine issues.In addition to performance benefits, adjusting the ignition advance can also impact fuel economy. In many cases, advancing the timing can lead to better fuel efficiency, as the engine can extract more energy from the combustion process. This is particularly important in today's world, where fuel prices are high, and environmental concerns are at the forefront of automotive design.Moreover, understanding ignition advance is not only limited to performance tuning but also plays a significant role in emissions control. Engines that operate with the correct timing produce fewer harmful emissions, contributing to a cleaner environment. With stricter regulations being enforced worldwide, manufacturers are increasingly focusing on optimizing ignition advance settings to meet these standards.In conclusion, the concept of ignition advance is fundamental in the realm of automotive engineering. It influences engine performance, efficiency, and emissions, making it a critical area of study for both professionals and enthusiasts alike. Whether you are tuning a classic car or working on a modern vehicle, understanding how to properly set and adjust ignition advance can lead to significant improvements in your vehicle's operation. As technology continues to evolve, so too will our understanding of this essential aspect of engine management, paving the way for even more efficient and powerful vehicles in the future.

理解点火提前角的概念对于任何对汽车工程和性能调校感兴趣的人来说都是至关重要的。这个术语指的是火花塞点燃发动机气缸内空气-燃料混合物的时机，相对于活塞的位置。适当调整点火提前角可以显著影响发动机的性能、效率和排放。实际上，它决定了火花在燃烧周期中发生的早晚，这可能会根据特定的发动机设计和工作条件导致各种结果。当发动机运行时，活塞在循环运动中上下移动，产生驱动车辆所需的动力。为了实现最佳性能，火花必须在恰当的时刻点燃燃料混合物。如果点火过早，会导致一种称为“敲缸”或“爆震”的情况，即燃料提前爆炸。这可能会随着时间的推移导致发动机损坏。另一方面，如果点火延迟，可能会导致燃烧不完全，从而浪费燃料并增加排放。理想的点火提前角设置因多个因素而异，包括发动机转速、负载和温度。现代发动机通常使用电子控制单元（ECU），根据来自各种传感器的实时数据自动调整点火时机。这种适应性允许在不同驾驶条件下提高效率和性能。然而，较老的车辆可能需要手动调整时机，因此需要更深入地理解点火提前角如何影响整体发动机功能。调校点火提前角对于那些希望提升车辆性能的人也非常有利。爱好者们常常尝试不同的时机设置，以获得更好的油门响应和更高的马力。然而，这一过程需要谨慎考虑和知识，因为不正确的调整可能会导致严重的发动机问题。除了性能好处外，调整点火提前角也会影响燃油经济性。在许多情况下，提前点火可以提高燃油效率，因为发动机可以从燃烧过程中提取更多能量。在今天这个燃料价格高昂、环境问题备受关注的世界里，这一点尤为重要。此外，理解点火提前角不仅限于性能调校，还在排放控制中发挥着重要作用。以正确的时机运作的发动机会产生更少的有害排放，有助于创造一个更清洁的环境。随着全球范围内日益严格的法规的实施，制造商越来越关注优化点火提前角设置以满足这些标准。总之，点火提前角的概念在汽车工程领域是基础性的。它影响发动机性能、效率和排放，使其成为专业人士和爱好者都必须研究的关键领域。无论你是在调校经典汽车还是在处理现代车辆，理解如何正确设置和调整点火提前角都能显著改善你车辆的运行。随着技术的不断发展，我们对这一发动机管理关键方面的理解也将不断深化，为未来更高效、更强大的车辆铺平道路。