delayed ignition

简明释义

延迟点火

英英释义

例句

1.The pilot reported a delayed ignition during takeoff, causing a brief moment of concern.

飞行员在起飞时报告了延迟点火，引起了短暂的担忧。

2.The engine failed to start immediately due to delayed ignition, which refers to the late firing of the spark plug.

由于延迟点火，发动机未能立即启动，这指的是火花塞的点火时间延迟。

3.To prevent delayed ignition, regular maintenance of the ignition system is essential.

为了防止延迟点火，定期维护点火系统是必不可少的。

4.In high-performance vehicles, delayed ignition can lead to increased emissions and reduced fuel efficiency.

在高性能车辆中，延迟点火可能导致排放增加和燃油效率降低。

5.The technician diagnosed the problem as delayed ignition after observing the engine misfire.

技术人员在观察到发动机失火后，将问题诊断为延迟点火。

作文

In the realm of automotive engineering, the term delayed ignition refers to a phenomenon that occurs when the fuel-air mixture in an engine does not ignite immediately upon the spark plug firing. Instead, there is a brief delay before combustion takes place. This can lead to various performance issues, including decreased engine efficiency and increased emissions. Understanding delayed ignition is crucial for both engineers and car enthusiasts alike, as it can significantly impact the overall operation of a vehicle.One of the primary causes of delayed ignition is improper timing of the ignition system. If the spark plug fires too late in the combustion cycle, the fuel-air mixture may not ignite at the optimal moment, resulting in a lag in power delivery. This can be particularly problematic in high-performance engines, where precise timing is essential for maximizing horsepower and torque. Moreover, delayed ignition can contribute to knocking, a condition where the fuel ignites prematurely, leading to potential damage to engine components.Another factor that can contribute to delayed ignition is the quality of the fuel being used. Fuels with lower octane ratings may not ignite as quickly, leading to a longer delay between the spark and combustion. Additionally, if the fuel system is not delivering the correct air-fuel ratio, this can also result in delayed ignition. For instance, a rich mixture (too much fuel) can cause the combustion process to be less efficient, further exacerbating the delay.To mitigate the effects of delayed ignition, regular maintenance of the ignition system is essential. This includes checking spark plugs for wear and ensuring that they are gapped correctly. Replacing old or faulty ignition components can greatly improve engine responsiveness and reduce the likelihood of delayed ignition. Furthermore, using high-quality fuel can help ensure that the combustion process occurs as intended, minimizing any delays.In addition to mechanical factors, environmental conditions can also play a role in delayed ignition. For example, cold weather can affect the viscosity of the oil and the fuel, which can subsequently influence how quickly the engine warms up and how efficiently it operates. In colder temperatures, the fuel may take longer to vaporize, leading to a delay in ignition. Understanding these environmental impacts allows drivers to take proactive measures, such as allowing their engines to warm up before driving, to minimize the effects of delayed ignition.In conclusion, delayed ignition is a critical concept in the field of automotive mechanics that can have significant implications for engine performance. By understanding the causes and effects of this phenomenon, vehicle owners can take steps to ensure their engines run smoothly and efficiently. Regular maintenance, quality fuel, and awareness of environmental factors can all contribute to reducing the occurrence of delayed ignition, ultimately leading to a better driving experience. As technology continues to evolve, further research into ignition systems will likely yield new solutions to combat this issue, paving the way for more efficient and powerful engines in the future.

在汽车工程领域，术语延迟点火指的是一种现象，当发动机中的燃油-空气混合物在火花塞点火后并未立即点燃，而是经过短暂的延迟才发生燃烧。这可能导致各种性能问题，包括发动机效率降低和排放增加。理解延迟点火对工程师和汽车爱好者来说都至关重要，因为它会显著影响车辆的整体运行。造成延迟点火的主要原因之一是点火系统的时机不当。如果火花塞在燃烧周期中点火过晚，燃油-空气混合物可能不会在最佳时刻点燃，从而导致动力传递的滞后。这在高性能发动机中尤其成问题，因为精确的时机对于最大化马力和扭矩至关重要。此外，延迟点火还可能导致爆震，这是一种燃料过早点燃的情况，可能对发动机部件造成潜在损害。另一个可能导致延迟点火的因素是所用燃料的质量。辛烷值较低的燃料可能不会那么迅速点燃，导致点火与燃烧之间的延迟加长。此外，如果燃油系统未能提供正确的空气-燃料比，也可能导致延迟点火。例如，富混合气（燃料过多）可能导致燃烧过程效率降低，从而进一步加剧延迟。为了减轻延迟点火的影响，定期维护点火系统至关重要。这包括检查火花塞的磨损情况，并确保其间隙正确。更换旧的或故障的点火部件可以大大改善发动机响应性，并减少延迟点火的可能性。此外，使用高质量的燃料可以帮助确保燃烧过程按预期进行，最小化任何延迟。除了机械因素，环境条件也可能在延迟点火中发挥作用。例如，寒冷的天气可能会影响油和燃料的粘度，从而影响发动机的升温速度和运行效率。在较冷的温度下，燃料可能需要更长的时间才能蒸发，导致点火延迟。了解这些环境影响使驾驶者能够采取主动措施，例如在驾驶前让发动机预热，以最小化延迟点火的影响。总之，延迟点火是汽车机械领域中的一个关键概念，对发动机性能有重大影响。通过理解这一现象的原因和影响，车主可以采取措施确保他们的发动机平稳高效地运行。定期维护、优质燃料和对环境因素的关注都可以有助于减少延迟点火的发生，从而最终带来更好的驾驶体验。随着技术的不断发展，进一步研究点火系统可能会产生新的解决方案，以应对这一问题，为未来更高效、更强大的发动机铺平道路。