delayed ignition

简明释义

延迟点火

英英释义

例句

1.After adjusting the timing, the mechanic resolved the issue of delayed ignition in the motorcycle.

在调整时机后，机械师解决了摩托车中的延迟点火问题。

2.The technician explained that delayed ignition can lead to increased wear on engine components.

技术员解释说，延迟点火可能导致发动机部件的磨损增加。

3.The pilot noted a delayed ignition during takeoff, which required immediate troubleshooting.

飞行员注意到起飞时出现了延迟点火，这需要立即排查故障。

4.The engine experienced a delayed ignition, causing the car to hesitate before accelerating.

发动机经历了延迟点火，导致汽车在加速前犹豫不决。

5.Due to delayed ignition, the boiler took longer to heat the water than expected.

由于延迟点火，锅炉加热水的时间比预期长。

作文

In the world of engineering and combustion, the term delayed ignition refers to a phenomenon where the fuel-air mixture in an engine or combustion chamber does not ignite immediately upon the application of a spark or heat source. This delay can lead to various issues, including engine knocking, reduced efficiency, and increased emissions. Understanding delayed ignition is crucial for engineers and technicians who aim to optimize engine performance and minimize environmental impact.To grasp the concept of delayed ignition, we must first consider how internal combustion engines operate. In a typical engine cycle, the fuel-air mixture is compressed within the cylinder and then ignited by a spark plug. Ideally, this ignition occurs at the optimal moment to ensure maximum power output and efficiency. However, when the ignition is delayed, the combustion process may occur after the piston has already begun its downward stroke, leading to a loss of power and potential damage to engine components.One of the primary causes of delayed ignition is improper fuel mixture ratios. If the mixture is too rich or too lean, it can affect the combustion characteristics, resulting in a delayed response. Additionally, factors such as temperature, pressure, and the condition of the spark plug can also contribute to this issue. For instance, a worn-out spark plug may not produce a strong enough spark to ignite the mixture promptly, leading to a situation where the ignition is delayed.The consequences of delayed ignition are significant. Not only does it reduce the overall efficiency of the engine, but it can also cause knocking or pinging sounds, which are indicative of abnormal combustion events. These sounds occur when the combustion wave travels back toward the intake valves, creating a shockwave that can damage engine components over time. Moreover, delayed ignition can lead to increased emissions, as unburned fuel escapes into the exhaust system, contributing to air pollution and violating environmental regulations.To mitigate the effects of delayed ignition, engineers often implement various strategies. Regular maintenance of the engine, including replacing spark plugs and ensuring proper fuel mixture ratios, can help prevent ignition delays. Additionally, advancements in engine technology, such as the use of electronic fuel injection systems and advanced ignition systems, have been developed to enhance combustion efficiency and minimize the risk of delayed ignition.In conclusion, delayed ignition is a critical concept in the field of combustion and engine performance. By understanding its causes and consequences, engineers can work towards optimizing engine designs and improving their efficiency. As technology continues to advance, addressing issues related to delayed ignition will remain a priority for those involved in automotive engineering and environmental sustainability. Ultimately, the goal is to create engines that operate smoothly, efficiently, and with minimal impact on the environment, ensuring a better future for all.

在工程和燃烧的世界里，术语延迟点火指的是一种现象，即发动机或燃烧室中的燃料-空气混合物在施加火花或热源后并未立即点燃。这种延迟可能导致各种问题，包括发动机敲击、效率降低和排放增加。理解延迟点火对希望优化发动机性能和最小化环境影响的工程师和技术人员至关重要。要理解延迟点火的概念，我们首先必须考虑内部燃烧发动机的工作原理。在典型的发动机循环中，燃料-空气混合物在气缸内被压缩，然后由火花塞点燃。理想情况下，这种点火应在最佳时刻发生，以确保最大功率输出和效率。然而，当点火延迟时，燃烧过程可能在活塞已经开始向下行程后发生，导致功率损失和潜在的发动机部件损坏。导致延迟点火的主要原因之一是燃料混合比不当。如果混合物过浓或过稀，可能会影响燃烧特性，从而导致延迟响应。此外，温度、压力和火花塞的状况等因素也可能导致此问题。例如，磨损的火花塞可能无法产生足够强的火花以迅速点燃混合物，从而导致点火延迟的情况。延迟点火的后果是显著的。它不仅降低了发动机的整体效率，还可能导致敲击或嗡嗡声，这些声音表明出现了异常燃烧事件。当燃烧波向进气阀回传时，会产生冲击波，随着时间的推移可能会损坏发动机部件。此外，延迟点火还可能导致排放增加，因为未燃烧的燃料逃入排气系统，导致空气污染并违反环境法规。为了减轻延迟点火的影响，工程师通常实施各种策略。定期维护发动机，包括更换火花塞和确保适当的燃料混合比，可以帮助防止点火延迟。此外，电子燃油喷射系统和先进点火系统等发动机技术的进步已经被开发出来，以增强燃烧效率并最小化延迟点火的风险。总之，延迟点火是燃烧和发动机性能领域的一个关键概念。通过理解其原因和后果，工程师可以努力优化发动机设计，提高其效率。随着技术的不断进步，解决与延迟点火相关的问题将继续成为汽车工程和环境可持续性领域的优先事项。最终目标是创造出平稳、高效且对环境影响最小的发动机，确保所有人的美好未来。