ignition delay

简明释义

点火延迟

英英释义

例句

1.During the test, we measured the ignition delay in milliseconds.

在测试中，我们测量了点火延迟，单位为毫秒。

2.The engine experienced an ignition delay due to a faulty spark plug.

由于火花塞故障，发动机出现了点火延迟。

3.To optimize performance, we need to minimize the ignition delay in the engine.

为了优化性能，我们需要尽量减少发动机中的点火延迟。

4.The engineer noted an unusual ignition delay in the combustion chamber.

工程师注意到燃烧室内有异常的点火延迟。

5.High temperatures can sometimes reduce the ignition delay of certain fuels.

高温有时会减少某些燃料的点火延迟。

作文

In the world of engineering and combustion, the term ignition delay plays a crucial role in understanding how engines operate. Ignition delay refers to the time interval between the moment fuel is injected into the combustion chamber and the moment it actually ignites. This phenomenon is particularly significant in internal combustion engines, as it can greatly affect engine performance, efficiency, and emissions.To comprehend the importance of ignition delay, we must first look at the combustion process itself. When fuel is injected into the engine, it mixes with air and forms a combustible mixture. However, this mixture does not ignite instantaneously. The ignition delay is influenced by several factors, including the type of fuel used, the temperature and pressure within the combustion chamber, and the design of the engine.For instance, diesel engines typically have a longer ignition delay compared to gasoline engines. This is because diesel fuel has a higher viscosity and requires more time to vaporize and mix with air effectively. Additionally, in diesel engines, the fuel is injected directly into the combustion chamber at high pressure, which also contributes to the longer delay before ignition occurs.Understanding ignition delay is essential for engineers and designers who aim to optimize engine performance. A shorter ignition delay can lead to more efficient combustion, resulting in better fuel economy and lower emissions. Conversely, if the ignition delay is too long, it can lead to incomplete combustion, increased emissions, and potential engine knocking or misfiring.Moreover, advancements in technology have allowed for the development of various strategies to control ignition delay. For example, the use of additives in fuel can help reduce ignition delay by enhancing the fuel's combustion characteristics. Additionally, modern engine management systems can adjust the timing of fuel injection based on real-time data from sensors, allowing for optimal combustion conditions.In conclusion, the concept of ignition delay is vital for anyone involved in the field of combustion engines. It affects not only the performance and efficiency of the engine but also its environmental impact. As technology continues to evolve, understanding and controlling ignition delay will remain a key focus for engineers striving to create cleaner and more efficient engines. By recognizing the factors that influence ignition delay, we can work towards innovations that enhance engine performance while minimizing harmful emissions, ultimately contributing to a more sustainable future for transportation.

在工程和燃烧的世界中，术语点火延迟在理解发动机的工作原理中起着至关重要的作用。点火延迟指的是燃料被注入燃烧室的时刻与其实际点燃之间的时间间隔。这个现象在内燃机中尤其重要，因为它可以极大地影响发动机的性能、效率和排放。为了理解点火延迟的重要性，我们首先必须观察燃烧过程本身。当燃料被注入发动机时，它与空气混合形成可燃混合物。然而，这种混合物并不会瞬间点燃。点火延迟受到多种因素的影响，包括使用的燃料类型、燃烧室内的温度和压力以及发动机的设计。例如，柴油发动机的点火延迟通常比汽油发动机长。这是因为柴油燃料具有更高的粘度，需要更多时间才能有效地气化并与空气混合。此外，在柴油发动机中，燃料以高压直接注入燃烧室，这也导致点燃发生的延迟更长。理解点火延迟对希望优化发动机性能的工程师和设计师至关重要。较短的点火延迟可以导致更高效的燃烧，从而改善燃油经济性并减少排放。相反，如果点火延迟过长，可能会导致燃烧不完全、排放增加以及潜在的发动机敲击或失火。此外，技术的进步使得开发各种策略来控制点火延迟成为可能。例如，燃料中添加剂的使用可以通过增强燃料的燃烧特性来帮助减少点火延迟。此外，现代发动机管理系统可以根据传感器的实时数据调整燃料喷射的时机，从而实现最佳的燃烧条件。总之，点火延迟的概念对于任何参与燃烧发动机领域的人来说都是至关重要的。它不仅影响发动机的性能和效率，还影响其环境影响。随着技术的不断发展，理解和控制点火延迟将始终是工程师努力创造更清洁、更高效发动机的关键焦点。通过认识到影响点火延迟的因素，我们可以朝着增强发动机性能同时最小化有害排放的创新方向努力，最终为交通运输的可持续未来作出贡献。