ignition delay

简明释义

点火延迟

英英释义

例句

1.The engine experienced an ignition delay, causing a rough start.

发动机经历了一个点火延迟，导致启动不顺畅。

2.The mechanic diagnosed the problem as an ignition delay due to faulty sensors.

机械师诊断出问题是由于故障传感器造成的点火延迟。

3.To ensure smooth operation, it’s crucial to monitor ignition delay in combustion engines.

为了确保平稳运行，监测内燃机中的点火延迟至关重要。

4.Engine tuning can help reduce ignition delay for better performance.

发动机调校可以帮助减少点火延迟，以提高性能。

5.A longer ignition delay can lead to increased emissions in vehicles.

较长的点火延迟可能导致车辆排放增加。

作文

In the world of automotive engineering, understanding various technical terms is crucial for both professionals and enthusiasts. One such term that often comes up in discussions about engine performance is ignition delay. This term refers to the time interval between the moment fuel is injected into the combustion chamber and the moment it ignites. In simpler terms, it is the lag time before the fuel begins to burn after being mixed with air and compressed in the engine cylinder. ignition delay plays a significant role in determining the efficiency and power output of an engine.When an engine operates, the fuel-air mixture must ignite at the right moment to ensure optimal performance. If the ignition delay is too long, the engine may experience issues such as misfire or knocking, leading to reduced power and increased emissions. Conversely, if the ignition delay is too short, it may result in premature ignition, which can cause engine damage.Several factors can influence ignition delay. One of the primary factors is the type of fuel being used. Different fuels have varying chemical compositions, which can affect how quickly they ignite. For instance, high-octane fuels generally have a shorter ignition delay compared to lower-octane fuels. This is why high-performance vehicles often require premium fuels to achieve their desired power output.Another factor that impacts ignition delay is the engine's operating temperature. As the temperature increases, the fuel becomes more volatile, which can lead to a shorter ignition delay. This is particularly important in high-performance engines that operate at elevated temperatures. Additionally, the compression ratio of the engine can also affect ignition delay. Higher compression ratios typically lead to shorter delays, as the increased pressure and temperature promote quicker ignition.Understanding ignition delay is not only vital for engine tuning but also for improving fuel efficiency. Engineers are continually researching ways to optimize ignition delay to enhance the overall performance of engines. For example, advancements in fuel injection technology have allowed for more precise control over the timing of fuel delivery, which can help minimize ignition delay and improve combustion efficiency.Moreover, the concept of ignition delay extends beyond traditional gasoline engines. In diesel engines, ignition delay is particularly critical due to the different combustion process. Diesel fuel is injected into the combustion chamber and relies on the heat generated by compression to ignite. The ignition delay in diesel engines can significantly impact their performance, emissions, and overall efficiency.In conclusion, ignition delay is a fundamental concept in the field of automotive engineering that affects engine performance, efficiency, and emissions. Understanding its implications can help engineers and car enthusiasts alike appreciate the complexities of engine design and operation. As technology continues to evolve, the optimization of ignition delay will remain a key focus in the pursuit of more efficient and powerful engines.

在汽车工程的世界中，理解各种技术术语对专业人士和爱好者都至关重要。其中一个经常出现在关于发动机性能讨论中的术语是点火延迟。这个术语指的是燃料被注入燃烧室到点燃之间的时间间隔。简单来说，它是指在燃料与空气混合并在发动机气缸中压缩后开始燃烧的滞后时间。点火延迟在决定发动机的效率和功率输出方面起着重要作用。当发动机运行时，燃料-空气混合物必须在正确的时刻点燃，以确保最佳性能。如果点火延迟太长，发动机可能会遇到失火或敲击等问题，导致功率下降和排放增加。相反，如果点火延迟太短，可能会导致过早点火，从而造成发动机损坏。多种因素可以影响点火延迟。其中一个主要因素是所使用的燃料类型。不同的燃料具有不同的化学成分，这会影响它们点燃的速度。例如，高辛烷值燃料通常比低辛烷值燃料具有更短的点火延迟。这就是为什么高性能车辆通常需要优质燃料以达到所需的功率输出。另一个影响点火延迟的因素是发动机的工作温度。随着温度的升高，燃料变得更加易挥发，这可能导致点火延迟缩短。这在高性能发动机中尤为重要，因为它们在较高温度下运行。此外，发动机的压缩比也会影响点火延迟。较高的压缩比通常会导致较短的延迟，因为增加的压力和温度促进了更快的点燃。了解点火延迟不仅对发动机调校至关重要，还对提高燃油效率至关重要。工程师们不断研究优化点火延迟的方法，以提升发动机的整体性能。例如，燃油喷射技术的进步使得对燃料输送时机的更精确控制成为可能，这有助于最小化点火延迟并提高燃烧效率。此外，点火延迟的概念不仅限于传统的汽油发动机。在柴油发动机中，点火延迟尤其关键，因为其燃烧过程不同。柴油燃料被注入燃烧室，并依靠压缩产生的热量点燃。柴油发动机中的点火延迟会显著影响其性能、排放和整体效率。总之，点火延迟是汽车工程领域的一个基本概念，影响着发动机性能、效率和排放。理解其含义可以帮助工程师和汽车爱好者欣赏发动机设计和操作的复杂性。随着技术的不断发展，优化点火延迟将继续成为追求更高效、更强大发动机的关键焦点。