ignition delay

简明释义

点火延迟

英英释义

Ignition delay refers to the time interval between the initiation of a fuel-air mixture and the start of combustion in an engine or combustion system.

点火延迟是指燃料-空气混合物的点火和燃烧开始之间的时间间隔。

例句

1.In cold weather, you might experience a longer ignition delay when starting your car.

在寒冷天气下,启动汽车时可能会经历更长的点火延迟

2.An ignition delay can lead to increased emissions and reduced engine efficiency.

点火延迟可能导致排放增加和发动机效率降低。

3.The engine experienced an ignition delay, causing the vehicle to stall unexpectedly.

发动机经历了一个点火延迟,导致车辆意外熄火。

4.During the test, we measured a significant ignition delay in the combustion chamber.

在测试中,我们测量到燃烧室内有显著的点火延迟

5.The technician adjusted the timing to reduce the ignition delay in the engine.

技术员调整了时机以减少发动机中的点火延迟

作文

In the realm of automotive engineering, the term ignition delay refers to the time interval between the initiation of the fuel-air mixture and the actual start of combustion in an engine. Understanding this phenomenon is crucial for engineers and manufacturers as it directly affects the performance, efficiency, and emissions of an engine. When we talk about ignition delay (点火延迟), we are essentially discussing how quickly an engine can respond to the accelerator pedal and how effectively it can convert fuel into power.The ignition delay period can be influenced by several factors including the type of fuel used, the temperature of the combustion chamber, and the engine’s design. For instance, gasoline engines typically have a shorter ignition delay compared to diesel engines. This difference arises because gasoline engines rely on spark plugs to ignite the air-fuel mixture, while diesel engines depend on compression to heat the air to a point where ignition occurs. Consequently, understanding the nuances of ignition delay is essential for optimizing engine performance.One of the most significant impacts of ignition delay is on engine efficiency. A longer ignition delay can lead to incomplete combustion, which not only wastes fuel but also increases harmful emissions. This is particularly concerning in today’s world where environmental regulations are becoming increasingly stringent. Engineers are constantly seeking ways to minimize ignition delay to enhance fuel economy and reduce pollutants. Advances in technology, such as the development of better fuel injectors and more sophisticated engine management systems, have allowed for improvements in this area.Moreover, the ignition delay can affect the overall driving experience. A vehicle with a noticeable ignition delay may feel sluggish or unresponsive, leading to driver frustration. In contrast, a car that has optimized ignition delay will provide a smoother and more dynamic driving experience. This is why manufacturers invest heavily in research and development to fine-tune the ignition timing and improve the responsiveness of their vehicles.From a performance tuning perspective, enthusiasts often look for ways to modify their engines to achieve a shorter ignition delay. This can involve adjusting the timing of the spark plug firing or using high-quality fuels that ignite more readily. However, such modifications must be approached with caution, as improper adjustments can lead to engine knocking or other issues that can damage the engine.In conclusion, the concept of ignition delay (点火延迟) is a fundamental aspect of engine performance that encompasses various technical and practical considerations. It plays a vital role in determining how efficiently an engine operates and how it responds to driver inputs. As the automotive industry continues to evolve, understanding and optimizing ignition delay will remain a key focus for engineers and manufacturers alike. By improving this critical parameter, the industry can work towards creating vehicles that are not only more powerful but also more environmentally friendly and enjoyable to drive.

相关单词

ignition

ignition详解:怎么读、什么意思、用法