idling speed

简明释义

空转转速

英英释义

例句

1.If the idling speed is too high, it can waste fuel and increase emissions.

如果怠速过高，会浪费燃料并增加排放。

2.He learned how to measure the idling speed using a tachometer.

他学会了如何使用转速表测量怠速。

3.The mechanic adjusted the engine's idling speed to ensure it runs smoothly when not in use.

技师调整了发动机的怠速以确保在不使用时运行平稳。

4.A proper idling speed is crucial for engine longevity.

适当的怠速对发动机的寿命至关重要。

5.During the inspection, they found that the car's idling speed was inconsistent.

在检查过程中，他们发现汽车的怠速不稳定。

作文

The concept of idling speed is crucial in understanding how engines operate, especially in vehicles. When a car's engine is running but the vehicle is not in motion, it is said to be idling. The idling speed refers to the engine's RPM (revolutions per minute) when it is in this state. Typically, a gasoline engine idles between 600 to 1,000 RPM, while diesel engines might have a slightly higher range. Understanding this speed is essential for several reasons.Firstly, maintaining the correct idling speed can enhance fuel efficiency. If the engine idles too high, it consumes more fuel than necessary, leading to increased emissions and wasted resources. Conversely, if the idling speed is too low, the engine may stall, causing inconvenience and potential damage. Therefore, manufacturers design engines with optimal idling speeds that balance performance and fuel economy.Moreover, the idling speed plays a significant role in the overall health of the engine. When an engine is idling at the correct speed, it allows for proper lubrication and cooling. Oil circulates through the engine, preventing wear and tear on internal components. If the idling speed is not regulated properly, it can lead to overheating or inadequate lubrication, ultimately shortening the engine’s lifespan.In addition to mechanical considerations, the idling speed has environmental implications. Many regions have regulations regarding vehicle emissions, particularly concerning idling. Vehicles that idle excessively contribute to air pollution, which can harm public health and the environment. By regulating idling speed, drivers can minimize their carbon footprint and comply with local laws aimed at reducing emissions.Furthermore, understanding idling speed is beneficial for drivers in terms of vehicle performance. For instance, during cold weather, engines require a higher idling speed to warm up efficiently. This adjustment helps ensure that the engine reaches optimal operating temperatures faster, improving performance and reducing wear during initial driving conditions. Drivers should be aware of their vehicle’s specific requirements for idling speed to ensure it operates smoothly under different conditions.Lastly, modern technology has introduced features like automatic start-stop systems in many vehicles. These systems automatically shut off the engine when the vehicle is stationary, effectively eliminating unnecessary idling. Understanding idling speed helps drivers appreciate these advancements and how they contribute to better fuel economy and reduced emissions.In conclusion, the term idling speed encompasses more than just a number; it represents a critical aspect of engine functionality, fuel efficiency, and environmental responsibility. By grasping the significance of idling speed, drivers can make informed choices that benefit their vehicles and the planet. Whether it's ensuring the engine runs smoothly or adhering to emission standards, understanding idling speed is key to responsible vehicle ownership.

“怠速”这个概念在理解发动机的运作，尤其是汽车方面至关重要。当汽车的发动机运转但车辆不移动时，称为怠速。怠速指的是发动机在这种状态下的转速（每分钟转数）。通常，汽油发动机的怠速在600到1000转之间，而柴油发动机可能有稍高的范围。理解这一速度对多个方面非常重要。首先，保持正确的怠速可以提高燃油效率。如果发动机怠速过高，就会消耗更多不必要的燃油，导致排放增加和资源浪费。相反，如果怠速过低，发动机可能会熄火，造成不便和潜在损害。因此，制造商设计发动机时考虑了最佳的怠速，以平衡性能和燃油经济性。此外，怠速在发动机整体健康中也扮演着重要角色。当发动机在正确的怠速下运转时，可以实现适当的润滑和冷却。油液在发动机内循环，防止内部部件磨损。如果怠速未得到适当调节，可能导致过热或润滑不足，最终缩短发动机的使用寿命。除了机械方面，怠速还具有环境影响。许多地区对车辆排放有规定，特别是关于怠速。过度怠速的车辆会导致空气污染，这可能危害公共健康和环境。通过调节怠速，驾驶者可以减少碳足迹，遵守旨在减少排放的地方法律。此外，了解怠速对驾驶者的车辆性能也有好处。例如，在寒冷天气中，发动机需要较高的怠速才能有效预热。这种调整有助于确保发动机更快达到最佳工作温度，从而改善性能并减少初始驾驶条件下的磨损。驾驶者应该了解其车辆对怠速的具体要求，以确保在不同条件下平稳运行。最后，现代技术在许多车辆中引入了自动启停系统等功能。这些系统在车辆静止时自动关闭发动机，有效消除不必要的怠速。理解怠速有助于驾驶者欣赏这些进步以及它们如何促进更好的燃油经济性和减少排放。总之，“怠速”这一术语不仅仅是一个数字；它代表着发动机功能、燃油效率和环境责任的关键方面。通过掌握怠速的重要性，驾驶者可以做出明智的选择，从而使他们的车辆和地球受益。无论是确保发动机平稳运行还是遵守排放标准，理解怠速是负责任的车辆拥有者的关键。