spark advance

简明释义

点火提前

英英释义

例句

1.Increasing the spark advance can lead to more power, but it may also cause knocking.

增加火花提前角可以带来更多动力，但也可能导致敲击。

2.The mechanic adjusted the engine's timing to optimize the spark advance for better fuel efficiency.

机械师调整了发动机的时机，以优化火花提前角以提高燃油效率。

3.A higher spark advance is often used in high-compression engines to improve combustion efficiency.

在高压缩比发动机中，通常使用更高的火花提前角来改善燃烧效率。

4.When tuning an engine, it's crucial to find the optimal spark advance for the specific fuel being used.

在调校发动机时，找到特定燃料的最佳火花提前角至关重要。

5.The racing team experimented with different spark advance settings to maximize their car's performance on the track.

赛车队尝试了不同的火花提前角设置，以最大化他们汽车在赛道上的表现。

作文

In the realm of automotive engineering, the term spark advance refers to the timing of the ignition spark in relation to the position of the piston in the engine. This timing is crucial for optimal engine performance and efficiency. When the spark occurs before the piston reaches the top of its compression stroke, it allows for a more complete combustion of the fuel-air mixture, thereby increasing power output and reducing emissions. Understanding spark advance is essential for mechanics and engineers who aim to enhance vehicle performance and fuel economy.The concept of spark advance can be likened to a well-timed performance in a theatrical play. Just as actors need to deliver their lines at the right moment to create a compelling story, the ignition system must send a spark at precisely the right time to ensure that the engine runs smoothly. If the spark is too early, it can lead to knocking or pinging, which can cause damage to the engine over time. Conversely, if the spark occurs too late, it can result in incomplete combustion, leading to a loss of power and increased fuel consumption.Modern vehicles often come equipped with advanced engine management systems that automatically adjust the spark advance based on various factors such as engine temperature, load, and speed. These systems utilize sensors to monitor the engine's performance in real-time and make necessary adjustments to the timing of the spark. This dynamic adjustment helps to optimize fuel efficiency and minimize harmful emissions.For car enthusiasts and those interested in tuning their vehicles, understanding how to manipulate spark advance can lead to significant improvements in performance. By adjusting the timing of the spark, one can achieve a more aggressive ignition curve, which can enhance throttle response and overall power delivery. However, this process requires a careful balance, as excessive adjustments can lead to engine knock and potential damage.In conclusion, spark advance plays a vital role in the operation of internal combustion engines. It is an intricate dance between timing and performance that directly impacts how efficiently a vehicle operates. Whether you are a professional mechanic, an automotive engineer, or simply a car enthusiast, grasping the concept of spark advance is essential for anyone looking to understand or improve engine performance. As technology continues to evolve, the importance of mastering this concept will only grow, making it a key area of focus for the future of automotive engineering.

在汽车工程领域，术语spark advance指的是点火火花相对于发动机活塞位置的时机。这一时机对优化发动机性能和效率至关重要。当火花在活塞达到压缩行程顶部之前发生时，它可以使燃油-空气混合物更完全地燃烧，从而提高功率输出并减少排放。理解spark advance对于那些旨在提升车辆性能和燃油经济性的机械师和工程师来说是至关重要的。spark advance的概念可以比作戏剧表演中的恰到好处的时机。正如演员需要在适当的时刻传递他们的台词以创造引人入胜的故事一样，点火系统必须在恰当的时刻发出火花，以确保发动机平稳运行。如果火花过早，则可能导致敲击或嗡嗡声，随着时间的推移可能会对发动机造成损害。相反，如果火花发生得太晚，则可能导致燃烧不完全，从而导致功率损失和燃料消耗增加。现代汽车通常配备先进的发动机管理系统，这些系统根据发动机温度、负载和速度等各种因素自动调整spark advance。这些系统利用传感器实时监测发动机的性能，并根据需要对火花的时机进行必要的调整。这种动态调整有助于优化燃油效率并最小化有害排放。对于汽车爱好者和那些对调校自己车辆感兴趣的人来说，了解如何操控spark advance可以带来显著的性能提升。通过调整火花的时机，可以实现更激进的点火曲线，从而增强油门响应和整体动力输出。然而，这一过程需要谨慎平衡，因为过度调整可能导致发动机敲击和潜在损害。总之，spark advance在内燃机的运作中发挥着至关重要的作用。它是时机与性能之间复杂的舞蹈，直接影响着车辆的运行效率。无论你是专业机械师、汽车工程师，还是单纯的汽车爱好者，掌握spark advance的概念对于任何希望理解或提升发动机性能的人来说都是必不可少的。随着技术的不断发展，掌握这一概念的重要性将愈加突出，使其成为未来汽车工程的关键关注领域。