fuel air ratio

简明释义

燃料空气比

英英释义

例句

1.A rich fuel air ratio can lead to increased emissions.

富的燃料空气比可能导致排放增加。

2.Adjusting the fuel air ratio can help reduce engine knocking.

调整燃料空气比可以帮助减少发动机敲击声。

3.The engine performance can be optimized by adjusting the fuel air ratio.

通过调整燃料空气比可以优化发动机性能。

4.To achieve better fuel efficiency, you need to monitor the fuel air ratio closely.

为了获得更好的燃油效率，您需要密切监控燃料空气比。

5.The ideal fuel air ratio for complete combustion is typically around 14.7:1.

完全燃烧的理想燃料空气比通常约为14.7:1。

作文

The concept of fuel air ratio is fundamental in the fields of combustion and engine performance. It refers to the proportion of fuel to air that is mixed together before combustion occurs. Achieving the optimal fuel air ratio is critical for maximizing efficiency and minimizing emissions in engines, particularly in internal combustion engines found in vehicles. When the fuel air ratio is balanced correctly, the engine can operate at peak performance, utilizing the fuel effectively while reducing the production of harmful pollutants.In automotive engineering, the ideal fuel air ratio is often cited as being approximately 14.7:1 for gasoline engines. This means that for every one part of fuel, there are 14.7 parts of air. This ratio is known as the stoichiometric ratio, where all the fuel is burned completely with no excess air or fuel left over. However, achieving this perfect balance in real-world conditions can be challenging due to various factors such as engine load, temperature, and atmospheric pressure.When the fuel air ratio is too rich, meaning there is too much fuel compared to air, it can lead to incomplete combustion. This results in a decrease in engine efficiency and an increase in emissions, particularly carbon monoxide and unburned hydrocarbons. Conversely, if the fuel air ratio is too lean, with too much air compared to fuel, it can cause the engine to run hotter than normal, potentially leading to engine knock and damage over time.Modern engines are equipped with sophisticated sensors and electronic control units (ECUs) that monitor and adjust the fuel air ratio in real-time. These systems help maintain the optimal ratio under varying driving conditions, ensuring that the engine runs smoothly and efficiently. Additionally, advancements in fuel injection technology have allowed for more precise control over the fuel air ratio, further improving performance and reducing emissions.Understanding the importance of the fuel air ratio is also crucial for anyone interested in enhancing their vehicle's performance. Tuning the engine to achieve a more favorable fuel air ratio can lead to significant improvements in horsepower and torque. However, such modifications must be approached with caution, as improper adjustments can lead to detrimental effects on engine longevity and reliability.In conclusion, the fuel air ratio is a vital parameter in the operation of internal combustion engines. It plays a key role in determining how efficiently the engine uses fuel and how cleanly it burns. As technology continues to evolve, understanding and optimizing the fuel air ratio will remain essential for engineers, mechanics, and car enthusiasts alike. By maintaining the right balance of fuel and air, we can not only enhance vehicle performance but also contribute to a cleaner environment by reducing harmful emissions.

“燃料空气比”是燃烧和发动机性能领域的基本概念。它指的是在燃烧发生之前，混合在一起的燃料与空气的比例。实现最佳的“燃料空气比”对于最大化效率和最小化发动机排放至关重要，特别是在汽车中发现的内燃机。当“燃料空气比”正确平衡时，发动机可以在最佳性能下运行，有效利用燃料，同时减少有害污染物的产生。在汽车工程中，理想的“燃料空气比”通常被认为是汽油发动机的约14.7:1。这意味着每一部分燃料对应14.7部分空气。这个比例被称为化学计量比，在这种情况下，所有的燃料都被完全燃烧，没有多余的空气或燃料。然而，在现实条件下实现这种完美的平衡可能具有挑战性，因为各种因素如发动机负荷、温度和大气压力都会影响这一比例。当“燃料空气比”过于丰富时，意味着与空气相比燃料过多，会导致不完全燃烧。这会导致发动机效率降低，并增加排放，特别是一氧化碳和未燃烧的碳氢化合物。相反，如果“燃料空气比”过于稀薄，空气相对于燃料过多，可能会导致发动机运行温度高于正常水平，从而导致发动机爆震和长期损坏。现代发动机配备了复杂的传感器和电子控制单元（ECU），实时监测和调整“燃料空气比”。这些系统帮助在不同驾驶条件下保持最佳比例，确保发动机平稳高效地运行。此外，燃油喷射技术的进步使得对“燃料空气比”的更精确控制成为可能，进一步提高了性能并减少了排放。理解“燃料空气比”的重要性对于任何希望提升车辆性能的人来说也是至关重要的。调校发动机以实现更有利的“燃料空气比”可以显著改善马力和扭矩。然而，这种修改必须谨慎进行，因为不当的调整可能对发动机的寿命和可靠性产生不利影响。总之，“燃料空气比”是内燃机运行中的一个重要参数。它在决定发动机如何高效使用燃料以及燃烧多干净方面起着关键作用。随着技术的不断发展，理解和优化“燃料空气比”将继续是工程师、机械师和汽车爱好者的重要任务。通过维持燃料和空气的正确平衡，我们不仅可以提高车辆性能，还可以通过减少有害排放为清洁环境做出贡献。