air-fuel mixing

简明释义

空气-燃料混合

英英释义

例句

1.Engine tuning is essential for optimal air-fuel mixing.

发动机调校对于优化空气与燃料混合至关重要。

2.The efficiency of an engine largely depends on the quality of air-fuel mixing.

发动机的效率在很大程度上取决于空气与燃料混合的质量。

3.Proper air-fuel mixing can reduce emissions and improve performance.

适当的空气与燃料混合可以减少排放并提高性能。

4.A malfunctioning injector can disrupt the air-fuel mixing process.

故障的喷油器可能会干扰空气与燃料混合过程。

5.Advanced engines utilize sensors to monitor air-fuel mixing in real-time.

先进的发动机利用传感器实时监测空气与燃料混合。

作文

The process of combustion in engines, whether they are internal combustion engines or gas turbines, relies heavily on the efficiency of air-fuel mixing. This term refers to the method by which air and fuel are combined in the correct proportions to facilitate optimal combustion. In essence, air-fuel mixing is crucial because it determines the effectiveness of the fuel being burned and ultimately influences the engine's performance and emissions. A well-mixed air-fuel ratio can lead to a more complete combustion process, resulting in higher power output and lower emissions of harmful pollutants.In internal combustion engines, the air-fuel mixing occurs in the intake manifold where the air and fuel are drawn together before entering the combustion chamber. The ideal mixture is typically around 14.7 parts air to 1 part fuel, known as the stoichiometric ratio. However, achieving this perfect mix is not always straightforward due to varying engine loads, speeds, and environmental conditions. For instance, during acceleration, the engine may require a richer mixture (more fuel) to produce additional power, while at cruising speeds, a leaner mixture (less fuel) is more efficient.The importance of air-fuel mixing extends beyond just performance; it also plays a significant role in fuel economy. A precise mixture can enhance the fuel's energy extraction, thus maximizing the distance a vehicle can travel per gallon of fuel. This aspect is particularly important in today’s world where fuel prices are high and environmental concerns are at the forefront. Manufacturers are continually researching and developing technologies to improve air-fuel mixing, including advanced fuel injection systems that can adjust the mixture dynamically based on real-time feedback from the engine.Moreover, the advent of alternative fuels and hybrid technologies has further complicated the air-fuel mixing process. Different fuels have unique properties that affect how they mix with air. For example, biofuels may require different mixing strategies compared to traditional gasoline or diesel. Engineers must consider these variables when designing engines that can efficiently utilize multiple fuel types.In summary, air-fuel mixing is a fundamental concept in the field of automotive engineering. It affects not only the performance and efficiency of engines but also their environmental impact. As technology advances, understanding and optimizing air-fuel mixing will remain a critical area of focus for engineers aiming to create cleaner, more efficient vehicles. The future of transportation will undoubtedly depend on our ability to master this essential aspect of engine design, ensuring that we meet both performance expectations and environmental standards.

在发动机的燃烧过程中，无论是内燃机还是燃气涡轮，空气与燃料混合的效率至关重要。这个术语指的是将空气和燃料以正确的比例结合在一起，以促进最佳燃烧的方法。简而言之，空气与燃料混合至关重要，因为它决定了燃料燃烧的效果，并最终影响发动机的性能和排放。良好的混合空气-燃料比可以导致更完全的燃烧过程，从而产生更高的功率输出和更低的有害污染物排放。在内燃机中，空气与燃料混合发生在进气歧管中，空气和燃料在进入燃烧室之前被抽在一起。理想的混合比通常约为14.7份空气对1份燃料，称为化学计量比。然而，由于发动机负载、速度和环境条件的变化，实现这种完美的混合并不总是简单。例如，在加速过程中，发动机可能需要更丰富的混合（更多的燃料）来产生额外的动力，而在巡航速度下，更稀的混合（更少的燃料）则更高效。空气与燃料混合的重要性不仅体现在性能上；它还在燃油经济性方面发挥着重要作用。精确的混合可以增强燃料的能量提取，从而最大化车辆每加仑燃料行驶的距离。这个方面在今天的世界中尤为重要，因为燃料价格高昂，环境问题也处于最前沿。制造商们一直在研究和开发技术，以改善空气与燃料混合，包括能够根据发动机的实时反馈动态调整混合的先进燃油喷射系统。此外，替代燃料和混合动力技术的出现进一步复杂化了空气与燃料混合的过程。不同的燃料具有独特的特性，会影响它们与空气的混合。例如，生物燃料可能需要与传统汽油或柴油不同的混合策略。工程师在设计能够有效利用多种燃料类型的发动机时，必须考虑这些变量。总之，空气与燃料混合是汽车工程领域的一个基本概念。它不仅影响发动机的性能和效率，还影响其环境影响。随着技术的进步，理解和优化空气与燃料混合仍将是工程师们关注的关键领域，旨在创造更清洁、更高效的车辆。交通运输的未来无疑将依赖于我们掌握这一发动机设计的基本方面，确保我们满足性能期望和环境标准。