antiknock susceptibility

简明释义

抗爆感应性;

英英释义

例句

1.Higher antiknock susceptibility 抗爆性 in gasoline can lead to smoother engine operation.

汽油中更高的抗爆性可以导致发动机运行更平稳。

2.The study revealed that ethanol blends have higher antiknock susceptibility 抗爆性 compared to standard gasoline.

研究表明，乙醇混合物的抗爆性高于标准汽油。

3.Engine manufacturers often specify the required antiknock susceptibility 抗爆性 for optimal performance.

发动机制造商通常会指定最佳性能所需的抗爆性。

4.The research focused on the antiknock susceptibility 抗爆性 of various fuel blends to improve engine performance.

研究重点是各种燃料混合物的抗爆性以提高发动机性能。

5.Testing different additives can help determine their effect on antiknock susceptibility 抗爆性.

测试不同的添加剂可以帮助确定它们对抗爆性的影响。

作文

Understanding the concept of antiknock susceptibility is essential for anyone involved in the automotive and fuel industries. This term refers to the tendency of a fuel to resist knocking or pinging during combustion, which can significantly affect engine performance and efficiency. In essence, antiknock susceptibility determines how well a fuel can withstand the pressure and temperature conditions present in an engine without prematurely igniting. Knocking occurs when the air-fuel mixture in an engine's cylinder ignites unevenly, leading to a sudden rise in pressure that can cause engine damage over time. High antiknock susceptibility means that a fuel is more likely to ignite prematurely under these conditions, while low antiknock susceptibility indicates better performance and stability. This characteristic is particularly important in high-performance engines, where precise timing of ignition is crucial for optimal operation.The octane rating of gasoline is a common measure of its antiknock susceptibility. Fuels with higher octane ratings can withstand greater pressures before igniting, making them less susceptible to knocking. For example, premium fuels often have octane ratings of 91 or higher, while regular fuels typically range from 87 to 89. Choosing the right fuel for a vehicle can lead to improved efficiency, reduced emissions, and enhanced overall performance.In recent years, advancements in fuel technology have led to the development of various additives designed to improve the antiknock susceptibility of fuels. These additives can help to raise the octane rating, allowing lower-quality fuels to perform better in high-compression engines. Ethanol, for instance, is often blended with gasoline to enhance its antiknock susceptibility. While this can be beneficial, it’s essential to follow manufacturer recommendations to avoid potential issues with engine compatibility.Moreover, understanding antiknock susceptibility is not only vital for vehicle performance but also for environmental considerations. Engines that operate efficiently with minimal knocking tend to produce fewer emissions, contributing to cleaner air quality. As regulations around emissions become stricter, the role of antiknock susceptibility in fuel formulation and engine design will continue to grow in importance.In conclusion, antiknock susceptibility is a critical factor in determining the performance and efficiency of internal combustion engines. By selecting fuels with appropriate octane ratings and understanding the implications of fuel additives, consumers can make informed choices that benefit both their vehicles and the environment. As technology evolves, ongoing research into antiknock susceptibility will likely lead to even more efficient and environmentally friendly fuel options in the future.

理解抗敲击敏感性的概念对任何参与汽车和燃料行业的人来说都是至关重要的。这个术语指的是燃料在燃烧过程中抵抗敲击或嗡嗡声的倾向，这会显著影响发动机的性能和效率。本质上，抗敲击敏感性决定了燃料在发动机中承受压力和温度条件而不会过早点燃的能力。 敲击发生在发动机气缸中的空气-燃料混合物不均匀点燃时，导致压力突然上升，随着时间的推移可能会造成发动机损坏。高抗敲击敏感性意味着燃料在这些条件下更容易过早点燃，而低抗敲击敏感性则表示更好的性能和稳定性。这个特性在高性能发动机中尤为重要，因为点火的精确时机对最佳操作至关重要。汽油的辛烷值是衡量其抗敲击敏感性的常用指标。辛烷值较高的燃料可以承受更大的压力而不点燃，使其不易受到敲击。例如，优质燃料的辛烷值通常为91或更高，而普通燃料的范围通常在87到89之间。选择适合车辆的燃料可以提高效率，减少排放，增强整体性能。近年来，燃料技术的进步导致开发出各种添加剂，旨在改善燃料的抗敲击敏感性。这些添加剂可以帮助提高辛烷值，使低质量燃料在高压缩发动机中表现更好。例如，乙醇通常与汽油混合以增强其抗敲击敏感性。虽然这可能是有益的，但遵循制造商的建议以避免潜在的发动机兼容性问题是至关重要的。此外，理解抗敲击敏感性不仅对车辆性能至关重要，而且对环境考虑也很重要。高效运行且敲击最小的发动机往往会产生更少的排放，有助于改善空气质量。随着对排放的监管变得越来越严格，抗敲击敏感性在燃料配方和发动机设计中的作用将继续变得重要。总之，抗敲击敏感性是决定内燃机性能和效率的关键因素。通过选择适当辛烷值的燃料并理解燃料添加剂的影响，消费者可以做出有利于他们的车辆和环境的明智选择。随着技术的发展，持续对抗敲击敏感性的研究可能会导致未来更高效、更环保的燃料选择。