octance value

简明释义

辛烷值

英英释义

例句

1.The engine's performance improved significantly after we increased the octane value.

在我们提高了辛烷值后，发动机的性能显著改善。

2.Many sports cars require fuel with an octane value of at least 91.

许多跑车需要至少91的辛烷值的燃料。

3.The octane value of the gasoline affects its combustion efficiency.

汽油的辛烷值会影响其燃烧效率。

4.To achieve optimal performance, always check the octane value recommended by the manufacturer.

为了获得最佳性能，请始终检查制造商推荐的辛烷值。

5.Using fuel with a higher octane value can reduce knocking in high-performance engines.

使用具有更高辛烷值的燃料可以减少高性能发动机的敲击声。

作文

The term octane value refers to the measure of a fuel's ability to resist knocking or pinging during combustion, which is a critical aspect in the performance of internal combustion engines. In essence, the higher the octane value, the more compression the fuel can withstand before igniting. This property is particularly important for high-performance engines that operate at higher compression ratios. Understanding the significance of octane value can help consumers make informed decisions when selecting fuel for their vehicles. In the automotive industry, fuels are often rated with an octane value that indicates their quality and suitability for different types of engines. For instance, regular unleaded gasoline typically has an octane value of around 87, while premium fuels can have ratings of 91 or higher. Drivers of high-performance vehicles, such as sports cars or luxury sedans, may prefer fuels with higher octane values to ensure optimal engine performance and efficiency. The science behind octane value is rooted in the chemical composition of the fuel. Fuels with higher octane values contain more complex hydrocarbons that are less likely to ignite prematurely. This resistance to knocking allows for more aggressive tuning of the engine, leading to increased power output and improved fuel efficiency. Conversely, using fuel with a lower octane value than recommended can result in engine knocking, which can cause significant damage over time. Moreover, the octane value is not only crucial for the performance of gasoline engines but also plays a role in environmental considerations. Fuels with higher octane values tend to burn more completely, resulting in fewer emissions of harmful pollutants. This aspect is becoming increasingly important as governments and consumers alike are striving for greener alternatives in transportation. In recent years, advancements in fuel technology have led to the introduction of alternative fuels with varying octane values. Ethanol, for example, has a high octane value and is often blended with gasoline to enhance its performance characteristics. This blending not only improves the octane value of the fuel but also reduces reliance on fossil fuels, contributing to a more sustainable future. In conclusion, the octane value of a fuel is a fundamental aspect that affects engine performance, efficiency, and environmental impact. As consumers become more aware of the importance of fuel quality, understanding the implications of octane value will empower them to make choices that benefit both their vehicles and the planet. By prioritizing fuels with appropriate octane values, drivers can enjoy enhanced performance while also contributing to a cleaner environment. Therefore, it is essential for everyone, from casual drivers to automotive enthusiasts, to appreciate the significance of octane value in the context of modern fuel usage and engine technology.

“辛烷值”是指燃料抵抗爆震或敲击的能力的测量，这是内燃机性能的一个关键方面。简单来说，辛烷值越高，燃料在点燃前能够承受的压缩就越大。这一特性对于在更高压缩比下运行的高性能发动机尤为重要。理解辛烷值的重要性可以帮助消费者在选择车辆燃料时做出明智的决策。在汽车工业中，燃料通常会根据其质量和适合不同类型发动机的能力进行辛烷值评级。例如，普通无铅汽油的辛烷值通常在87左右，而高级燃料的评级则可能在91或更高。高性能车辆的驾驶者，例如跑车或豪华轿车，可能更倾向于使用辛烷值更高的燃料，以确保最佳的发动机性能和效率。辛烷值背后的科学根植于燃料的化学成分。具有较高辛烷值的燃料含有更复杂的碳氢化合物，不易提前点燃。这种对爆震的抵抗力允许对发动机进行更激进的调校，从而提高功率输出和燃油效率。相反，使用低于推荐的燃料的辛烷值可能导致发动机爆震，这可能会随着时间的推移造成显著损害。此外，辛烷值不仅对汽油发动机的性能至关重要，还在环境考虑中发挥着作用。具有更高辛烷值的燃料往往燃烧得更完全，从而减少有害污染物的排放。随着政府和消费者都在努力寻求交通运输中的绿色替代品，这一方面变得越来越重要。近年来，燃料技术的进步导致了各种辛烷值的替代燃料的引入。例如，乙醇的辛烷值很高，常常与汽油混合以增强其性能特征。这种混合不仅提高了燃料的辛烷值，还减少了对化石燃料的依赖，为更可持续的未来做出了贡献。总之，燃料的辛烷值是影响发动机性能、效率和环境影响的基本方面。随着消费者越来越意识到燃料质量的重要性，理解辛烷值的影响将使他们能够做出有利于他们的车辆和地球的选择。通过优先选择具有适当辛烷值的燃料，驾驶者可以享受增强的性能，同时也为清洁环境做出贡献。因此，对于从普通驾驶者到汽车爱好者的每个人来说，欣赏辛烷值在现代燃料使用和发动机技术中的重要性是至关重要的。