octane value

简明释义

辛烷值

英英释义

例句

1.The higher the octane value, the better the fuel can resist knocking in high-performance engines.

更高的辛烷值意味着燃料在高性能发动机中能更好地抵抗爆震。

2.Many sports cars require fuel with a minimum octane value of 98 for optimal performance.

许多跑车要求使用最低辛烷值为98的燃料，以获得最佳性能。

3.Some drivers choose premium fuel because of its higher octane value.

一些司机选择高级燃料，因为它具有更高的辛烷值。

4.Using fuel with a lower octane value than recommended can lead to engine damage over time.

使用低于推荐的辛烷值的燃料可能会导致发动机随着时间的推移而受损。

5.The octane value of gasoline can affect fuel economy and emissions.

汽油的辛烷值会影响燃油经济性和排放。

作文

The term octane value refers to a measure of the performance of an engine fuel. It indicates how much compression the fuel can withstand before igniting. In simpler terms, a higher octane value means that the fuel can handle more pressure before it combusts. This is particularly important for high-performance engines that operate at higher compression ratios. When drivers fill their tanks with gasoline, they often see different grades of fuel labeled with various octane values, such as 87, 89, and 93. Each of these numbers represents the fuel's ability to resist knocking or pinging during combustion, which can lead to engine damage over time.Understanding octane value is essential for car owners, especially those who own sports cars or vehicles designed for high performance. Using fuel with a lower octane value than what the manufacturer recommends can result in knocking, which occurs when the air-fuel mixture ignites prematurely in the engine. This not only reduces efficiency but can also lead to costly repairs.Moreover, the importance of octane value extends beyond just performance. It also plays a role in environmental considerations. Fuels with higher octane values tend to burn more efficiently, producing fewer emissions. This is crucial in today's world, where the focus is on reducing our carbon footprint and promoting sustainable practices. By choosing fuels with higher octane values, consumers can contribute to better air quality and a healthier planet.In addition to performance and environmental benefits, understanding octane value can also save money in the long run. While higher octane value fuels may cost more per gallon, they can improve fuel efficiency. This means that, depending on the vehicle and driving conditions, a driver may find that they get more miles per gallon when using the correct grade of fuel. Thus, the initial investment in higher octane value fuel can lead to savings at the pump over time.In conclusion, the octane value of fuel is a critical factor for anyone who drives a vehicle. It affects not only the performance of the engine but also the longevity of the car, the environment, and even the wallet of the consumer. Therefore, it is important for drivers to be aware of the octane value of the fuel they use and to choose wisely based on their vehicle's needs. Educating oneself about this aspect of fuel can lead to better decisions that benefit both the driver and the environment, making it a vital topic in today's automotive discussions.

“辛烷值”是指一种衡量发动机燃料性能的指标。它表示燃料在点燃之前能承受多少压缩。简单来说，较高的“辛烷值”意味着燃料能够在更高的压力下燃烧。这对于那些在更高压缩比下运行的高性能发动机尤其重要。当司机加油时，他们通常会看到不同等级的燃料，标有各种“辛烷值”，如87、89和93。每个数字代表燃料在燃烧过程中抵抗敲击或振动的能力，这种情况可能会导致发动机随着时间的推移而损坏。理解“辛烷值”对车主尤其重要，特别是那些拥有跑车或为高性能设计的车辆的人。使用低于制造商推荐的“辛烷值”的燃料可能导致敲击，这种情况发生在空气-燃料混合物在发动机中过早点燃时。这不仅降低了效率，还可能导致昂贵的维修费用。此外，“辛烷值”的重要性超越了性能。它在环境考虑方面也发挥着作用。辛烷值较高的燃料往往燃烧更有效，产生的排放更少。在当今世界，关注减少碳足迹和促进可持续实践至关重要。通过选择辛烷值较高的燃料，消费者可以为改善空气质量和维护地球健康做出贡献。除了性能和环境效益之外，理解“辛烷值”还可以在长期内节省资金。虽然辛烷值较高的燃料每加仑的价格可能更高，但它们可以提高燃油效率。这意味着，根据车辆和驾驶条件，司机可能会发现使用正确等级的燃料时，每加仑行驶的里程更多。因此，在辛烷值较高的燃料上的初始投资可能会随着时间的推移带来加油的节省。总之，燃料的“辛烷值”是任何驾驶车辆的人必须关注的关键因素。它不仅影响发动机的性能，还影响汽车的使用寿命、环境，甚至消费者的经济状况。因此，司机了解所用燃料的“辛烷值”并根据车辆的需求明智选择是很重要的。了解这一燃料方面的知识可以帮助做出更好的决策，既有利于司机，也有利于环境，使其成为当今汽车讨论中的重要话题。