specific fuel consumption (SFC)

简明释义

单位耗油率

英英释义

Specific fuel consumption (SFC) is a measure of the fuel efficiency of an engine design, typically expressed as the amount of fuel needed to produce a certain amount of thrust or power over a specific time period.

比油耗(SFC)是衡量发动机设计燃油效率的指标,通常表示为在特定时间内产生一定推力或功率所需的燃料量。

例句

1.When optimizing performance, engineers focus on improving specific fuel consumption (SFC).

在优化性能时,工程师专注于改善单位燃料消耗率 (SFC)

2.A lower specific fuel consumption (SFC) indicates a more efficient engine.

较低的单位燃料消耗率 (SFC)表示发动机更高效。

3.The specific fuel consumption (SFC) of diesel engines is typically lower than that of gasoline engines.

柴油发动机的单位燃料消耗率 (SFC)通常低于汽油发动机。

4.Engine manufacturers often provide data on the specific fuel consumption (SFC) of their products.

发动机制造商通常会提供其产品的单位燃料消耗率 (SFC)数据。

5.The aircraft's specific fuel consumption (SFC) is crucial for calculating its range.

飞机的单位燃料消耗率 (SFC)对于计算其航程至关重要。

作文

In the field of engineering and aviation, understanding the concept of specific fuel consumption (SFC) is crucial for optimizing performance and efficiency. Specific fuel consumption (SFC) refers to the amount of fuel needed to produce a certain amount of thrust or power over a specific period. This measurement is particularly significant in the design and operation of engines, as it directly relates to the fuel efficiency of aircraft and vehicles. The lower the specific fuel consumption (SFC), the more efficient the engine is, which translates to reduced operational costs and environmental impact.Engineers use specific fuel consumption (SFC) to compare different engine designs and technologies. For instance, when evaluating turbojet engines versus turbofan engines, one might find that turbofans generally have a lower specific fuel consumption (SFC) at subsonic speeds due to their high bypass ratio, which allows them to produce more thrust while consuming less fuel. This characteristic makes turbofans the preferred choice for commercial airliners, where fuel efficiency is paramount.Moreover, specific fuel consumption (SFC) is not only relevant for aircraft but also for other types of engines, including those used in automobiles and ships. In the automotive industry, manufacturers strive to develop engines with lower specific fuel consumption (SFC) to meet stringent emission regulations and consumer demand for fuel-efficient vehicles. For example, hybrid and electric vehicles often demonstrate significantly lower specific fuel consumption (SFC) compared to traditional gasoline engines, highlighting the importance of innovation in reducing fuel consumption.The implications of specific fuel consumption (SFC) extend beyond mere performance metrics; they also influence economic factors such as operating costs and environmental sustainability. Airlines, for instance, are heavily impacted by fuel prices, and even a small reduction in specific fuel consumption (SFC) can lead to substantial savings. Additionally, as global awareness of climate change rises, the push for lower specific fuel consumption (SFC) becomes essential in reducing greenhouse gas emissions from transportation.To accurately measure specific fuel consumption (SFC), engineers conduct various tests under controlled conditions. These tests help establish baseline data that can be used for further research and development. Various factors can affect specific fuel consumption (SFC), such as altitude, temperature, and engine load. Therefore, understanding these variables is crucial for engineers aiming to optimize engine performance.In conclusion, the concept of specific fuel consumption (SFC) is vital in modern engineering, particularly in the fields of aviation and automotive design. It serves as a key indicator of fuel efficiency and plays an essential role in the ongoing quest for more sustainable and cost-effective transportation solutions. As technology continues to advance, the importance of achieving lower specific fuel consumption (SFC) will remain a priority for engineers and manufacturers alike, shaping the future of how we travel and transport goods across the globe.

在工程和航空领域,理解特定燃料消耗率(SFC)的概念对于优化性能和效率至关重要。特定燃料消耗率(SFC)指的是在特定时间内产生一定推力或功率所需的燃料量。这个测量在发动机的设计和操作中尤为重要,因为它直接关系到飞机和车辆的燃料效率。特定燃料消耗率(SFC)越低,发动机的效率就越高,这意味着运营成本和对环境的影响减少。工程师利用特定燃料消耗率(SFC)来比较不同的发动机设计和技术。例如,在评估涡喷发动机与涡扇发动机时,人们可能会发现涡扇在亚音速下通常具有较低的特定燃料消耗率(SFC),这是因为其高旁通比使其能够在消耗更少燃料的情况下产生更多推力。这一特性使得涡扇成为商用飞机的首选,因为燃料效率至关重要。此外,特定燃料消耗率(SFC)不仅与飞机相关,还与汽车和船舶等其他类型的发动机有关。在汽车工业中,制造商努力开发具有更低特定燃料消耗率(SFC)的发动机,以满足严格的排放法规和消费者对燃油高效车辆的需求。例如,混合动力和电动车辆通常表现出显著低于传统汽油发动机的特定燃料消耗率(SFC),突显了在减少燃料消耗方面创新的重要性。特定燃料消耗率(SFC)的影响不仅限于性能指标;它们还影响经济因素,例如运营成本和环境可持续性。例如,航空公司受到燃料价格的严重影响,即使是小幅降低特定燃料消耗率(SFC)也能带来可观的节省。此外,随着全球对气候变化的关注加剧,降低特定燃料消耗率(SFC)的推动在减少交通运输中的温室气体排放方面变得至关重要。为了准确测量特定燃料消耗率(SFC),工程师在控制条件下进行各种测试。这些测试有助于建立基线数据,可用于进一步的研究和开发。多种因素可能影响特定燃料消耗率(SFC),例如高度、温度和发动机负载。因此,理解这些变量对于旨在优化发动机性能的工程师至关重要。总之,特定燃料消耗率(SFC)的概念在现代工程中至关重要,特别是在航空和汽车设计领域。它作为燃料效率的关键指标,在不断追求更可持续和具有成本效益的交通解决方案中发挥着重要作用。随着技术的不断进步,实现更低特定燃料消耗率(SFC)的重要性将继续成为工程师和制造商的优先事项,塑造我们未来的旅行和运输商品方式。

相关单词

fuel

fuel详解:怎么读、什么意思、用法

consumption

consumption详解:怎么读、什么意思、用法