specific fuel consumption

简明释义

燃料消耗率

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 for a specific period.

比油耗是发动机设计的燃油效率的衡量标准,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.Manufacturers are constantly looking for ways to improve specific fuel consumption 特定燃料消耗量 in their vehicles.

制造商不断寻找改善其车辆的特定燃料消耗量的方法。

2.In our latest report, we analyzed the specific fuel consumption 特定燃料消耗量 of various diesel engines.

在我们最新的报告中,我们分析了各种柴油发动机的特定燃料消耗量

3.The specific fuel consumption 特定燃料消耗量 of a turbocharged engine is often lower than that of a naturally aspirated engine.

涡轮增压发动机的特定燃料消耗量通常低于自然吸气发动机。

4.Reducing the specific fuel consumption 特定燃料消耗量 of aircraft is essential for lowering operational costs.

降低飞机的特定燃料消耗量对于降低运营成本至关重要。

5.The engineer calculated the specific fuel consumption 特定燃料消耗量 of the new engine to ensure it meets efficiency standards.

工程师计算了新发动机的特定燃料消耗量以确保其符合效率标准。

作文

Understanding the concept of specific fuel consumption is crucial in the fields of engineering and environmental science. Specific fuel consumption (SFC) is defined as the amount of fuel needed to produce a certain amount of power over a specific period. It is typically expressed in units such as grams per kilowatt-hour (g/kWh) for engines or pounds per horsepower-hour (lb/hp·h) for aircraft engines. The lower the specific fuel consumption, the more efficient the engine is at converting fuel into usable energy.In practical terms, specific fuel consumption plays a significant role in the design and operation of various types of engines, including those used in automobiles, airplanes, and power plants. For instance, when engineers are tasked with designing a new aircraft, they must consider the specific fuel consumption to ensure that the aircraft can fly long distances without carrying excessive amounts of fuel. A high SFC would mean that the aircraft requires more fuel to operate, which can increase operational costs and limit the range of the aircraft.Moreover, specific fuel consumption is not only important for efficiency but also for environmental concerns. With the increasing focus on reducing carbon emissions and promoting sustainability, understanding SFC helps engineers develop cleaner technologies. Engines with lower specific fuel consumption tend to produce fewer emissions, contributing to a decrease in the overall carbon footprint of transportation and energy generation.To illustrate the importance of specific fuel consumption, let’s consider two different car models. Model A has an SFC of 250 g/kWh, while Model B has an SFC of 300 g/kWh. This means that Model A is more fuel-efficient compared to Model B, as it requires less fuel to generate the same amount of power. Consequently, consumers are more likely to choose Model A due to its better fuel economy, which translates to lower fuel costs over time. Additionally, the automotive industry is increasingly focusing on improving SFC in order to meet stringent regulations aimed at reducing greenhouse gas emissions.In the context of power generation, specific fuel consumption is also a critical metric. Power plants that utilize fossil fuels are often evaluated based on their SFC. A plant with a lower SFC can generate more electricity per unit of fuel consumed, making it more economically viable and environmentally friendly. This is particularly relevant as countries strive to transition to renewable energy sources while still relying on traditional fuels during the transition phase.In conclusion, the concept of specific fuel consumption is fundamental for assessing the efficiency and environmental impact of various engines and power systems. Understanding SFC allows engineers and scientists to innovate and improve technologies, leading to better fuel efficiency, reduced emissions, and ultimately a more sustainable future. As we move forward, the importance of specific fuel consumption will only continue to grow, influencing the design and operation of engines across numerous industries.

理解特定燃料消耗的概念在工程和环境科学领域至关重要。特定燃料消耗(SFC)是指在特定时间内产生一定功率所需的燃料量。通常以克每千瓦时(g/kWh)用于发动机,或以磅每马力小时(lb/hp·h)用于飞机发动机来表示。特定燃料消耗越低,发动机将燃料转化为可用能量的效率就越高。在实际应用中,特定燃料消耗在汽车、飞机和发电厂等各种类型发动机的设计和运行中发挥着重要作用。例如,当工程师负责设计一架新飞机时,他们必须考虑特定燃料消耗,以确保飞机能够在不携带过多燃料的情况下飞行长距离。高SFC意味着飞机需要更多的燃料来运行,这可能会增加运营成本并限制飞机的航程。此外,特定燃料消耗不仅对效率重要,还与环境问题密切相关。随着人们越来越关注减少碳排放和促进可持续发展,了解SFC有助于工程师开发更清洁的技术。具有较低特定燃料消耗的发动机往往产生更少的排放,从而有助于减少交通和能源生产的整体碳足迹。为了说明特定燃料消耗的重要性,让我们考虑两种不同的汽车型号。型号A的SFC为250 g/kWh,而型号B的SFC为300 g/kWh。这意味着型号A比型号B更具燃油效率,因为它产生相同功率所需的燃料更少。因此,消费者更可能选择型号A,因为其更好的燃油经济性在时间上转化为更低的燃料成本。此外,汽车行业越来越注重提高SFC,以满足旨在减少温室气体排放的严格法规。在发电的背景下,特定燃料消耗也是一个关键指标。利用化石燃料的电厂通常根据其SFC进行评估。SFC较低的电厂可以每单位消耗的燃料生成更多的电力,使其在经济上更具可行性和环保性。在各国努力向可再生能源过渡的同时,这一点尤为相关,因为在过渡阶段仍然依赖传统燃料。总之,特定燃料消耗的概念对于评估各种发动机和电力系统的效率和环境影响至关重要。理解SFC使工程师和科学家能够创新和改进技术,从而实现更好的燃油效率、减少排放,并最终实现更可持续的未来。随着我们向前发展,特定燃料消耗的重要性只会继续增长,影响着各个行业发动机的设计和运行。

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