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航空运输所带来的污染物排放问题日益引起国际社会的关注,加强航空运输业的节能减排首要问题是建立科学的污染物排放标准。通过对航空器巡航飞行中运动状态的研究,给出了长程巡航速度的计算方法,并根据国际民航组织提供的污染物排放系数,推导出巡航阶段最低的污染物排放量计算公式。通过实际算例,对比分析了不同运行方式下污染物排放量的差异,证明长航程巡航方式下的排放量最少,可以作为衡量航班飞行中节能减排效果的基准。
The issue of pollutant emissions caused by air transport is increasingly aroused the concern of the international community. The primary issue of strengthening energy conservation and emission reduction in the air transport industry is to establish a scientific emission standard for pollutants. Based on the research on the state of cruise flight, the method of calculating long-range cruise speed is given. According to the pollutant discharge coefficient provided by ICAO, the formula for calculating the lowest pollutant discharge during cruise phase is derived. Through the actual example, the difference of pollutant emissions under different operation modes is comparatively analyzed, which proves that the discharge of long-range cruise is the least, which can be used as a benchmark to measure the effect of energy-saving and emission reduction in flight.