面向客机概念设计的污染气体排放量估算方法  

Estimation Method of Pollutant Gas Emissions for Civil Jet Conceptual Design

作　　者：王宇[1] 张帅[1] 

机构地区：[1]南京航空航天大学飞行器先进设计技术国防重点学科实验室,南京210016

出　　处：《南京航空航天大学学报》2013年第5期708-714,共7页Journal of Nanjing University of Aeronautics & Astronautics

基　　金：中国博士后基金(2011M500919)资助项目;南京航空航天大学科研基地创新创优基金(NJ20120004)资助项目

摘　　要：针对民用航空发动机排放的污染气体对环境产生影响的问题,基于国际民航组织排放数据库和响应面拟合方法,提出了面向飞机概念设计阶段污染气体排放量的估算方法;并鉴于各种污染气体处于不同海拔高度时对温室效应的影响程度不相同,提出使用每座每千千米温室气体排放量(CO2当量)作为衡量客机污染气体排放量的指标;通过采用较详细的任务剖面各阶段的飞行动力学模型,提高排放量估算精度。在验证该方法准确性的基础上,分析了某型客机机翼主要外形参数、巡航飞行速度变化对温室效应的影响。结果表明,适当增加机翼后掠角、展弦比和降低飞行速度,可以减小客机温室气体的排放量。Pollutant gases emitted from the civil aviation engines are harmful to the environment.A new estimation method of emissions for aircraft conceptual design is proposed based on the international civil aviation organization（ICAO） aircraft engine emission databank and the response surface fitting methods.Since the amounts of greenhouse effects of various pollutant gases rely on altitudes,the greenhouse gas emissions （CO2 equivalent） per passenger per thousand kilometers are used to measure the amount of emissions.And by refining the flight dynamics models in various stages of mission profile,the estimation accuracy of emission can be improved.The impacts of the wing configuration and cruise speed on greenhouse effect are discussed,after verifying the accuracy of the proposed method.The results indicate that the greenhouse gas emissions can be reduced by appropriately increasing wing sweep and aspect ratio,and lowering the flight speed.

关 键 词：飞机设计 排放量 温室效应 全球升温潜能值 

分 类 号：V221[航空宇航科学与技术—飞行器设计]