自然结冰飞行试验技术综述

Flight test technology of natural icing

针对自然结冰飞行试验需求,在国内外研究结果的基础上,结合国内飞机自然结冰适航取证飞行试验,系统研究了在国内开展自然结冰试飞的技术难点和实施路径。围绕自然结冰试飞中的结冰气象预测、试飞科目综合设计、安全评估、安全监控以及适航符合性数据分析等难点,开展了自然结冰试飞总体框架、综合试飞策略、试验保障技术、实施决策程序及数据符合性评估等试飞技术体系建设研究。最后,提出了国内航空器结冰研究体系化发展、研究模式变革以及基于飞行试验的自主适航体系建设的研究思路,即通过开展自然结冰研究性试飞和结冰技术基础研究,带动国内防冰技术整体性进步,形成自主可控的设计研发能力和适航标准制定能力。

Aiming at the needs of natural icing flight tests,the technical difficulties and research path of natural icing flight tests in China are systematically studied based on the research results home and abroad,starting from the devel⁃opment process of icing flight test technology and combining the natural icing airworthiness flight test of domestic air⁃craft.The research is carried out around the difficulties of icing weather prediction,comprehensive design of flight test sessions,safety assessment and effectiveness analysis of measured data in natural icing flight tests,and the technical research path is provided.The research on the construction of the flight test technology system was conducted,in⁃cluding the overall framework of natural icing flight tests,comprehensive flight test strategies,test support technology,implementation decision procedure,and data compliance evaluation.Finally,the systematic development of domestic aircraft icing research,the change of research mode and the construction of independent airworthiness systems based on flight tests are presented.This paper proposes to promote the overall progress of domestic anti-icing technology by performing fundamental research on flight tests of natural icing so as to form an independent and controllable design and development capability and airworthiness standard formulation capability.