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研究了降雨的自然特性,分析了降雨条件下机翼表面复杂的物理现象.重点从实验测试和数值模拟两方面论述了国内外关于降雨对飞机气动性能影响的研究进展,内容涉及降雨条件下机翼的气动性能损失、降雨对机翼气动性能的影响机理和机翼对各种影响因素的敏感度研究等方面.指出了当前国内外关于这一研究在自然飞行测试、实验相似准则、风洞实验中边界层固定转捩和多相流数值建模等方面所面临的关键问题和重大技术挑战.
The natural characteristics of rainfall are studied, and the complex physical phenomena on the surface of the wing under rainfall are analyzed.The emphasis is put on the research progress of the influence of rainfall on the aerodynamic performance of aircraft at home and abroad from the aspects of experimental testing and numerical simulation, The aerodynamic performance loss of the wing, the mechanism of the rain on the aerodynamic performance of the wing and the research on the sensitivity of the wing to various influencing factors, etc. At the same time, the current domestic and international researches on the natural flight test, experimental similarity criterion, wind tunnel In the experiment, the key problems and major technical challenges in the fixed boundary layer transition and numerical modeling of multiphase flow were discussed.