水上飞机着水纵向稳定性试飞方法研究

Research on flight test method of seaplane landing longitudinal stability

针对水上飞机着水纵向稳定性的要求,进行了流体动力学的理论研究,归纳出影响飞机性能的主要因素;同时,提出了水上飞机着水纵向稳定性的试验方法和试飞技术,并在某型水上飞机上开展了相关的飞行试验。结果表明,该试验方法能满足试飞要求,可以用来开展新型水上飞机着水纵向稳定性的鉴定试飞。

According to the requirements of seaplane landing stability in pitch,a theoretical research on the hydrokinetics was carried out,and the major factors which affect the seaplane performance were concluded.The flight test method and techniques of the seaplane landing longitudinal stability were described,and related flight test were carried out with a seaplane.The flight test results show that the new method can meet the related flight test requirements,and be adopted to conduct the certification flight test of a new type of seaplane landing stability in pitch.