The wake geometry of coaxial rotor and single rotor in hover and in level flight was investigated in the course of water tunnel experiment , and the wake boundary of a coaxial rotor for different advance ratios were investigated as an emphasis .
英
美
- 通過(guò)對單旋翼和共軸式雙旋翼在水洞中的對比實(shí)驗 ,研究了在懸停和以不同速度前飛時(shí) ,共軸式雙旋翼和單旋翼尾跡形態(tài)的共性與區別 ,著(zhù)重研究了在不同前進(jìn)比時(shí)共軸式雙旋翼尾跡邊界的形態(tài)。
