南京航空航天大学学报2011,Vol.43Issue(3):357-362,6.
微型旋翼悬停状态气动性能分析方法
Analysis Method for Prediction of Micro-Rotor Performance in Hover
摘要
Abstract
In order to better understanding the relevant micro helicopter aerodynamics, a method for the prediction of micro-rotor hover performance is presented. The method combines the computational fluid dynamics (CFD) technique for two-dimensional parametric aerodynamic study of airfoils at low Reynolds numbers with the blade element momentum theory (BEMT) for the prediction of rotor hover performance. The predicted thrust and power of micro-rotor are in good agreement with experimental measurements. The investigation explores the influences of a series of parameters such as airfoil shape and blade plan form on the micro-rotor performance. Theoretical and experimental studies show that thin circular arc airfoil shape, tip tapered geometries and blade plan form with twist distribution will improve the maximum of micro-rotor hover efficiency.关键词
微型旋翼/低雷诺数/悬停性能/动量-叶素理论/CFD方法Key words
micro-rotor/ low reynolds number/ hover performance/ blade-element momentum theory/computational fluid dynamics method分类
航空航天引用本文复制引用
唐正飞,王畅,高卓飞..微型旋翼悬停状态气动性能分析方法[J].南京航空航天大学学报,2011,43(3):357-362,6.基金项目
航空科学创新基金(2007A52005)资助项目 (2007A52005)
直升机旋翼动力学重点实验室基金(51463010304ZS5201)资助项目. (51463010304ZS5201)