【作者】 王璐； 王云； 陈宇；

【Author】 WANG Lu;WANG Yun;CHEN Yu;School of Aircraft Engineering, Nanchang Hangkong University;

【机构】 南昌航空大学飞行器工程学院；

【摘要】 新型旋翼推进式无人飞艇是一种可低空飞行的复合式无人飞行器,其主要结构包括气囊和直接安装在气囊上的推进旋翼组成,具有重载高效、经济低廉、起降方便、稳定安全等的优点,适用于诸如航空物探、农林作业、航拍观察及物资运输等方面。为了解飞行器中旋翼与气囊之间的相互气动作用情况,本文用流体仿真方法对飞行器的气动特性进行了细致分析,发现气囊上旋翼的推进布置方式远比拉进布置方式推进效率要高,旋翼与气囊间距离对推进效率有一定影响。通过对旋翼与气囊的气动分析,初步确定了该飞行器合理的旋翼布置方式及安装结构,为飞行器的下一步研究奠定了扎实的基础。更多还原

【Abstract】 The new type of rotor propelled unmanned airship has the hybrid power,which can fly at low altitude, The main structures include airbag and a propelling rotor which is directly arranged on the airbag. The UAV has the advantages of high efficiency, low cost, convenient for taking off and landing, stable and safe. It is can be applied to fields of forestry operations, aviation geophysical exploration, aerial observation and transportation of materials etc. In order to understand the aerodynamic interaction between the rotor and the airbag.In this paper, the aerodynamic characteristics of aircraft are analyzed by the method of fluid simulation.Found rotor on the airbag propulsion arrangement than into arrangement propulsive efficiency is higher, the distance between the rotor and the airbag on the propulsion efficiency has a certain influence. Preliminary determined the reasonable craft of rotor structure arrangement and installation.Laying a solid foundation for the further research of the aircraft.更多还原