螺旋桨无人机三维流场数值模拟  

Three Dimension Flow Field Numerical Simulation for Airscrew Unmanned Aircraft Vehicle

作　　者：汪卫华[1] 李晋岭 王充 吕艳梅 王格芳 刘光猛[1] 

机构地区：[1]陆军军官学院,安徽合肥230031 [2]军械技术研究所,河北石家庄050000

出　　处：《红外技术》2012年第5期292-296,共5页Infrared Technology

基　　金：国防科研项目;国家自然科学基金项目(51076166)

摘　　要：采用流体动力学数值模拟方法对无人机及其螺旋桨发动机三维流场进行数值计算,获取了飞机的整体温度分布、螺旋桨发动机高温排气温度、浓度三维分布,为无人机红外辐射特性、空气动力学特性的计算与分析提供数据支撑。The flow field of unmanned aircraft vehicle（UAV） and piston engine airscrew has been calculated using hydrodynamics numerical simulation method.The three dimension temperature distribution of the aircraft,the three dimension temperature distribution and the consistence distribution of high-temperature exhaust gas has been presented,to support for the optimize and improve the infrared radiation characteristics of UAV,and to supply more robust database for the aerodynamics characteristics analysis of UAV,and make a significant joint contribution to the future infrared counterwork capability for the active service UAV.

关 键 词：无人机 数值模拟 红外辐射 温度场 

分 类 号：TJ85[兵器科学与技术—武器系统与运用工程] TP391.9[自动化与计算机技术—计算机应用技术]