智能探头式大气数据传感器的应用研究

智能探头式大气数据传感器通过测量飞行器表面及附近区域的总压和静压,经大气数据计算机的解算后,得到迎角、速度和高度等参数.对飞行器表面及其周围流场的正确预测和细致分析,是确定智能探头安装位置以及校准算法的关键基础.以某型民用运输飞机为背景,采用计算流体力学技术分析飞机流场,对智能探头式大气数据传感器的安装位置选择以及位置误差修正进行了实例研究.地面试验的结果表明所采用的方法可靠、智能探头的安装位置合理、修正算法准确度高.

Application Research on Smart Probe Air Data Sensor

Smart probe air data sensor measures total pressure and static pressure on airplane surface,then transfers them to air data computer for computing parameters as angle of attack,velocity and altitude.For installation and calibration of smart probe,the prediction and analysis on flow field are critical.This research focuses on application of smart probe on civil transport airliner,computational fluid dynamics(CFD) technology is used to study the choice of installation and correction of position error.Ground test verifies the reliability of CFD method,reasonability of smart probe location and precision of calibration algorithm.