【摘要】 为了在FL-21风洞中标定气动补偿空速管,有必要分析试验数据的精准度要求。对流场特性测量与分析、试验方法改进、试验标模系统的建立等方面的研究,提高了气动补偿空速管的试验测量精度和稳定性,为气动补偿空速管用于飞机/导弹的测高测速系统改造和设计提供了可靠的依据。更多还原

【Abstract】 In order to calibrate aerodynamics compensation airspeed heads in FL-21 wind tunnel, it is necessary to analyze the precision and accuracy of test results, to measure and analyze flow filed performance, to improve experimental methods and setup standard module system. The results show that the test results precision and accuracy and steady of aerodynamics compensation airspeed heads are improved. It is reliable to apply aerodynamics compensation airspeed heads to improving sensor height and speed system of aircraft and missile.更多还原