对转螺旋桨气动力和气动噪声风洞试验技术  

Counter-rotating propellers aerodynamic and aerodynamic noise testtechnology in wind tunnel

作　　者：陈正武[1] 姜裕标[1] 赵昱 卢翔宇[1] 仝帆 CHEN Zhengwu;JIANG Yubiao;ZHAO Yu;LU Xiangyu;TONG Fan(Key Laboratory of Aerodynamic Noise Control,Low Speed Aerodynamics Institute,China Aerodynamics Research and Development Center,Mianyang Sichuan 621000,China)

机构地区：[1]中国空气动力研究与发展中心低速空气动力研究所气动噪声控制重点实验室,四川绵阳621000

出　　处：《航空动力学报》2024年第5期198-207,共10页Journal of Aerospace Power

摘　　要：针对对转螺旋桨气动力和气动噪声性能评估和优化研究需求,依托声学风洞,研发了1套大功率对转螺旋桨动力模拟试验装置,并发展了对转螺旋桨气动力和气动噪声风洞试验数据处理方法。对转螺旋桨动力模拟试验装置由300 kW电动机提供动力输入,由齿轮箱实现增速和内外传动轴反向旋转,由旋转轴天平测量气动力。装置完成研制后,在5.5 m×4 m声学风洞开展了对转螺旋桨气动力和气动噪声试验。结果表明对转螺旋桨动力模拟试验装置的转速控制精度优于0.5 r/min,传动效率达到97.7%,装置运行平稳、可靠;对转螺旋桨试验的拉力系数重复性精度优于0.002 1,功率系数重复性精度优于0.002 2,气动噪声重复性精度优于0.5 dB。According to the performance evaluation and optimization research requirements of counter-rotating propellers aerodynamic and aerodynamic noise,a high power counter-rotating propellers dynamic simulation test rig was developed based on acoustic wind tunnel,and the data processing method of counter-rotating propellers wind tunnel test was developed.The counter-rotating propellers dynamic simulation test rig was powered by 300 kW electric motor,accelerated by the gear box to realize internal and external drive shaft reverse rotation,and the aerodynamic was measured by rotating shaft balances.After development of the rig,aerodynamic and aerodynamic noise test of counter-rotating propellers were carried out in 5.5 m×4 m acoustic wind tunnel.The result showed that the rotating speed control accuracy of counter-rotating propellers dynamic simulation test rig was better than 0.5 r/min,the transmission efficiency reached 97.7%,and the test rig operated stably and reliably.The test repeatability accuracy of counter-rotating propellers pull coefficient was better than 0.0021,that of counter-rotating propellers power coefficient was better than 0.0022,and that of counter-rotating propellers aerodynamic noise was better than 0.5 dB.

关 键 词：对转螺旋桨 开式转子 气动噪声 声学风洞 旋转轴天平 

分 类 号：V211.6[航空宇航科学与技术—航空宇航推进理论与工程]