吸气式高超声速飞行器通气模型测力试验技术研究

推进技术 ›› 2018, Vol. 39 ›› Issue (10): 2394-2400.

• 测试试验控制 • 上一篇

吸气式高超声速飞行器通气模型测力试验技术研究

王泽江¹,宋文萍¹,杨波²,曾学军²,孙鹏²,唐小伟²

西北工业大学航空学院，陕西西安 710072,西北工业大学航空学院，陕西西安 710072,中国空气动力研究与发展中心，四川绵阳 621000,中国空气动力研究与发展中心，四川绵阳 621000,中国空气动力研究与发展中心，四川绵阳 621000,中国空气动力研究与发展中心，四川绵阳 621000

发布日期:2021-08-15
作者简介:王泽江，男，博士生，副研究员，研究领域为高超声速空气动力学。

Research on Experimental Technique of Force Test with Ducted Models for Air-Breathing Hypersonic Vehicles

School of Aeronautics，Northwestern Polytechnical University，Xi’an 710072，China,School of Aeronautics，Northwestern Polytechnical University，Xi’an 710072，China,China Aerodynamic Research and Development Center，Mianyang 621000，China,China Aerodynamic Research and Development Center，Mianyang 621000，China,China Aerodynamic Research and Development Center，Mianyang 621000，China and China Aerodynamic Research and Development Center，Mianyang 621000，China

Published:2021-08-15

摘要/Abstract

摘要： 由于内阻测量方法限制，来流[Ma∞]> 4时常规通气模型测力试验精度无法满足吸气式高超声速飞行器设计和性能评估需求。为解决上述问题，确保试验精度满足飞行器研究需要，探索了将天平测量内阻技术引入常规通气模型测力试验的可行性。从改进试验方法角度提出了一种回避内阻测量难题的新型试验方法:采用“尾支+六分量天平”直接测量通气模型的气动特性(机体控制体产生的气动力载荷)，并开展了试验验证。结果表明:由于减少了内阻测量环节，新型测力试验技术的精度高，[Ma∞]= 6时的阻力系数误差小于2%，远低于常规通气模型测力试验误差，具有精度高、模型相对简单、技术复杂程度较低、推广应用可能性大的优势。

关键词: 高超声速；风洞试验技术；测力试验；通气模型；天平；气动力；内阻

Abstract: Due to the limitation of the method of internal drag measurement， the accuracy of traditional aerodynamic experiments of force test with ducted models (TFTDM) is unable to meet the demands of airframe-propulsion integrated design and aerodynamic performance estimation for air-breathing hypersonic vehicles at [Ma∞]>4.0. To solve this problem and ensure the aerodynamic accuracy experiments meet the demands of hypersonic vehicles development， the feasibility of introducing the internal drag measurement with the balance into TFTDM is explored firstly. After that， a new technique of force direct-test with ducted models (FDTDM) is proposed from improving the experimental method of TFTDM， to avoid the problem of internal drag measurement， which principle is the balance measurement of aerodynamic forces acting on the external component (airframe control volume) of ducted models with sting-supported model. A verification test is conducted and the accuracy of the technique is estimated. The results indicate that， due to cutting down the testing link of internal drag measurement， the accuracy of FDTDM is very high with the errors of drag coefficients less than 2% at [Ma∞]=6 and far below that of TFTDM. FDTDM has many advantages， such as high accuracy， simpler model structure， low technical complexity， large possibility of spread and application etc..

Key words: Hypersonic；Wind tunnel experimental technique；Force test；Ducted model；Balance；Aerodynamic forces；Internal drag

王泽江,宋文萍,杨波,曾学军,孙鹏,唐小伟. 吸气式高超声速飞行器通气模型测力试验技术研究[J]. 推进技术, 2018, 39(10): 2394-2400.

WANG Ze-jiang¹,SONG Wen-ping¹,YANG BO²,ZENG Xue-jun²,SUN Peng²,TANG Xiao-wei². Research on Experimental Technique of Force Test with Ducted Models for Air-Breathing Hypersonic Vehicles[J]. Journal of Propulsion Technology, 2018, 39(10): 2394-2400.

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吸气式高超声速飞行器通气模型测力试验技术研究

Research on Experimental Technique of Force Test with Ducted Models for Air-Breathing Hypersonic Vehicles

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