| 利用M1.4喷管和开孔壁试验段实现低超声速流场实验研究 |
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| 引用本文： | 刘琴,陈志强,申江,符澄,王海峰.利用M1.4喷管和开孔壁试验段实现低超声速流场实验研究[J].实验流体力学,2011,25(1). |
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| 作者姓名： | 刘琴 陈志强 申江 符澄 王海峰 |
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| 作者单位： | 中国空气动力研究与发展中心,四川,绵阳,621000 |
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| 摘 要： | 在FL-26y风洞中利用M1.4喷管和开孔壁试验段进行了实现低超声速流场的实验研究工作。通过实验研究验证了利用M1.4喷管在开孔壁试验段上建立起的低超声速流场的流场品质能够满足国军标合格指标的要求。实验还考察了不同稳定段总压、驻室抽气量等开车参数以及不同试验段扩开角、主流引射缝开度和开孔壁开孔率等洞体条件对流场的影响,为2.4m×2.4m跨声速风洞增设M1.4喷管,拓展该风洞试验马赫数的范围,使其具备M1.4的低超声速试验能力提供了技术支持,同时也为该风洞在下一阶段正式开展M1.4流场调试提供了可供参考的调试参数。
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| 关 键 词： | M1.4喷管 开孔壁 低超声速 实验研究 跨声速风洞 |
Experimental research of low supersonic flow field for M1.4 nozzle and perforated wall test section |
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| LIU Qin,CHEN Zhi-qiang,SHEN Jiang,FU Cheng,WANG Hai-feng.Experimental research of low supersonic flow field for M1.4 nozzle and perforated wall test section[J].Experiments and Measur in Fluid Mechanics,2011,25(1). |
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| Authors: | LIU Qin CHEN Zhi-qiang SHEN Jiang FU Cheng WANG Hai-feng |
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| Institution: | LIU Qin,CHEN Zhi-qiang,SHEN Jiang,FU Cheng,WANG Hai-feng(China Aerodynamics Research & Development Center,Mianyang Sichuan 621000,China) |
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| Abstract: | An experimental research of low supersonic flow field for M1.4 nozzle and the perforated wall test section is conducted in the FL-26y wind tunnel.The experimental study has demonstrated that the flow quality of low supersonic flow field in the perforated wall test section established by the use of M1.4 nozzle reaches the qualified requirement in the state and military standard system.The effects on flow field are also considered,for example,the different operation parameters including stagnation pressure an... |
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| Keywords: | M1 4 nozzle perforated wall low supersonic experimental research transonic wind tunnel |
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