摘要: |
针对一种喉道面积与出口面积独立可调的串联布局TBCC喷管,进行了内外部流动特性的实验研究,并将所得到的结果与仿真结果进行了对比。结果表明,该可调喷管能够在宽广的落压比和通流流量范围内正常工作,在起飞状态、过渡状态、巡航状态下,其流动结构建立正常,推力系数较高,分别为0.90,0.96和0.97。并且在各典型状态下,实验、仿真获得的流动结构、沿程静压分布曲线均具有较好的一致性。 |
关键词: TBCC可调喷管 中心体 模型实验 流场结构 |
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Experimental Study on Flow Characteristics in a Variable Nozzle for TBCC |
GUO Kun1,TANG Hai-long1,2,HE Yong-pan3,ZHANG Kun1,2
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(1. School of Energy and Power Engineering,Beihang University,Beijing 100191,China;2. Collaborative Innovation Center for Advanced Aero-Engine,Beijing 100191,China;3. School of Power and Energy,Northwestern Polytechnical University,Xi’an 710072,China)
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Abstract: |
In order to obtain the internal and external flow characteristics,experimental study is performed |
Key words: Variable nozzle for TBCC Center body Model test Flow structure |