一种TBCC 可调喷管流动特性的实验研究

推进技术 ›› 2017, Vol. 38 ›› Issue (12): 2692-2698.

一种TBCC 可调喷管流动特性的实验研究

郭昆¹,唐海龙^1,2,何勇攀³,张坤^1,2

北京航空航天大学能源与动力工程学院，北京 100191,北京航空航天大学能源与动力工程学院，北京 100191; 先进航空发动机协同创新中心，北京 100191,西北工业大学动力与能源学院，陕西西安 710072,北京航空航天大学能源与动力工程学院，北京 100191; 先进航空发动机协同创新中心，北京 100191

发布日期:2021-08-15
作者简介:郭昆，男，高工，研究领域为飞机推进系统。

Experimental Study on Flow Characteristics in a Variable Nozzle for TBCC

School of Energy and Power Engineering，Beihang University，Beijing 100191，China,School of Energy and Power Engineering，Beihang University，Beijing 100191，China;Collaborative Innovation Center for Advanced Aero-Engine，Beijing 100191，China,School of Power and Energy，Northwestern Polytechnical University，Xi’an 710072，China and School of Energy and Power Engineering，Beihang University，Beijing 100191，China;Collaborative Innovation Center for Advanced Aero-Engine，Beijing 100191，China

Published:2021-08-15

摘要/Abstract

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

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

郭昆,唐海龙,何勇攀,张坤. 一种TBCC 可调喷管流动特性的实验研究[J]. 推进技术, 2017, 38(12): 2692-2698.

GUO Kun¹,TANG Hai-long^1,2,HE Yong-pan³,ZHANG Kun^1,2. Experimental Study on Flow Characteristics in a Variable Nozzle for TBCC[J]. Journal of Propulsion Technology, 2017, 38(12): 2692-2698.

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