Experimental Study on Flow Characteristics in a Variable Nozzle for TBCC

被引：0
|
作者：
Guo K. [1 ]
Tang H.-L. [1 ,2 ]
He Y.-P. [3 ]
Zhang K. [1 ,2 ]
机构：
[1] School of Energy and Power Engineering, Beihang University, Beijing
[2] Collaborative Innovation Center for Advanced Aero-Engine, Beijing
[3] School of Power and Energy, Northwestern Polytechnical University, Xi'an
来源：
Tuijin Jishu/Journal of Propulsion Technology | 2017年 / 38卷 / 12期
关键词：
Center body; Flow structure; Model test; Variable nozzle for TBCC;
D O I：
10.13675/j.cnki.tjjs.2017.12.007
中图分类号：
学科分类号：
摘要：
In order to obtain the internal and external flow characteristics, experimental study is performed on a tandem TBCC nozzle with independently adjustable throat area and duct exit area. The experimental and computational results are also compared. The results indicate that the variable nozzle can operate in a wide range of nozzle pressure ratio and mass flow rate. The desired internal and external flow structure can be established successfully and the thrust coefficient is 0.90, 0.96 and 0.97 for the take-off state, transition state and cruise state, respectively. In addition, the experimental results agree well with the computational results at the above stated typical operating states. © 2017, Editorial Department of Journal of Propulsion Technology. All right reserved.
引用
收藏
页码：2692 / 2698
页数：6
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