Volume 38, Number 2, April 2020
|231 - 237
|17 July 2020
Simulation on Powered Effects of BWB at Take-off Condition
School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China
The influence of engine powered effects on aerodynamic characteristics of BWB300, which was designed by the Airplane Concept Design Institute of Northwestern Polytechnical University, at take-off condition was analyzed by using the numerical simulation method. Firstly, the method of using the inlet and exhaust boundary conditions to analyze the powered engine was validated. Then, the engine powered effects on BWB300 aerodynamic characteristics at take-off condition were researched with flow through nacelle and with powered nacelle. The results indicated that though the powered effect changing the value of aerodynamic forces, there was no change in the aerodynamic curve trend. It's recommended that the engine power effect should be considered in numerical simulation by using with powered nacelle to gain more accurate values of aerodynamic forces. Nevertheless, with flow nacelle also could be used to gain some regular results.
Key words: BWB / take-off condition / powered effect / aerodynamic characteristics / numerical simulation
关键字 : 翼身融合布局 / 起飞状态 / 动力效应 / 气动特性 / 数值模拟
© 2019 Journal of Northwestern Polytechnical University. All rights reserved.
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