Affiliation of Author(s):能源与动力学院
Journal:Tuijin Jishu
Abstract:In order to reduce the losses caused by the rectifier section and the bluff body, through the use of the centrifugal force accelerating flame propagation principle, a combustion chamber of a turbine based combined cycle engine (TBCC) is designed. The flow field characteristics of different swirl inlet positions, swirling angles and the combination of both are studied with numerical simulation methods and the fuel particle size influence on the oil field distribution under centrifugal force field is studied. The results show that, compared with the swirling inlet and swirling angle at a single position, the total pressure loss increases with the combination of different swirling positions and angles, while the tangential velocity attenuates rapidly. Results of different fuel particles size simulation show that, comparing with 50μm diameter fuel droplets, the mixing distance of 70μm ones is shorter due to the larger centrifugal force they born, and the fuel spray distribution is more in line with the combustion chamber temperature distribution requirements. © 2019, Editorial Department of Journal of Propulsion Technology. All right reserved.
ISSN No.:1001-4055
Translation or Not:no
Date of Publication:2019-01-01
Co-author:Zhai, Wen-Hui,Tao, Hua,huang xiaotao,Chen, Yu-Qian
Correspondence Author:Zhai, Wen-Hui,fyx
Date of Publication:2019-01-01