Three-dimensional numerical simulation of rotating detonation engine with separate injection
Hu Ma , X. Wu , Jan Kindracki , Chenglong Yang , Lei Deng
A three-dimensional numerical investigation of rotating detonation engine with separate injection was presented in this paper. Air as oxidizer was injected into annular combustor through annular slot, and H2 as fuel was injected into annular combustor through 90 orifices uniformly distributed over the inner wall of the combustor. The mixing level of H2 and air and the developing processes of three-dimensional rotating detonation wave were analyzed. It was found that the injection pressure in annular slot plays an important role in mixing, too high injection pressure is unfavorable for the mixing of H2 and air. There is a minimum mixing distance for slot/orifice injector, and rotating detonation wave, which alternates between appearance and disappearance, is unstable within the distance. The height of detonation wave is higher than the minimum mixing distance, which is a precondition for the stable propagation of rotating detonation wave.
|Journal series||Ranshao Kexue Yu Jishu/Journal of Combustion Science and Technology, ISSN 1006-8740, (0 pkt)|
|Score|| = 0.0, 05-09-2019, ArticleFromJournal|
= 5.0, 05-09-2019, ArticleFromJournal
|Publication indicators||= 3; : 2016 = 0.459|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.