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Effects of Staged Injection on Supersonic Mixing and Combustion |
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| Authors: | Lingyun HOU Bernhard WEIGAND Marius BANICA[Author vitae] |
| Institution: | aSchool of Aerospace, Tsinghua University, Beijing 100084, China;bInstitut für Thermodynamik der Luft- and Raumfahrt (ITLR), Universität Stuttgart, Stuttgart 70569, Germany;cTEB42 Liquid Propulsion Systems, EADS Astrium Space Transportation, Les MureauxCedex 78133, France |
| Abstract: | The three-dimensional (3D) reacting flow in a staged supersonic combustor is examined numerically. In order to obtain the optimum stream-wise vortices, a swept ramp injector is chosen as the second-stage wall injection combined with the first-stage central strut injection. The performance of the two-staged injection is compared with that of a one-staged injection, while the strut is kept installed in both cases. The two-staged injections can make full use of the residual oxygen near the wall and release mor... |
| Keywords: | supersonic mixing stream-wise vortices staged injection swept ramp combustion |
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