A study on interaction between opposed jets and swirling plows in a model combustor

Y. C. Chao, W. C. Ho

研究成果: Paper同行評審

1 引文 斯高帕斯(Scopus)

摘要

The interaction between opposed jets and swirling cross-flow in a model combustor is investigated both numerically and experimentally. As the jets with sufficient strength are placed at a suitable location, relative to the swirling recirculation, the shape of the recirculation zone will be greatly altered. After been injected into the crossflow, the jets are deflected and move along spiral paths and at the same time they diffuse to the crossflow rapidly. Three methods are employed to trace the jet trajectory in the swirling cross-flow. The total velocity contour is used to identify the jet column in the near field of the jet stream. The vorticity contour is used to visualize the jet column vortices as well as the twisting process caused by the jet deflection as they penetrate further into the swirling flow. The local maximum tangential velocity method is employed to trace the jet characteristics downstream of the jet location. As jet-to-crossflow velocity ratio increases, the penetration depth increases as well, but the spiral speed decreases.

原文English
出版狀態Published - 1987 一月 1
事件AIAA/ASME/SAE/ASEE 23rd Joint Propulsion Conference, 1987 - San Diego, United States
持續時間: 1987 六月 291987 七月 2

Other

OtherAIAA/ASME/SAE/ASEE 23rd Joint Propulsion Conference, 1987
國家/地區United States
城市San Diego
期間87-06-2987-07-02

All Science Journal Classification (ASJC) codes

  • 機械工業
  • 航空工程
  • 能源工程與電力技術
  • 控制與系統工程
  • 電氣與電子工程

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