摘要
双侧进气突扩燃烧室中三维湍流有施回流两相流动的数值模拟周力行，林文漪，廖昌明（清华大学工程力学系北京１０００８４）关键词：湍流两相流，数值模拟为提高整体式冲压发动机双侧进气突扩燃烧室火焰稳定能力，我们提出了进气管内装设有切向导角的中心管。流场显示及Ｌ...
The 3-D turbulent swirling and recirculating gas-particle flows in a dual-inlet dump combustor with central inlet tubes have been simulated by using a two-fluid model together with a k-ε-Ap two-phase turbulence model (Ap-Algebraic model of particle tubulence).The results show gas and particle strong reverse flow zones in the near axis region of the combustor head part with remarkable velocity slip between two phases. Predicted gas axial and tangential velocity profiles are in good agreement with experiments. Predicted, as well as measured low particle concentration in the reserse flow zone indicates the necessity of changing the fuel-supply position. The discrepancy between predicted and measured particle concentration profiles is caused due to the shortcomings of the k-ε-Ap model,
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
1994年第4期446-448,共3页
Journal of Engineering Thermophysics
关键词
湍流两相流
数值模拟
燃烧室
turbulent gas-particle flows, numerical modeling.
