高位进气、径向出流的旋转腔内流动与换热的数值研究
Numerical Investigation of Fluid Flow and Heat Transfer Characteristics within a Rotating Cavity with a High Positioned Axial Inlet and a Radial Outlet
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摘要: 用标准k-ε模型模拟了航空发动机涡轮盘冷却系统的高位进气、径向出流盘腔模型的湍流流场和温度场,分析了其盘面平均Nu数随旋转雷诺数Reω和进气雷诺数Re的变化。Abstract: Numerical simulation was performed to study the turbulent flow and heat transfer within a rotating cavity with a high positioned axial inlet and a radial outlet.Analysis was carried out for the variation of the averaged Nu number on the heated disk surface vs.Reωand Re.
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