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Hypersonic vehicle-inlet integrated aeroheating simulation
Authors
丁海河
王发民
Publication date
15 August 2007
Publisher
Abstract
采用CFD(计算流体动力学)技术,开展了飞行器前体/发动机一体化气动热环境分析.对层流区、转捩区和湍流区分别采用计算模型,在湍流区利用压缩性修正的SSGZ-J k-ε湍流模型,在转捩区引入代数型转捩因子模型描述边界层由层流逐渐过渡为完全湍流的流动过程.计算了前体和内通道的表面热流,并与实验结果进行了对比.结果表明所采用的计算方法可以较好地预测前体及发动机内通道热流率,流动状态、几何结构及激波入射对热流值影响较大
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018