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中国科学院力学研究所机构知识库
Knowledge Management System of Institue of Mechanics, CAS
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Funding Organization:为研究高超声速进气道的性能参数随飞行高度、来流湍流度及来流马赫数的变化规律,并考察其压缩面上的边界层转捩现象对进气道性能的影响,采用本课题组程序平台HGFS所发展的γ-Re_θ转捩模型进行了一系列的数值模拟工作,并对相应的流动现象和机理进行分析.首先,利用进气道压缩面的简化模型对γ-Re_θ转捩模型经验关联公式的高超声速改进方法进行了验证
Funding Organization:其次,以某型等熵压缩面的高超声速进气道为对象,研究了飞行高度、来流马赫数对边界层转捩位置等多个参数的影响.结果表明:随着飞行高度的增加,压缩面上边界层转捩位置延后,进气道总压恢复系数下降