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>CFD Validation with LDV Test Data for Payload/Fairing Internal Flow
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CFD Validation with LDV Test Data for Payload/Fairing Internal Flow
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机译:使用LDV测试数据进行CFD验证以获取有效载荷/公平内部流量
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摘要
Flowfield testing of a 1/5th scale model of a payload/fairing configuration, typical of an expendable launch vehicle, has been performed. Two-dimensional (planar) velocity measurements were carried out in four planes with the aid of Laser Doppler Velocimetry (LDV). Computational Fluid Dynamics (CFD) analysis results for the scale model flowfleld are compared with the test data. The CFD results are in general agreement with the test data. The ability of the CFD methodology in identifying the global flow features (including critical points such as vortex, saddle point, etc.) has been demonstrated. Practical problems and difficulties associated with the LDV method applied to the complex geometry under consideration have been summarized.
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