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首页> 外文期刊>Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow >High-repetition-rate PIV investigations on a generic rocket model in sub- and supersonic flows
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High-repetition-rate PIV investigations on a generic rocket model in sub- and supersonic flows

机译：亚音速流和超音速流中的通用火箭模型的高重复率PIV研究

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摘要

High-repetition-rate PIV measurements were performed in the trisonic wind tunnel facility at the Bundeswehr University Munich in order to investigate the boundary layer parameters on a generic rocket model and the recirculation area in the wake of the model at Mach numbers up to Mach = 2.6. The data are required for the validation of unsteady flow simulations. Because of the limited run time of the blow-down wind tunnel, a high-repetition-rate PIV system was applied to obtain the flow statistics with high accuracy. The results demonstrate this method's potential to resolve small-scale flow phenomena over a wide field of view in a large Mach number range but also show its limitations for the investigations of wall-bounded flows.
机译：为了研究通用火箭模型的边界层参数以及模型唤醒后的马赫数最大为马赫数= 2.6。验证非稳态流动模拟需要这些数据。由于排风洞的运行时间有限，因此采用了高重复率的PIV系统来获得高精度的流量统计信息。结果表明，该方法具有解决大马赫数范围内大范围小规模流动现象的潜力，但也显示了其在研究有边界流动方面的局限性。

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