声学多普勒流速仪在水槽流速测量中的应用
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严松, 吴浩, 孙大鹏, 唐蔚
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Application of Acoustic Doppler Velocimetry in Flume Flow Experiment
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Song YAN, Hao WU, Dapeng SUN, Wei TANG
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表3 不同变频器频率下的平均流速与方差 |
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变频器频率/Hz | 平均流速/(m·s-1) | 方差/(cm2·s-2) | 10 | 0.087 | 0.04 | 13 | 0.111 | 0.16 | 16 | 0.135 | 0.25 | 19 | 0.157 | 0.49 | 22 | 0.182 | 0.64 | 25 | 0.202 | 0.64 | 28 | 0.226 | 0.81 | 31 | 0.251 | 1.21 | 34 | 0.272 | 1.96 | 37 | 0.294 | 2.89 | 40 | 0.319 | 2.56 | 43 | 0.342 | 1.96 |
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