A tristatic Doppler velocity profiler and its application to turbulent open-channel flow

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作者
Shen, C
Lemmin, U
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TH [机械、仪表工业];
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0802 ;
摘要
A tristatic acoustic Doppler velocity profiler (ADVP) has been del;eloped to measure instantaneous two dimensional velocity profiles non-intrusively. The measuring volume is about phi 20 x 4.5mm, aid die frequency response is better than 20Hz. Applications of the ADVP to clear-water open-channel flow are presented. The tristatic ADVP measurements show a strong organization of the turbulent two component velocity field over the total water column which is correlated to the Reynolds stress intermittency.
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页码:483 / 486
页数:4
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