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|Title: ||The application of LS-PIV to a small irregular river for inbank and overbank flows|
|Authors: ||Gunawan, B.|
Chandler, Jim H.
|Keywords: ||Large scale particle image velocimetry|
Acoustic Doppler current profiler
|Issue Date: ||2012|
|Publisher: ||© Elsevier|
|Citation: ||GUNAWAN, B. ... et al., 2012. The application of LS-PIV to a small irregular river for inbank and overbank flows. Flow Measurement and Instrumentation, 24, pp. 1 - 12.|
|Abstract: ||This paper examines the feasibility of applying a mobile, large scale particle image velocimetry (LS-PIV) system to a 300 m reach of a small river in order to estimate the discharge. Detailed velocity measurements at a number of locations were carried out using an acoustic Doppler current profiler (ADCP) and acoustic Doppler velocimetry (ADV) for inbank, bankfull and overbank flows. The lateral distributions of the velocity index k (i.e., the ratio of the depth-averaged velocity to the surface velocity) were found to be influenced by the secondary currents, channel vegetation and flow conditions. An attempt is made to quantify the relationship between secondary flow and the velocity index. Appropriate conclusions and advice relating to the practical use of a LS-PIV system as applied to a small river are given.|
|Description: ||Closed Access. This article was published in the journal, Flow Measurement and Instrumentation [© Elsevier Ltd.] and the definitive version is available at: http://dx.doi.org/10.1016/j.flowmeasinst.2012.02.001|
|Publisher Link: ||http://dx.doi.org/10.1016/j.flowmeasinst.2012.02.001|
|Appears in Collections:||Closed Access (Civil and Building Engineering)|
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