Laboratory Study of the Characteristics of Shallow Open Channel Flow Using Fiber-optic Laser Doppler Velocimetry

by Jau-Yau Lu, Natl Chung-Hsing Univ, Taichung, Taiwan,
Li-Chuan Chen, Natl Chung-Hsing Univ, Taichung, Taiwan,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


An experimental study was proposed to investigate the characteristics of shallow rain-impacted flow using a recirculating flume and an artificial rainfall simulator. The fibre-optic Laser Doppler Velocimetry (FLDV) technique was used to measure both the mean velocity profiles and the distributions of longitudinal and vertical turbulence intensities for very shallow flow conditions. The results were compared with other experimental studies.

Subject Headings: Computational fluid dynamics technique | Rainfall | Flow simulation | Velocity distribution | Open channel flow | Turbulent flow | Flow measurement | Comparative studies

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