Experimental procedure to obtain 2D time-space high-speed water surfaces

A. Bateman, Albert Granados, V. Medina, D. Velasco, M. Nalesso

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Abstract

Numerical validations always require a major effort involving laboratory measurements. In 2D models, it is unusual to see comparisons between measurements (in space and time) and the numerical results of a model. Measuring a surface involves many problems because collecting sufficient data in space and time is very complex. This paper indicates how to measure a liquid surface by taking 2D measurements (in space and time) of a set of cross-sections of a water surface experiencing a dam-break phenomenon. This work was carried out by a research group (GITS-UPC) at the Hydraulics Laboratory of the Department of Hydraulic, Maritime and Environmental Engineering of the Technical University of Catalonia. The paper details our mathematical framework and experimental methodology, which involves 3 mW laser beams and high- and medium-speed cameras, and compares a numerical surface to an experimental surface. The numerical data were modelled using FLATMODEL, which was developed entirely by the research group.
Original languageEnglish
Title of host publicationProceedings of the International Conference of Fluvial Hydraulics (2006)
PublisherCRC Press, Taylor & Francis Group
Publication date2006
Pages1879 − 1888
Publication statusPublished - 2006
Externally publishedYes
EventInternational Conference on Fluvial Hydraulics - Lisbon, Portugal
Duration: 6 Sep 20068 Sep 2006

Conference

ConferenceInternational Conference on Fluvial Hydraulics
CountryPortugal
CityLisbon
Period06/09/200608/09/2006

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