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On the accurate resolution of hydraulic jumps in Open‐FOAM: Measurement techniques for the study of hydraulic jumps López Castaño, S.; Verelst, K.; Van Hoydonck, W. (2024). On the accurate resolution of hydraulic jumps in Open‐FOAM: Measurement techniques for the study of hydraulic jumps. Version 3.0. FH reports, 20_035_1. Flanders Hydraulics: Antwerp. VIII, 20 pp. https://dx.doi.org/10.48607/263 Deel van: FH reports. Flanders Hydraulics: Antwerp. , meer

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Beschikbaar in	Auteurs
Waterbouwkundig Laboratorium: Open Repository 409165 [ OWA ]
Documenttype: Projectrapport

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Trefwoorden

Hydraulics and sediment > Hydrodynamics > Current velocities  and patterns In-situ measurements

Author keywords

PIV; LiDAR; hydraulic jump

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Project	Top | Auteurs
On the accurate resolution of hydraulic jumps in OpenFOAM, meer

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Auteurs		Top
López Castaño, S., meer Verelst, K., meer Van Hoydonck, W., meer

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Abstract

This report forms part of the project “On the accurate simulation of hydraulic jumps using OpenFOAM”, where CFD analyses and calibrations are conducted for the study of classical and sloped hydraulic jumps. Complementary physical experiments are conducted in an effort to collect fine‐grained data that could be used for verifying the numerical experiments. However, the development of PIV and LiDAR techniques is the primary objective of this report and not the presentation of a quantitative analysis for the experiments conducted. Following reports will detail the results obtained both in laboratory and numerical settings. In the current study, the development of several techniques for the processing of images in PIV and the cleaning of LiDAR measurements are presented. Experimental campaigns are conducted in FHR, where the measurements conducted present problems that may be alleviated by the aforementioned techniques. Such techniques come as a result trial‐and‐error and from the revision of existing literature on subjects related to computer vision and statistical data analysis. Here it is intended to document the solutions to the different problems encountered during the experiments and to serve as a precursor for more accurate measurements. Development of software for PIV and LiDAR measurements is still underway, including the techniques discussed here.

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