Erosion caused by propeller jets in a low energy harbour basin
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Field data of a harbour basin are compared with analytical formulations for predicting maximum scouring depth due to propeller jets. Spatial data analysis of seven-year biannual bathymetries quantifies the evolution of the scouring hole along with the sedimentation process within a harbour basin. The maximum scouring depth is found to be of the order of the propeller diameter with a maximum scouring rate within the first six months of docking manoeuvring. Three of the analysed expressions yielded realistic results while observed discrepancies between the theoretical predictions and field data are related to scaling factors. The outcomes of this analysis can be extrapolated to other harbours to improve their management. The obtained results highlight the importance of field data in developing combined physical and numerical models.
This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of Hydraulic Research on January, 2017, available online at: http://www.tandfonline.com/10.1080/00221686.2016.1252801
CitacióMujal, A., Gironella, X., Sanchez-Arcilla, A., Puig-Polo, C., Garcia, M. Erosion caused by propeller jets in a low energy harbour basin. "Journal of hydraulic research", Gener 2017, vol. 57, núm. 1, p. 1-8.
Versió de l'editorhttp://www.tandfonline.com/doi/full/10.1080/00221686.2016.1252801