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The effect of angle of attack on the generated wave propagation

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Javanmardi, M, Binns, J ORCID: 0000-0001-6892-0063 and Rafieshahraki, MICIJ 2017 , 'The effect of angle of attack on the generated wave propagation' , Scientific Journals of the Maritime University of Szczecin, vol. 50 , pp. 36-41 , doi: 10.17402/214.

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Abstract

The presented work is an experimental investigation into the waves generated by a pressure source moving in a straight channel. Wave fields generated by the moving pressure source are described and the effects of angle of attack on the generated wave height, surfable wave quality, drag and vertical forces are presented. The main objective of this study was to investigate the relationship between the angle of attack and the generated wave height across the towing tank width and the surfable wave quality. The investigations were conducted at the Australian Maritime College towing tank on a wavedozer at four different attack angles at various speeds. Three wave probes were installed across the channel to record the generated wave heights. Based on the experimental results, it was concluded that smaller angles of attack produced higher quality surfable waves compared to larger angles of attack, while the height of the generated wave has a direct relationship with the angle of attack. By comparing the forces for different models, it was concluded that the pressure source with the lowest angle of attack has the minimum drag but maximum displacement.

Item Type: Article
Authors/Creators:Javanmardi, M and Binns, J and Rafieshahraki, MICIJ
Keywords: wave propagation, surfable wave, wave quality, angle of attack
Journal or Publication Title: Scientific Journals of the Maritime University of Szczecin
Publisher: Wydawnictwo Naukowe Akademii Morskiej w Szczecinie
ISSN: 1733-8670
DOI / ID Number: 10.17402/214
Copyright Information:

Copyright 2017 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

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