{"refrec":{"BRefID":34832,"RR":"<b>Marin, F.</b> (2000). Experimental investigation of the wave-induced currents above rippled beds, <b><i>in</i></b>: Trentesaux, A. <i>et al.</i> <i>Marine Sandwave Dynamics, International Workshop, March 23-24 2000, University of Lille 1, France. Proceedings.</i> ","BEntID":34832,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Trentesaux, A. <i>et al.</i> <i>Marine Sandwave Dynamics, International Workshop, March 23-24 2000, University of Lille 1, France. Proceedings.</i> ","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Marin, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Marin, F.","Englishabstract":"Wave-induced currents measurements have been carried out using laser Doppler velocimetry in a wave channel above an artificial rippled bed. The tests were carried out in rough turbulent and transitional regimes. A one-dimensional approach of the flow, horizontally-averaged over a ripple length and similar to the classical approach for rough flat beds is used to describe the flow. In the case of rough turbulent regime and close to this regime, the drift at the edge of the boundary layer is found to be lower than the classical value of Longuet-Higgins (1958) for smooth flat beds (<sup>U[infinite]c/U<sub>O</sub>²</sup>=0.75). A simple modelling allowing to estimate the Eulerian drift above rippled and very rough beds at the edge of the boundary layer as a function of a/ks is proposed. In the case of transitional regime, the drift at the edge of the boundary layer decreases in a logarithmic way with increasing Reynolds number. Vertical profiles of drift velocity are compared with the results of Davies and Villaret's (1999) model. The model's coefficients representing the variation amplitude of the eddy viscosity during a wave cycle are found to be overestimated.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Experimental investigation of the wave-induced currents above rippled beds","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2019-10-23","DateCreate":"2003-05-15","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":34832,"PubliDate":2000,"Pagination":null,"XtraPublOfAnaID":null,"ISBN":"2-11-088263-8","Volume":null,"Issue":null,"BRefMon":17022,"BRefMonRR":"<b>Trentesaux, A.; Garlan, T. (Ed.)</b> (2000). 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