{"refrec":{"BRefID":213972,"RR":"<b>Beels, C.; Troch, P.; De Visch, K.; Kofoed, J.P.; De Backer, G.</b> (2010). Application of the time-dependent mild-slope equations for the simulation of wake effects in the lee of a farm of Wave Dragon wave energy converters. <i>Renew. Energy 35(8)</i>: 1644-1661. <a href=\"http://dx.doi.org/10.1016/j.renene.2009.12.001\" target=\"_blank\">dx.doi.org/10.1016/j.renene.2009.12.001</a>","BEntID":205816,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Renew. Energy 35(8)</i>: 1644-1661. <a href=\"https://dx.doi.org/10.1016/j.renene.2009.12.001\" target=\"_blank\">https://dx.doi.org/10.1016/j.renene.2009.12.001</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Beels, C.; Troch, P.; De Visch, K.; Kofoed, J.P.; De Backer, G.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Beels, C. <i>et al.</i>","Englishabstract":"Time-dependent mild-slope equations have been extensively used to compute wave transformations near coastal and offshore structures for more than 20 years. Recently the wave absorption characteristics of a Wave Energy Converter (abbreviated as WEC) of the overtopping type have been implemented in a time-dependent mild-slope equation model by using numerical sponge layers. In this paper the developed WEC implementation is applied to a single Wave Dragon WEC and multiple Wave Dragon WECs. The Wave Dragon WEC is a floating offshore converter of the overtopping type. Two wave reflectors focus the incident wave power towards a ramp. The focussed waves run up the ramp and overtop in a water reservoir above mean sea level. The obtained potential energy is converted into electricity when the stored water drains back to the sea through hydro turbines. The wave reflectors and the main body (ramp and reservoir) are simulated as porous structures, exhibiting the same reflection, respectively absorption characteristics as obtained for the prototype Wave Dragon WEC. The wake effects behind a single Wave Dragon WEC are studied in detail for uni- and multidirectional waves. The shadow zone indicating the wake effect is decreasing with increasing directional spreading. The wake in the lee of a farm of five Wave Dragon WECs, installed in a staggered grid (3 WECs in the first row and 2 WECs in the second row), is calculated for three in-between distances of respectively <i>D</i>, 2<i>D</i> and 3<i>D</i>, with <i>D</i> the distance between the tips of the wave reflectors of a single WEC. As a result, a farm of five Wave Dragon WECs installed in a staggered grid with an in-between distance of 2<i>D</i> is preferred, when taking cost and spatial considerations into account.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Application of the time-dependent mild-slope equations for the simulation of wake effects in the lee of a farm of Wave Dragon wave energy converters","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Wake; Farm; Porous structure; Mild-slope equations; Wave energy; Wave Dragon","OtherDescriptors":null,"Notes":null,"AnaPub":2010,"MonPub":null,"DateUpdate":"2016-06-12","DateCreate":"2012-03-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000277232900004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.renene.2009.12.001"},"refs":null,"anarec":{"AnaID":213972,"PubliDate":2010,"Pagination":"1644-1661","XtraPublOfAnaID":null,"ISBN":null,"Volume":"35","Issue":"8","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":213933,"SerRR":"Renewable Energy. 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