Tidal current turbine wake and park layout in transient environments

Arnold, Matthias; Cheng, Po Wen; Daus, Philipp; Biskup, Frank

Tidal current turbine wake and park layout in transient environments

dc.contributor.author	Arnold, Matthias	de
dc.contributor.author	Cheng, Po Wen	de
dc.contributor.author	Daus, Philipp	de
dc.contributor.author	Biskup, Frank	de
dc.date.accessioned	2015-06-17	de
dc.date.accessioned	2016-03-31T08:07:39Z
dc.date.available	2015-06-17	de
dc.date.available	2016-03-31T08:07:39Z
dc.date.issued	2014	de
dc.description.abstract	Due to orbital velocities of the waves, the characteristics of tidal current turbines change over time. Therefore the induction factor and subsequent the wake is time dependent. Within the present research this time dependency is investigated by using Computational Fluid Dynamics (CFD) with Virtual Free Surface (VFS) and Actuator Disc (ACD) models. Based on this setup several different wave and current scenarios are simulated and analyzed with respect to the transient velocities in the turbine wake. Special respect is taken to the velocity undulations radiated by the changing apparent velocities in the rotor plane. These undulations move with the wake of the tidal current turbines and increase wave loads on 2nd row turbines in a park. This paper presents an efficient method for simulation of wave and park interactions and investigates dynamic turbine wakes under a large variety of parameters. Based on these simulations a suggestion for a tidal park design with respect to a balance of fatigue loads and power output is concluded.	en
dc.identifier.other	434108766	de
dc.identifier.uri	http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-100665	de
dc.identifier.uri	http://elib.uni-stuttgart.de/handle/11682/3983
dc.identifier.uri	http://dx.doi.org/10.18419/opus-3966
dc.language.iso	en	de
dc.rights	info:eu-repo/semantics/openAccess	de
dc.subject.classification	Erneuerbare Energien , Gezeitenstrom , Strömung , Nachlaufdelle , Numerische Strömungssimulation	de
dc.subject.ddc	620	de
dc.subject.other	Tidal Current Turbine , Actuator Disc (ACD) , Dynamic Wake , Computational Fluid Dynamics (CFD) , Park Layout	en
dc.title	Tidal current turbine wake and park layout in transient environments	en
dc.type	conferenceObject	de
ubs.fakultaet	Fakultät Luft- und Raumfahrttechnik und Geodäsie	de
ubs.fakultaet	Fakultätsübergreifend / Sonstige Einrichtung	de
ubs.institut	Institut für Flugzeugbau	de
ubs.institut	Sonstige Einrichtung	de
ubs.opusid	10066	de
ubs.publikation.source	Proceedings of the ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2014, June 8-13, 2014, San Francisco, USA	de
ubs.publikation.typ	Konferenzbeitrag	de

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