Characterizing Coherent Wind Structures using Large-Scale Particle Tracking Velocimetry: A Proof-of-Principle Study
dc.contributor.author | Rosi, G. A. | |
dc.contributor.author | Bastide, B. la | |
dc.contributor.author | Gäbler, Julia | |
dc.contributor.author | Kinzel, M. | |
dc.contributor.author | Rival, D. E. | |
dc.date.accessioned | 2022-03-09T13:12:29Z | |
dc.date.available | 2022-03-09T13:12:29Z | |
dc.date.issued | 2014 | |
dc.date.updated | 2022-03-03T08:08:29Z | |
dc.description.abstract | The following study proposes a two-dimensional large-scale particle tracking velocimetry (LS-PTV) system to characterize coherent wind structures. Seven minutes of LS-PTV data is collected via an apparatus that seeds fog-filled soap bubbles into the wind at a height of 6m from the ground. The LS-PTV data is compared to 20 minutes of data collected concurrently from a wind mast at the same site. The LS-PTV system recorded a mean streamwise velocity of 1.35m/s with a standard deviation of 0.23m/s at a mean height of 2.50m with a standard deviation of 0.7m, which agrees well with the velocity profile measured by the wind mast. Furthermore, the Reynolds stresses measured by the LS-PTV system are found to compare to those measured by the wind mast and by Klebanoff [1] for a canonical turbulent boundary layer. The current study assumes that the centre-of-curvature trajectories of the particle pathlines are representative of the trajectories followed by the spanwise vortices. As a proof-of-principle study, this work has been successful in accurately describing the vortex distribution very near to the ground. However, the trajectories followed by the centres-of- curvat.ure belonging to pathlines concurrently passing through the field-of-view were sporadic and uncorrelated. | en |
dc.identifier.eissn | 1742-6596 | |
dc.identifier.issn | 1742-6588 | |
dc.identifier.uri | https://depositonce.tu-berlin.de/handle/11303/16524 | |
dc.identifier.uri | http://dx.doi.org/10.14279/depositonce-15301 | |
dc.language.iso | en | en |
dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | en |
dc.subject.ddc | 530 Physik | de |
dc.subject.other | coherent wind structures | en |
dc.subject.other | large-scale particle tracking velocimetry | en |
dc.subject.other | LS-PTV | en |
dc.subject.other | wind velocity | en |
dc.title | Characterizing Coherent Wind Structures using Large-Scale Particle Tracking Velocimetry: A Proof-of-Principle Study | en |
dc.type | Article | en |
dc.type.version | publishedVersion | en |
dcterms.bibliographicCitation.articlenumber | 012085 | en |
dcterms.bibliographicCitation.doi | 10.1088/1742-6596/555/1/012085 | en |
dcterms.bibliographicCitation.issue | 1 | en |
dcterms.bibliographicCitation.journaltitle | Journal of Physics: Conference Series | en |
dcterms.bibliographicCitation.originalpublishername | IOP | en |
dcterms.bibliographicCitation.originalpublisherplace | Bristol | en |
dcterms.bibliographicCitation.volume | 555 | en |
tub.accessrights.dnb | free | en |
tub.affiliation | Fak. 5 Verkehrs- und Maschinensysteme::Inst. Strömungsmechanik und Technische Akustik (ISTA)::FG Experimentelle Strömungsmechanik | de |
tub.affiliation.faculty | Fak. 5 Verkehrs- und Maschinensysteme | de |
tub.affiliation.group | FG Experimentelle Strömungsmechanik | de |
tub.affiliation.institute | Inst. Strömungsmechanik und Technische Akustik (ISTA) | de |
tub.publisher.universityorinstitution | Technische Universität Berlin | en |