A summary of experimental studies on heliostat wind loads in a turbulent atmospheric boundary layer

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dc.contributor.authorArjomandi, M.
dc.contributor.authorEmes, M.
dc.contributor.authorJafari, A.
dc.contributor.authorYu, J.
dc.contributor.authorGhanadi, F.
dc.contributor.authorKelso, R.
dc.contributor.authorCazzolato, B.
dc.contributor.authorCoventry, J.
dc.contributor.authorCollins, M.
dc.contributor.conferenceSolar Power and Chemical Energy Systems Annual Conference (SolarPACES) (1 Oct 2019 - 4 Oct 2019 : Daegu, South Korea)
dc.contributor.editorRichter, C.
dc.date.issued2020
dc.description.abstractThe aerodynamic loads on heliostats have been investigated through an extensive range of experimental studies at the University of Adelaide in association with the Australian Solar Thermal Research Institute (ASTRI). Applied modelling techniques using spires and roughness elements were adopted for generation and characterisation of the temporal and spatial turbulence fluctuations, matching those in the lower region of the atmospheric boundary layer (ABL) where full-scale heliostats are positioned. Heliostat wind loads were found to be highly dependent on the critical scaling parameters of the heliostat and the turbulence intensities and scales in the ABL flow. The peak drag and lift coefficients on heliostats followed a similar variation with elevation and azimuth angles to those previously reported in the literature at a similar turbulence intensity. However, the current study revealed a linear increase of the peak drag and lift coefficients on heliostats in operating and stow positions with a parameter defined by the product of the turbulence intensity and the ratio of the turbulence length scales to the heliostat chord length.
dc.description.statementofresponsibilityMaziar Arjomandi, Matthew Emes, Azadeh Jafari, Jeremy Yu, Farzin Ghanadi, Richard Kelso, Benjamin Cazzolato, Joe Coventry, Mike Collins
dc.identifier.citationAIP Conference Proceedings, 2020 / Richter, C. (ed./s), vol.2303, pp.030003-1-030003-10
dc.identifier.doi10.1063/5.0028676
dc.identifier.isbn9780735440371
dc.identifier.issn0094-243X
dc.identifier.issn1551-7616
dc.identifier.orcidArjomandi, M. [0000-0002-7669-2221]
dc.identifier.orcidEmes, M. [0000-0003-4147-4387]
dc.identifier.orcidJafari, A. [0000-0003-1951-6106]
dc.identifier.orcidKelso, R. [0000-0002-5783-9232]
dc.identifier.orcidCazzolato, B. [0000-0003-2308-799X]
dc.identifier.urihttp://hdl.handle.net/2440/130610
dc.language.isoen
dc.publisherAIP Publishing
dc.relation.ispartofseriesAIP Conference Proceedings; 2303
dc.rights© 2020 Author(s). Published by AIP Publishing.
dc.source.urihttps://2019.solarpaces-conference.org/proceedings/
dc.titleA summary of experimental studies on heliostat wind loads in a turbulent atmospheric boundary layer
dc.typeConference paper
pubs.publication-statusPublished

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