Natural convection heat transfer in V-trough solar concentrators

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aut.relation.endpage228
aut.relation.issue0
aut.relation.startpage224
aut.relation.volume95
aut.researcherAnderson, Timothy
dc.contributor.authorAnderson, TN
dc.date.accessioned2013-07-22T01:19:08Z
dc.date.available2013-07-22T01:19:08Z
dc.date.copyright2013-09
dc.date.issued2013-09
dc.description.abstractAbstract The use of V-trough concentrators offers a simple approach to increasing the radiation incident on a solar receiver; this is particularly useful for increasing the temperature in thermal systems. However in order to accurately predict the performance of thermal systems under concentrated radiation, there is a need to understand the heat loss from them. This study experimentally shows that, for a laterally and longitudinally inclined enclosed V-trough concentrator, the natural convection heat loss can be predicted using an equation of the form Nu = aRab for Rayleigh numbers between 2 × 103 and 1 × 108. It is suggested that the relationship is a good representation of heat transfer in enclosed V-trough concentrators under most practical orientations, and thus lends itself for implementation into design models for V-trough concentrators.
dc.identifier.citationSolar Energy, vol.95(0), pp.224 - 228
dc.identifier.doi10.1016/j.solener.2013.06.022
dc.identifier.issn0038-092X
dc.identifier.urihttps://hdl.handle.net/10292/5574
dc.publisherSpringer
dc.relation.urihttp://dx.doi.org/10.1016/j.solener.2013.06.022
dc.rightsThe final publication is available at www.springerlink.com”. (Please also see Publisher’s Version and Citation)
dc.rights.accessrightsOpenAccess
dc.subjectHeat transfer
dc.subjectSolar concentrator
dc.subjectV-trough
dc.titleNatural convection heat transfer in V-trough solar concentrators
dc.typeJournal Article
pubs.elements-id150214
pubs.organisational-data/AUT
pubs.organisational-data/AUT/Design & Creative Technologies
pubs.organisational-data/AUT/Design & Creative Technologies/School of Engineering
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