Experiemental investigation of the interaction between slope flows and urban heat islands via image analysis techniques

dc.contributor.authorCenedese, A.
dc.contributor.authorGiorgilli, M.
dc.contributor.authorMoroni, M.
dc.date.accessioned2015-05-05T12:56:37Z
dc.date.available2015-05-05T12:56:37Z
dc.date.issued2010
dc.description.abstractPaper presented at the 7th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Turkey, 19-21 July, 2010.en_ZA
dc.description.abstractThis paper is focused on the interaction of slope flows with urban heat islands, which are studied here by means of laboratory simulations. During the day, sunlight heats slope surfaces more than the adjacent air, resulting in a wind flow in the upslope direction: 'anabatic wind'. When the slope cools down rapidly during the night, the direction of the wind flow is reversed: 'katabatic wind'. These winds influence the strength and form of the UHIs, and its mutual interaction is studied in this paper. The combined use of thermocouples and image analysis techniques provides the simultaneous measurement of temperature and velocity components. In particular the velocity field for different time instants from the beginning of the experiments, the thickness of fluid layers interested by slope flows, the height of the plume caused by the urban heat island and its position in the anabatic and case have been determined.
dc.description.librarianej2015en_ZA
dc.format.extent8 pagesen_ZA
dc.format.mediumPDFen_ZA
dc.identifier.citationCenedese, A, Giorgilli, M & Moroni, M 2010, 'Experiemental investigation of the interaction between slope flows and urban heat islands via image analysis techniques', Paper presented to the 7th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Turkey, 19-21 July 2010.en_ZA
dc.identifier.urihttp://hdl.handle.net/2263/44992
dc.language.isoenen_ZA
dc.publisherInternational Conference on Heat Transfer, Fluid Mechanics and Thermodynamicsen_ZA
dc.relation.ispartofHEFAT 2010en_US
dc.rightsUniversity of Pretoriaen_ZA
dc.subjectSlope flows and urban heat islandsen_ZA
dc.subjectKatabatic winden_ZA
dc.titleExperiemental investigation of the interaction between slope flows and urban heat islands via image analysis techniquesen_ZA
dc.typePresentationen_ZA

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