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dc.contributor.authorSharmin, Taniaen
dc.contributor.authorSteemers, K.en
dc.date.accessioned2018-09-20T11:06:29Z
dc.date.available2018-09-20T11:06:29Z
dc.date.issued2017-07-03
dc.identifier.citationSharmin, T. and Steemers, K. (2017) Understanding ENVI-met (V4) model behaviour in relation to environmental variables. In: Proceedings of PLEA 2017 Edinburgh - 33th International Conference on Passive and Low Energy Architecture. Design to Thrive. Edinburgh, 3-5 July, 2017.en
dc.identifier.urihttp://203.174.48.78/$sitepreview/plea-arch.org/index.php/plea-proceedings/
dc.identifier.urihttp://hdl.handle.net/2086/16609
dc.descriptionThe file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the URI link. Open accessen
dc.description.abstractA parametric analysis is carried out to understand how ENVI-met (V4) responds to the following aspects which form the basis of understanding the model’s behaviour: i) canyon aspect ratio, ii) cloud cover, iii) orientation, iv) wind speed and v) building height variability. The reason for using parametric modelling is that modelling techniques and calculations are made easier as they are applied to simple models and, thus, the process is verified prior to examining the real, complex situations. This is helpful for understanding the links between simple urban form and the resultant environmental characteristics and to determine the model boundary conditions for comparing the real situations. The results of the simulations include: the maximum and average (median) values of air temperature decreases in deeper canyons, but the rate of reduction reduces for canyons with an H/W ratio over 2. The average (median) mean radiant temperature also reduces in deeper canyons, but the trend is not linear. Air temperature is not affected by canyon orientation, whereas Tmrt is significantly affected by canyon orientation as the EW canyon remains exposed to high Tmrt for 8.5 hours while NS canyon is exposed for only 2.5 hours. Windy conditions result in a slightly higher air temperature and a lower Tmrt level compared to still air conditions. Increase in cloud cover has a decreasing effect on air temperature and Tmrt. And finally, the impact of diversity in canyon geometry has little impact on air temperature and Tmrt conditions.en
dc.language.isoenen
dc.publisherPLEA (Passive and Low Energy Architecture)en
dc.subjectENVI-met (V4)en
dc.subjectenvironmental variablesen
dc.subjectparametric analysisen
dc.subjecturban geometryen
dc.titleUnderstanding ENVI-met (V4) model behaviour in relation to environmental variablesen
dc.typeConferenceen
dc.peerreviewedYesen
dc.funderThis paper is drawn from a PhD research funded by the Schlumberger Foundation at the University of Cambridge, Department of Architecture.en
dc.projectidSchlumberger Foundationen
dc.cclicenceCC BYen
dc.date.acceptance2017-06-02en
dc.researchinstituteInstitute of Architectureen


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