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Courtyard microclimate: a hot arid region case study.

Meir I A, 2000
cooling | courtyard | hot climate
Bibliographic info: Architecture, City, Environment: Proceedings of PLEA 2000, James & James (Science Publishers) Ltd, London, UK, 2000, ISBN 1 902916 16 6, proceedings of the Passive and Low Energy Architecture conference, held Cambridge, UK, July 2000, pp 218-223.
Languages: English

This paper examines the conditions of a relatively large courtyard (45 by 10 meters), enclosed by a one-story building, located in the Negev Lowlands. The region is characterised by hot, dry summer days, and wide temperature and relative humidity fluctuations. The courtyard was monitored under extreme conditions typical of the hot spells, common during transition periods, during which even night minima are sometimes well above the comfort zone. Data were collected at eleven points within the open space and its surrounding volume, each one of the points measured at three different heights. The resulting profiles show temperature variations of up to 2.5-4.5 C between different points at the same height, but minor stratification differences. Additional differences identified include those dependent on distance from the enclosing building volume; delayed effect of surfaces exposed to the sun; and differences among ambient, courtyard and building temperatures and fluctuation.

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