Daylight in atrium buildings: Geometric shape and vertical sky components

J. Du, S. Sharples

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study investigated the impact of well geometry on vertical sky components in
atria with square and rectangular forms under a CIE standard overcast sky. By
comparing scale model measurements and analytical theory the vertical sky
components, calculated using Radiance, were validated. More simulated data of
vertical sky components for a very wide range of atrium geometries are given.
From the results the attenuation of the vertical sky component on the wall of a
square atrium is explained and some empirical functions are derived. In addition,
the results from atrium models with rectangular floor plans show the relationships
between the vertical sky component and the plan aspect ratio. Some
guidelines for design are presented.
Original languageEnglish
Pages (from-to)385-397
Number of pages14
JournalLighting Research and Technology
Volume42
Issue number4
Early online date19 Jul 2010
DOIs
Publication statusPublished - Dec 2010

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