Daylight prediction in atrium buildings: measurement, theoretical analysis and simulation

Jiangtao Du, Steve Sharples

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper investigates the impact of well geometry on vertical sky components in atria with square and rectangular forms under a CIE standard overcast sky. By comparing with scale model measurements and analytical theory the vertical sky components calculated using Radiance are 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 plan show the relationships between the vertical sky component and the Plan Aspect Ratio. Some guidelines for supporting design are presented.
Original languageEnglish
Title of host publicationProceedings of the Passive and Low Energy Architecture (PLEA) 2009 Conference "Architecture Energy and the Occupant's Perspective"
Place of PublicationQuebec, Canada
PublisherLes Presses de l'Universite Laval
Pages436-441
Publication statusPublished - 2009
Event26th International Conference on Passive and Low Energy Architecture - Quebec, Canada
Duration: 22 Jun 200924 Jun 2009

Conference

Conference26th International Conference on Passive and Low Energy Architecture
CountryCanada
CityQuebec
Period22/06/0924/06/09

Keywords

  • daylight
  • atrium
  • radiance simulation
  • theoretical analysis
  • scale model
  • sky component

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