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The assessment of vertical daylight factors across the walls of atrium buildings, Part 2: Rectangular atria

Author

  • Jiangtao Du
  • S. Sharples

Summary, in English

This study investigated the impact of well geometry and surface reflectance on vertical daylight factors on the walls of rectangular atria under a CIE standard overcast sky. The vertical daylight factors predicted using the modelling software Radiance were validated by artificial sky scale model measurements. More simulated data of vertical daylight factors for a very wide range of rectangular atrium geometries and surface reflectances are presented. From the results the variations of the vertical daylight factor on the walls of rectangular atria were assessed and some empirical functions were derived. Initial guidelines for supporting design are presented.

Publishing year

2012

Language

English

Pages

124-138

Publication/Series

Lighting Research and Technology

Volume

44

Issue

2

Document type

Journal article

Publisher

SAGE Publications

Topic

  • Building Technologies

Keywords

  • Atrium daylighting
  • vertical daylight factor
  • rectangular plan
  • Radiance
  • simulation

Status

Published

ISBN/ISSN/Other

  • ISSN: 1477-1535