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Outdoor Illuminance Levels in the Tropics and their Representation in Virtual Sky Domes

Darula, Stanislav / Kittler, Richard / Wittkopf, Stephen K.

This paper presents two ways to predict outdoor illuminance levels in the tropics. The first one is based on calculations mainly following the recent CIE/ISO Standard General Sky. The second one applies Virtual Sky Domes (VSD) and Virtual Sky and Sun Domes (VSSD) generated for use with standard light simulation software. The accuracy of the VSD and VSSD methods in predicting illuminance levels with and without sunlight is evaluated and shown to be very close to the calculations. Thus, VSD and VSSD can eventually become useful tools to be added into standard lighting simulation software.

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Outdoor Illuminance Levels in the Tropics and their Representation in Virtual Sky Domes

Darula, Stanislav / Kittler, Richard / Wittkopf, Stephen K.

This paper presents two ways to predict outdoor illuminance levels in the tropics. The first one is based on calculations mainly following the recent CIE/ISO Standard General Sky. The second one applies Virtual Sky Domes (VSD) and Virtual Sky and Sun Domes (VSSD) generated for use with standard light simulation software. The accuracy of the VSD and VSSD methods in predicting illuminance levels with and without sunlight is evaluated and shown to be very close to the calculations. Thus, VSD and VSSD can eventually become useful tools to be added into standard lighting simulation software.

Outdoor Illuminance Levels in the Tropics and their Representation in Virtual Sky Domes

Darula, Stanislav / Kittler, Richard / Wittkopf, Stephen K.

This paper presents two ways to predict outdoor illuminance levels in the tropics. The first one is based on calculations mainly following the recent CIE/ISO Standard General Sky. The second one applies Virtual Sky Domes (VSD) and Virtual Sky and Sun Domes (VSSD) generated for use with standard light simulation software. The accuracy of the VSD and VSSD methods in predicting illuminance levels with and without sunlight is evaluated and shown to be very close to the calculations. Thus, VSD and VSSD can eventually become useful tools to be added into standard lighting simulation software.

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Title:

Outdoor Illuminance Levels in the Tropics and their Representation in Virtual Sky Domes

Contributors:

Darula, Stanislav (author) / Kittler, Richard (author) / Wittkopf, Stephen K. (author)

Published in:

Architectural Science Review ; 49 ; 301-313

Publication date:

2006-09-01

Size:

13 pages

ISSN:

0003-8628 , 1758-9622

DOI:

https://doi.org/10.3763/asre.2006.4940

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

Daylight in tropics , Sky types , Outdoor illuminance , Virtual Sky Dome , Sun Dome , Standard General Sky , Simulation

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