CORRELATIONS FOR SOLAR IRRADIANCE AND DAYLIGHT ILLUMINANCE FOR BUILDING ENERGY ANALYSIS.

Gary L. Gillette, Stephen James Treado

Research output: Contribution to journalConference article

15 Citations (Scopus)

Abstract

The concept of luminous efficacy, the ratio of daylight illuminance to solar irradiance, is investigated for use in building energy analyses. Horizontal and vertical luminous efficacies are evaluated as functions of solar altitude, cloud condition, atmospheric extinction coefficient, turbidity, and season. Based on sky measurements made at the National Bureau of Standards, values of luminous efficacy for total, diffuse, and direct beam radiation are presented.

Original languageEnglish (US)
Pages (from-to)180-192
Number of pages13
JournalASHRAE Transactions
Volume91
Issue numberpt 1A
StatePublished - Dec 1 1985

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Turbidity
Radiation

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Mechanical Engineering

Cite this

Gillette, Gary L. ; Treado, Stephen James. / CORRELATIONS FOR SOLAR IRRADIANCE AND DAYLIGHT ILLUMINANCE FOR BUILDING ENERGY ANALYSIS. In: ASHRAE Transactions. 1985 ; Vol. 91, No. pt 1A. pp. 180-192.
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CORRELATIONS FOR SOLAR IRRADIANCE AND DAYLIGHT ILLUMINANCE FOR BUILDING ENERGY ANALYSIS. / Gillette, Gary L.; Treado, Stephen James.

In: ASHRAE Transactions, Vol. 91, No. pt 1A, 01.12.1985, p. 180-192.

Research output: Contribution to journalConference article

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AU - Treado, Stephen James

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