VERTICAL ILLUMINANCE MEASUREMENT FOR CLEAR SKIES IN TEHRAN

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MAHDAVINEJAD MOHAMMADJAVAD; MATOOR SOHA; FAYAZ RIMA

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Journal Paper

Paper Information

Journal: ARMANSHAHR Year:2012 | Volume:4 | Issue:8 Page(s): 11-19

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Information Journal Paper

Title

VERTICAL ILLUMINANCE MEASUREMENT FOR CLEAR SKIES IN TEHRAN

Author(s)

MAHDAVINEJAD MOHAMMADJAVAD | MATOOR SOHA | FAYAZ RIMA | Issue Writer Certificate

Keywords

DAYLIGHT AVAILABILITY

VERTICAL ILLUMINANCE

TEHRAN

Abstract

To effectively design daylight in buildings, DAYLIGHT AVAILABILITY data are necessary. Although there is a great potential for daylight energy in Iran, its use has been hampered by the absence of measured data. In this paper the illuminance data on the vertical south facing surfaces of TEHRAN were estimated using the IESNA model. For this propose an illuminance measuring set was used in order to measure the VERTICAL ILLUMINANCE for standard times over 17 days at one minute intervals from 9 a.m. to 4 p.m. Then, the measured data were compared with the IESNA model calculated data. A regression model between measured and calculated data was developed, which showed an acceptable linear correlation (r2=0.9535). Also mean hourly and monthly VERTICAL ILLUMINANCE was obtained from the new equation between measured and calculated data for a whole working year. To estimate DAYLIGHT AVAILABILITY, Iso- Klx lines for working hours and frequency curves for VERTICAL ILLUMINANCE on south facing surfaces were produced.

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APA: Copy

MAHDAVINEJAD, MOHAMMADJAVAD, MATOOR, SOHA, & FAYAZ, RIMA. (2012). VERTICAL ILLUMINANCE MEASUREMENT FOR CLEAR SKIES IN TEHRAN. ARMANSHAHR, 4(8), 11-19. SID. https://sid.ir/paper/596650/en

Vancouver: Copy

MAHDAVINEJAD MOHAMMADJAVAD, MATOOR SOHA, FAYAZ RIMA. VERTICAL ILLUMINANCE MEASUREMENT FOR CLEAR SKIES IN TEHRAN. ARMANSHAHR[Internet]. 2012;4(8):11-19. Available from: https://sid.ir/paper/596650/en

IEEE: Copy

MOHAMMADJAVAD MAHDAVINEJAD, SOHA MATOOR, and RIMA FAYAZ, “VERTICAL ILLUMINANCE MEASUREMENT FOR CLEAR SKIES IN TEHRAN,” ARMANSHAHR, vol. 4, no. 8, pp. 11–19, 2012, [Online]. Available: https://sid.ir/paper/596650/en

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