LIGHTING NOTES

LIGHTING NOTES - 9 /8/ 10 LIGHTINGQUALITYDESIGN Lightandhu...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
9/8/10 LIGHTING QUALITY DESIGN Light and human needs - Provide sufficient light - Illuminance - Provide proper luminance - Contrast glare - Face/object modeling - Color - Comfort - Mood - Visual experience Light and economics and environment - Energy costs - Efficacy (lumens/watt) - Control (turnoff/dim) - Daylighting - Initial cost - Maintenance cost - Sky glow Light and architecture - Integrates with architecture - Highlight points of interest - Illuminate ceilings and walls to user satisfaction - Creates a visual hierarchy - Satisfies users
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
- Daylighting (must integrate with architecture)  ILLUMINANCE FOR TASK PERFORMANCE Glare-direct glare 1. Luminance of source 2. Luminance of background 3. Position of source within the visual field 4. Size of the source( the larger the source, the more cause of glare) -visual comfort probability VCP -unified glare rating VGR 9/13 REFLECTED GLARE -involves both the source and the task
Background image of page 2
- specular surfaces LIGHT SOURCES - Efficacy (lumens/watt) - Color - Initial cost - Bulb life - Time restrike- strike - Size 9/15 DAYLIGHTING IN BUILDINGS Positives  - Energy costs- maybe if well designed - Low maintainance - Comfort - More natural - Variability - Connection with outside - Standard for color Negatives - No light at night - Glass (thermal properties) - Glare (direct and reflected) - Variability - Uncomfortable Daylight Availability 1. Solar Position
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
a. Time of day
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 10/20/2010.

Page1 / 9

LIGHTING NOTES - 9 /8/ 10 LIGHTINGQUALITYDESIGN Lightandhu...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online