Tech Notes 6 - Reading summary for Carmen Trudell PDF

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Reading summary for Carmen Trudell...

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Norbert Lechner,Heating, Cooling, Lighting, C  hapter 13 Arch 241-05, Fall 2019

1. Some benefits of Daylighting a. Putting in the extra money to properly daylight a building will be offset by the savings obtained by the reduced energy use. i. LEED b. Improvement of productivity in people using naturally lit spaces. When daylighting is ignored the windows provide visual relief. i. WELL Building Standard 2. Sky Conditions a. Overcast skies are 3x greater at the zenith than the horizon and are 10 to 50 times greater than the illumination needed indoors. This is an issue of quantity rather than quality. i. Phillips Exeter Academy Library b. Clear skies are 100 to 200x greater than the good indoor illumination requirements, This is a problem of quality because of how often direct sunlight changes direction. i. Illumination meter charts 3. Daylighting Goals a. Collecting enough light in summer so electric lights don’t need to be used, and collecting enough sunlight in winter to meet the heating demands. While also minimizing glare, veiling reflections, and supplying ambient illumination within a space.

Lecture 9: Science of Light, 10/17/19

Lecture 9: Science of Light, 10/17/19

Lecture 11: Daylighting Controls, 10/29/19

ACT 11B: Measuring Studio

i.

Can be achieved through light shelves, louvers, fins, etc.

4. Something a. Daylighting allows the architect to add additional visual elements to enrich the design. i. San Fransisco Federal Building

Lecture 11: Daylighting Controls, 10/29/19

Lecture 11: Daylighting Controls, 10/29/19...