lec4 - Design of openings What do we want to do? maximize...

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Unformatted text preview: Design of openings What do we want to do? maximize daylighting, but avoid glare maximize solar gains in winter, protection from solar gains in the summer and fall How do we do it? solar protections (fixed and mobile) types of glazing Solar protections 3 different periods 120 o 100 o 80 o 60 o 40 o 20 o o 20 o 40 o 60 o 80 o 100 o 120 o South West East Height 10 o 20 o 30 o 40 o 50 o 60 o 70 o 6 H 7 H 8 H 9 H 1 H 1 1 H 1 3 H 1 4 H 1 5 H 1 6 H 1 7 H 1 8 H 21 Dec 21 Jan 21 Nov 21 Feb 21 Oct 21 Mar 21 Sept 21 April 21 Aug 21 May 21 July 21 June 12 H Figure by MIT OCW. Solar protections Fixed protections outside no control management, low maintenance no adaptation to seasons or time of day integral element of the faades design Fixed protections Horizontal elements Solar protections 30 o maximise gains in winter 70 o total protection in summer 30 o maximise gains in winter 70 o total protection in summer 10 10 20 30 40 50 60 70 80 90 20 30 40 50 60 70 80 90 40 50 80 70 60 Figure by MIT OCW. Fixed protections Vertical elements Solar protections 10 10 20 30 40 50 60 70 80 90 20 30 40 50 60 70 80 90 40 50 80 70 60 d 1 d 1 d 2 d 2 d 3 d 3 d 4 d 4 30 20 10 Figure by MIT OCW. Fixed protections Combined elements Solar protections Figure by MIT OCW. S E F 3 B A B A 3 10 20 30 40 50 60 70 80 3 4 5 6 7 80 E 100 1 1 1 2 1 3 1 4 1 5 1 6 1 9 2 2 1 2 2 2 3 2 4 2 5 2 6 W 2 8 2 9 3 3 1 3 2 3 3 L A B C D 14 16 18 3 F G H I J 6 8 10 1 7 3 4 3 5 2 1- d + d Solar protections Fixed protections type vs. shading effect Solar protections...
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This note was uploaded on 11/10/2011 for the course ARCH 4.500 taught by Professor Lawrencesass during the Fall '08 term at MIT.

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lec4 - Design of openings What do we want to do? maximize...

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