lect3les

lect3les - Gay Head Lighthouse Visitors Center...

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Gay Head Lighthouse Visitor’s Center – Environmental Opportunities Les Norford January 16, 2007
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Beautiful site but what about utilities? • Avoid the approach of the affluent – Somebody has to pay, for energy and environmental degradation • Water may be scarce (as it is on Cape Cod) • Please do not compartmentalize BT and Design
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Things to think about 1. Warmth in spring and autumn 2. Comfortable indoor environment in summer 3. Human waste disposal without sewer or septic system 4. Water conservation a. greywater recycling for irrigation b. rainwater capture 5. Little or no need for off-site fuels a. Conservation b. On-site electricity and hot-water production using renewable source (maybe) 6. Responsible choice of materials
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1. Warmth in cool weather • Key factors – Insulation – Windows for solar energy – Heat-absorbing mass to regulate indoor temperature
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Passive solar heating • Direct gain • Sunspace • Trombe wall
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A Simple Direct Gain System Figure by MIT OCW. S N Figure by MIT OCW.
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Clerestory – another form of direct-gain system Clerestory windows allow solar energy into every room Thermal mass South Figure by MIT OCW.
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Sunspace with mass wall added DAY NIGHT Closed Vent Closed Vent Thermal mass wall Figure by MIT OCW.
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Trombe Wall Diagram Indirect gain Figure by MIT OCW.
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Trombe Wall with Vents Glass Air space Thermal mass Warm air Radiation Sunlight Insulation Cooler air Figure by MIT OCW.
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Passive Solar Heating
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Taking advantage of free heating for “elfhouse” -10 0 10 20 30 40 50 60 00 :1 3. 0 45 30 15 Time (hours)
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This note was uploaded on 11/10/2011 for the course ARCH 4.101 taught by Professor Williamhubbardassn during the Spring '03 term at MIT.

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lect3les - Gay Head Lighthouse Visitors Center...

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