arch324 environmental systems 1 a.k.a. hot-humid salvador,...
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ARCH324Environmental Systems 1
A.K.A.Hot-Humid
Salvador, Brazil
Angelo G.Kenneth A.
Andre H.
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Hot-HumidSalvador, Brazil
Global Solar Radiation
Salvador, Brazil recieves a massive amount of sun, it has a high level of humidity all year around, and it doesn’t get much wind.
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Wind Resources
Salvador, Brazil has an average of 4-5mph wind velocity. June is the only month that has the widest range of wind velocity from 3-12mph. From this information we can infer that cross ventilation will be a chal-lenege in this micro climate. Most wind comes from the south or south east, this will be where the ventila-tion planing will direct to.
Monthly and Annual Total Rainfall
Compared to New York, Salvador has 100% more precipitaion. From April to July, Salvador, Brazil receives the most amount of rain. It can take up to 82.634 inches of rain in a year. Our design will have to incorporate protection of the rain, or use of the rain in the home.
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Temperature
On Average, the lowest temperature drop happens in February where it can go down to 65 degrees. The high-est temperature happens in July or December where it can reach up to 91 degrees. The mean teamperature is around 75-78 de-grees. Meaning it’s a fairly confortable place to live in.
The ground temperature average is fair-ly consistant from 75-83 de-grees, without much fluxua-tion between depths.
Relative Humidity
The relative humid-ity is 60-80 percent 57 percent of the year, while 42 per-cent is over 80 per-cent humid. Mean-ing the confort level drops because it’s so humid all year around.
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Passive Strategy Analysis
Design Strategies- Cross Ventilation
-Linear Plan for clearer Cross Ventilation- Exiting Humidity is a crutial goal
- Shading of windows-Light Colors to reflect the sun
- Elevating the ground- Low mass to keep it cool
- No thermal mass - Trees in use for shadiing- Keeping the water out
- Or using the water- Vegitation to help guide the air in
- Pool in use to help the wind in ventilation of the house- Allowiing hot air to rise and exit the house while allowing
the cold air to enter every room
Design Strategies
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DN DN
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22 LIVING AREABEDROOM
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BATHROOM KITCHEN
POOL
1/4" = 1'-0"1 Level 1 1/4" = 1'-0"2 Site
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1/4" = 1'-0"1 Section 1
1/4" = 1'-0"2 Section 3
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1/4" = 1'-0"1 East 1/4" = 1'-0"2 North
1/4" = 1'-0"3 South 1/4" = 1'-0"4 West
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1 3D View 1 2 3D View 3
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3" = 1'-0"1 Floor Section 3" = 1'-0"2 Roof Sections
3" = 1'-0"3 Wall Section
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Andre H.Kenneth A.Angelo G.
Calculations Wall Outside Air Film Wood siding Fiber Board 2x6 Studs Air Gap Gyp Board Inside Air Film
Thickness ½” ½”
½”
R.17.801.326.881.0.45.68
With Studs – 10.3Without Studs – 4.42
Roof Outside Air Film Slate Ply Wood 2x10 Gyp Inside Air Film 2x10 Air Film
R.17.44.639 .8.22.681.00
With Studs – 11.94Without Studs – 3.94Floor Outside Air Film Hardwood Plywood2x10Inside Air Film
Thickness
¾” ¾”
R.17.681.029.8.68
With Studs – 12.35Without Studs – 3.55
Wall Studs Wall Air Roof Studs Roof Air Window Door Floor Air Floor Studs
75ft.sq. 370.5ft.sq. 55ft.sq. 385ft.sq. 28.5ft.sq. 126ft.sq. 196ft.sq. 28ft.sq.
R= 10.3 R= 4.42 R= 11.94 R= 3.14 R= 3.13 R= R= 3.55 R= 12.35
U=.097 U=.226 U=.083 U=.318 U=.319 U=.281 U=.281 U=.080
Total BTU= 7282.671 BTU/HR
Thickness ½”
R3.13
DoorPella – U Factor - .37
WindowsDoubleGlass Space Low- E
BTU= 160.05BTU= 18442.126BTU=100.443BTU= 2693.46BTU= 200.013BTU= 1025.64BTU= 1211.672BTU= 49.28
Thickness
2 1/4”1/2”
9 3/4”1/4”