
Shadow Calculations

Shadows Original

Azimuth = 54dg Altitude= 24 dg
Sun Penetrates the entire floor area
0% Shade

Azimuth = 15dg Altitude= 53dg
Rooms are in 100% Shade

Azimuth = 303dg Altitude= 32dg
Sun Penetrates 50% of room floor area
50% Shade from hot sun
In order to stop sun penetration, louvers must be closed, therefore no ventilation!
Shadows Refined

9:00am Winter Solstice
Azimuth = 54dg Altitude= 24 dg
Shading prevents sun heat penetration.
100% Shade

12:00pm Winter Solstice
Azimuth = 15dg Altitude= 53dg
Shading prevents sun heat penetration.
100% Shade

4:00pm Winter Solstice
Azimuth = 303dg Altitude= 32dg
Shading prevents sun heat penetration.
100% Shade from hot sun
0% Sun heat penetration due to Reiri screen. Only natural light!
Ventilation Analysis
Ventilation OriginalWinds from North
- Good ventilation through an open design.
- Angled Roof blocks wind high up

- Bad design fins dont direct the wind, they
block it

- bad design where the fins block wind
- See white air-pockets
VENTILATION NOT AS GOOD AS FIRST HOPED!
Ventilation Refined

- Excellent ventilation by eliminating fins

- Excellent ventilation by eliminating the fins

- Perfect Ventilation by removing major roof pitch
Air is able to flow the entire way through the building -
Perfect for Kakadu.
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