1. PASSIVE COOLING TECHNIQUE- “COURTYARD
EFFECT”
(SUSTAINABLE ARCHITECTURE)
PREPARED BY : DRISHTY S. RANJIT
CRN : 073/B.ARCH/04
DEPARTMENT OF ARCHITECTURE
ACME ENGINEERING COLLEGE
SITAPAILA, KATHMANDU
2. PASSIVE COOLING SYSTEM ???
LEAST EXPENSIVE
MEANS OF COOLING A
HOME WHICH
MAXIMIZES
EFFICIENCY OF A
BUILDING ENVELOPE
WITHOUT ANY USE OF
MECHANICAL DEVICES
METHODS
•NATURAL
VENTILATION
•SHADINGS
•WIND TOWERS
•COURTYARDS
•EARTH AIR
TUNNELS
•ROOF SPRAYS
3. COURTYARD EFFECT
• COURTYARD : A ROOM OPEN TO
THE SKY SURROUNDED BY
BUILDINGS
• APPLICABLE IN ALL CLIMATIC
REGIONS WITH ALL BUILDING
TYPOLOGIES
9. BASIC REQUIREMT FOR DETERMINING TYPE OF COURTYARD
• COURTYARD ELEVATION : MAY VARY
ACCORDING TO VARIOUS CLIMATIC ZONES
SUMMER TIME : DEEPER FORMS
WINTER TIME : NARROW
FORMS
• BEST COURTYARD RATIO : PERMITS
LESS RADIANT HEAT GAIN
DURING SUMMER AND HIGH
RADIANT HEAT GAIN DURING
WINTER
• BEST COURTYARD DIMENSION :
6000mm x 9000mm x 6000mm
15. ADVANTAGES
• NATURAL VENTILATION THAT RESULTS IN EFFECTIVE
PASSIVE COOLING TECHNIQUES
• REDUCES DEPENDENCY ON ARTIFICIAL MEANS OF COOLING
LEADING TO ENERGY CONSERVATION
16. CONCLUSION
HENCE PASSIVE COOLING TECHNIQUES LIKE
COURTYARD PLANNING ARE VERY EFFECTIVE IN
MAINTAINING INDOOR AND OUTDOOR THERMAL COMFORT
CONDITIONS THAT ENHANCES THE MICROCLIMATIC
CONDITION OF THE SITE.