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SHADING DEVICES OF JAISALMER
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- 2. CLIMAToLOGY… • DEFINATION :Study of climatic elements how they are behaving on us and how to be benefited by these climatic parameters , how to protect from their adverse effect. • The major steps of architecture climatology are: Climatology- study of climatic elements Biology- study of human comfort level with respect to climatology Technology –creating of built environment architecture.
- 3. Shading devices: • Defination: Shading devices are the purpose built devices to protect from the sunight , form natural light or screening them from view. Shading devices can form a part of façade or can be mounted inside the building , they can be fix or operable. • Types : Vertical devices Horizontal devices Egg-crate devices
- 4. Shading devices Left sidetop: alumunium architecture sun shade, Left side down : vertical louvers,Right side top: egg-crate ,Right side down : horizontal devices
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- 6. Azumith angle • Theangle also known as “bearing angle” is the angle of sun’s projection onto the ground relative to south.
- 7. Sun path • Sunpath refers to the apparent significant seasonal and hourly positional changes of the sun as the earth rotates and orbits around the sun.
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- 9. CLIMATE & LOCATION •Location : Jaisalmer ,Rajasthan ,India • Longitude: 75◦55’ • Latitude : 26◦55’ • Altitude: 241.7m above mean sea level. • Area : 5.1 sq km District Jaisalmer has a very dry climate with very hot summer ; a cold winter and sparse rain
- 12. Sun path ofjaisalmer
- 13. Natural cooling systemof jaisalmer • Dense clustering of buildings • Sun control through orientation and structural projections • Cooling of sunlit surfaces by using fins • Massive construction for roofs and walls • Courtyards and other air ducts for ventellation. Plan of jaisalmer
- 14. Plan middle incomehouses in jaisalmer • This type of houses have two or three storey structures and can be considered as the typical houses of jaisalmer , these have additional rooms and has a balcony projecting on to the street.
- 15. Plan of smallhouses in jaisalmer Simple houses comprises of a room , verndah and a courtyard.
- 16. Streets of jaisalmer •There are major strrets oriented almost E-W and minor streets are right angle to these. This compact structure of the housing doesn’t allow the sun rays to penetrate , and also serve as device of shading.
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- 18. Nathmalji haveli • Constructedby two architect brothers in 19th century, has a symmetrical pattern as left side is constructed by one and right by the other.
- 19. Consteruction of roofsection of haveli. traditional method is to lay closely spaced timber beams ( and cover them with a layer of reed or grass matting and a thick layer (0.45 to 0.60m) of earth on top. Because of the difficulty of finding timber in the desert, in some later houses the timber stone slabs have replaced beams. In all cases the • roof and floor are finished only with mud plaster.
- 20. Details of curvedpanel • The section and the elevation of the curved panel in the wall, which acts as an shading device and doesn’t allows the rays of sun .
- 21. Air ducts • Thepicture shows the wind circulation in the airduct of the havelli, which is the method to keep the haveli’s cool.
- 22. • Articulated façadeof haveli • In Jaisalmer buildings, a number of interconnected verticalor ventilation, which serve as a shade.
- 23. Shading device inhaveli • Nathmalji Haveli • JHAROKHAS : ( a type of over hanging balcony) • CHATRI’S : ( elevated, dome shaped pavillions ) • CHAJJAS : ( projecting eaves or cover usually supported on large brackets) • JALIS : ( perforated stone or latticed screen used for ventellation )
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