Passive design

2,590 views 21 slides Apr 04, 2020
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About This Presentation

architecture passive desıgn envirmental desıgn


Slide Content

PASSIVE DESIGN GÖRKEM DİKEN ARC252 170201005

PASSIVE DESIGN Designers tune the thermal characteristics of buildings so that they moderate external environmental conditions and maintain internal conditions using the minimum resources of materials and fuel.

Passive design maximises the use of 'natural' sources of heating, cooling and ventilation to create comfortable conditions inside buildings. It harness environmental conditions such as solar radiation, cool night air and air pressure differences to drive the internal environment. Passive measures do not involve mechanical or electrical systems.

Passive design can include: Passive cooling. Passive heating. Passive ventilation (or natural ventilation). NB: Passive solar design is an aspect of passive building design that focusses on maximising the use of heat energy from solar radiation.

Passive design can include consideration of: Location. Landscape. Orientation. Massing. Shading. Material selection. Thermal mass. Insulation. Internal layout. The positioning of openings to allow the penetration of solar radiation, visible light and for ventilation.

For  new construction , the following passive design strategies are typically used:   Building location and orientation   - harness the natural heating  power of the sun and cooling power of the wind by locating and  orienting your home  correctly. 

Passive solar  -  heat your home using solar energy without any  mechanical devices. 

Natural ventilation   - use natural winds to cool or heat your house by properly positioning and sizing your windows or exhaust vents. 

Natural lighting   - use natural light to reduce artificial lighting usage .

For existing homes, the following passive design strategies are feasible and effective: Natural ventilation Windows, skylights, and roofs - retrofit or upgrade your windows, skylights, and roofs to reduce energy losses of your home.

Natural lighting Reduced air infiltration - improve seals around your windows and doors to reduce air leaks that can cause up to 40% of building heat losses.

C onclusion Passive design uses layout, fabric and form to reduce or remove mechanical cooling, heating, ventilation and lighting demand. Examples of passive design include optimising spatial planning and orientation to control solar gains and maximise daylighting, manipulating the building form and fabric to facilitate natural ventilation strategies and making effective use of thermal mass to help reduce peak internal temperatures.

  Resources A guide on passive houses :  https:// www.thebrecklife.com/passive-house-sustainability-guide.php https :// www.designingbuildings.co.uk/wiki/Passive_building_design Ref  Home Quality Mark One , Technical Manual SD239,  England , Scotland &  Wales , published by BRE in 2018.  http://www.homequalitymark.com/standard

ENVIRONMENTAL DESIGN SYSTEMS GÖRKEM DİKEN 170201005