Climate Adaptive Skins:
Towards The New Energy-efficient Façade
Author(s)
B. L. H. Hasselaar
Abstract
Façades perform many different functions and are made up of many different
parts and materials. Mike Davies was the first to describe a façade made up of
one layer that was still able to cater to different functions. In an effort to realise
this ‘polyvalent façade’ as described by Davies, multiple features have since
been integrated into the façade, each addressing a specific need. Building skins
that are considered to be at the forefront of modern façade technology however
are basically all variations on the same theme, hardly doing anything but reacting
to the current environmental conditions and the situation created by the façade
itself. As such, they are ad hoc devices, able to adjust to a specific circumstance
at that specific time, but unable to save, store or prepare for another
circumstance. The outdoor climate changes through time and season, alternately
supplying energy to and drawing energy from the building skin. Most modern
façades have no means to buffer between the two, other than trapping air in a
double skin façade to use as a warm blanket in winter. Although some buildings
utilise thermal mass in floors/ceilings and aquifers to store heat/cold between
day/night and seasons, these are technologies that function independently from
the building skin, aiding the building installations. Climate Adaptive Skins
(CAS) should differ from ‘conventional’ façades in a way that they are able to
adjust their characteristics to and mediate between the changing environments.
By doing so they are able to provide a comfortable indoor temperature, lighting
level and air quality (parameters influencing energy consumption) without
excess use of energy.
Keywords: façade, adaptive, climate control, comfort, low energy, polyvalent.
Keywords
façade, adaptive, climate control, comfort, low energy, polyvalent.
Related Book
Other papers in this volume
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