framlab’s modular clouds designed to passively fight city warmth islands

sizzling within the metropolis


Innovation studio Framlab proposes ‘Oversky,’ a passive new kind of infrastructure which goals to fight excessive city warmth waves. The answer is certainly sculptural and avante-garde, however has been developed by way of an in-depth investigation into the city warmth island phenomenon and the habits of clouds. 


In unveiling its Oversky proposal, the staff notes the important actuality of rising temperatures in cities, that are heating up ‘nearly twice the global average rate.’ These warmth waves in fact come hand-in-hand with a rise in cooling programs, particularly air conditioners, which at present account for 10 % of world greenhouse fuel emissions (see right here).

framlab overskypictures © Framlab



the cool intervention: the way it works


Through this Oversky design analysis venture, Framlab (see extra right here) proposes a brand new city infrastructure of passive applied sciences to chill the warming cities. The staff describes the venture as a floating, modular system which targets the areas answerable for the warmth island phenomenon — particularly street networks and parking heaps — to passively cool the neighborhood and cut back the necessity for AC models. 


These clustered, cloud-like constructions create shaded microclimates by reflecting warmth from the solar. The architects elaborate: ‘The coating of the modules makes use of a technique called radiative cooling. Through nanophotonic engineering, a foam-like material structure with nanoscale air pockets is designed to reflect sunlight and radiation in a narrow band of the light spectrum.


‘The wavelengths of this band correspond to a ‘transmission window’ within the ambiance, permitting warmth to flee into outer area and funky down the floor to under its surrounding temperature, even in full daylight.’

framlab oversky



framlab’s Cooling and cleansing clouds


The staff at Framlab continues, describing the clustered clouds of its Oversky proposal: ‘A team of researchers have demonstrated that panels placed under direct sunlight remained 4.9 degrees C (41 degrees F) below air temperature, providing a ‘cooling power of 40.1 watts per square meter.’


The geometry of the construction is designed to channel and gather rain water. With using a hydronic radiant cooling system, the water will get circulated by way of a community of skinny pipes working beneath the pores and skin, cooling down its inside and — by way of the combination with present cooling infrastructure — neighboring buildings. Water can also be launched as effective mist on the underside of the construction, enabling the cloud to take away extra warmth from the road surroundings by way of evaporative cooling.


‘In addition, the use of a titanium dioxide coating enables the outer surface to clean the air through the break-down of airborne pollutants. The geometry of the underside of the cloud is designed to combat a different kind of pollution, as it absorbs noise from the traffic below.’

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