CHAOS has worked extensively using chemicals to induce hydrophobicity on crushed glass ceramics. This is an interesting article on the future of superhydrophobicity through lasers, informed by the nanostructures of natural organisms.
http://scitation.aip.org/content/aip/journal/jap/117/3/10.1063/1.4905616
The NY Times ran an interesting article on thermal imaging, a tool we use in our research to study how heat moves in and out of surfaces. It gives a nice overview of the technology, as well as some interesting application and business models (like essess.com)
The Thermoheliodome was featured on the cover of the Andlinger Center for Energy and Environment Annual Report
View Report here: http://acee.princeton.edu/wp-content/uploads/2014-Anglinger-Annual-Report-FINAL.pdf
Welcome to the new Princeton CHAOS Lab website!
Cooling and Heating for Architecturally Optimized Systems
Research Group of Dr. Forrest Meggers,
Asst. Prof. at the School of Architecture &
Andlinger Center for Energy and the Environment
Please add suggestions for content!
The group fo Shanhui Fan published a paper in Nature, “Passive radiative cooling below ambient air temperature under direct sunlight.” I demonstrates how a nanostructured surface and shift the wavelength of radiant emission into a band where the atmosphere is transparent, greatly increasing the thermal gradient and cooling potential by radiating to the sky. They were able to cool the surface to 4.9 degrees C below the ambient air temperature in sunlit conditions.
Nature paper:
http://www.nature.com/nature/journal/v515/n7528/full/nature13883.html
Media article:
http://www.sciencedaily.com/releases/2014/11/141126133821.htm
Meggers’ featured lecture at Ohio State
http://knowlton.osu.edu/event/forrest-meggers-princeton-university-school-architecture
http://www.princeton.edu/main/news/archive/S41/53/01G71/index.xml?section=topstories
Watch all aspects of our radiant cooling dome construction, from robot foam fabrication and hot wire cutting to truck rigging and gorilla gluing. At the end, check out the in-house design for mean radiant temperature sensing and the wet-bulb temperature depression through the cooling reflected by the dome’s dishes, viewed in the IR spectrum.
Read more about the ThermoHeliDome.
Read more about CHAOS and Infrared Sensing in Campus as a Lab.
University news page (was featured on main page in September
http://www.princeton.edu/main/news/archive/S40/80/41I98/index.xml
University Bulletin newspaper print
http://www.princeton.edu/main/news/bulletin/docs/Bulletin_10-09-2014.pdf
