Science Daily June 23, 2021
Researchers in Switzerland have designed and demonstrated a system that synergistically combines radiative shielding and cooling with a fully passive superhydrophobic condensate harvester, working with a coalescence-induced water removal mechanism. A shield, accounting for the atmospheric radiative heat, facilitates daytime atmospheric water harvesting under solar irradiation at realistic levels of relative humidity. The remarkable cooling power enhancement enables dew mass fluxes up to 50 g m−2 hour−1, close to the ultimate capabilities of such systems. The results demonstrate that the yield of related technologies can be at least doubled, while cooling and collection remain passive, thereby substantially advancing the state of the art…read more. Open Access TECHNICAL ARTICLE
Design of system. Credit: Science Advances 23 Jun 2021, Vol. 7, no. 26, eabf3978