Hydrogel-Based Evaporative and Radiative Cooling Prototype for Hot-Arid Climates

Dorit Aviv, Maryam Moradnejad, Aletheia Ida, Zherui Wang, Eric Teitelbaum, Forrest Meggers

A roof aperture lined with hydrogel membrane is proposed for combined evaporative and radiative cooling in the desert climate. Digital simulation tools of CFD, solar radiation, and radiant sky cooling analysis, were employed to analyze the overall geometry and material impact on airflow and radiant heat exchange.

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