首页|Development of a night-time radiative sky cooling production & storage system: A proposal for a robust sizing and potential estimation methodology
Development of a night-time radiative sky cooling production & storage system: A proposal for a robust sizing and potential estimation methodology
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NSTL
Elsevier
This paper proposes a sizing method to guide the design of water-circulating radiative sky cooling systems and water-based energy storage solutions。 Following this method， the choice of operational flow rate in the radiative sky cooling (RSC) panels and the water storage is based on four indicators: sub-ambient temperature， cooling power density， minimum storage temperature and useful energy stored。 The method is applied to the BaityKool Solar Decathlon Middle East (SDME) prototype in order to design a water-radiative sky cooling system with storage in the climatic conditions of Dubai。 We developed passive strategies for the BaityKool prototype， including a multi-functional innovative exterior wall and a semi-indoor courtyard space， combined with active solutions (in particular a hydraulic radiative sky cooling system)。 The experimental campaign conducted on the RSC system over three successive nights in November (ambient air temperature between 22。7 and 31。4 °C) indicates an average cooling power of 30–45 W m?2 for a maximum sub-ambient temperature drop of 2。8 °C， and shows that great attention to the water pipes and storage insulation can lead to an increase in the thermal performance of radiative sky cooling systems。
NSTL
Elsevier
