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Theoretical and experimental analysis of a novel low emissivity water pond in summer

Ilias Zacharopoulos

Απλή Εγγραφή

URIhttp://purl.tuc.gr/dl/dias/5CA61539-DBE9-450C-A593-146AB6FC2CB1-
Αναγνωριστικόhttps://doi.org/10.1016/j.solener.2012.08.017-
Γλώσσαen-
Μέγεθος13 pagesen
ΤίτλοςTheoretical and experimental analysis of a novel low emissivity water pond in summeren
ΔημιουργόςIlias Zacharopoulosen
ΔημιουργόςTheocharis Tsoutsosen
Δημιουργός Dionysia Kolokotsaen
ΔημιουργόςArtemisia Spanakien
ΕκδότηςPergamonen
ΠερίληψηThe present study focuses on the research of a new passive roof cooling technique, based on the combination of low emissivity materials and water. A novel roof pond is chosen as the most advantageous in terms of both energy efficiency and less maintenance or functional demands. The pond – referred as “Roof Pond with Gunny Bag” (RPWGB) – is covered by a cloth floating on water level, encouraging evaporative heat losses. A mathematical model describing the energy flux through the RPWGB is developed. The following sensitivity analysis marks the parameters that reduce bottom pond temperature thus improving the efficiency of the system. The experimental study analyses alternative ways to reduce bottom pond temperature. For this purpose, the low emissivity material is placed in different positions, above, below and floating on water level. Heat dissipation occurs by means of radiation losses and water evaporation. en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-09-27-
Ημερομηνία Δημοσίευσης2012-
Βιβλιογραφική ΑναφοράA. Spanaki, D. Kolokotsa, T.Tsoutsos, I. Zacharopoulos ,"Theoretical and experimental analysis of a novel low emissivity water pond in summer ",Sol. Ener. ,vol. 86, no.11, pp. 3331–3344 , Nov. 2012 .doi :10.1016/j.solener.2012.08.017en

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