Computational Fluid Dynamic Study with Comfort Analysis in Large Atrium of the Angelo Hospital in Venice

Margherita Ferrucci, Piercarlo Romagnoni, Fabio Peron and Mauro Strada
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Margherita Ferrucci: Laboratorio di Fisica Tecnica Ambientale, Università Iuav di Venezia, 30135 Venezia, Italy
Piercarlo Romagnoni: Laboratorio di Fisica Tecnica Ambientale, Università Iuav di Venezia, 30135 Venezia, Italy
Fabio Peron: Laboratorio di Fisica Tecnica Ambientale, Università Iuav di Venezia, 30135 Venezia, Italy
Mauro Strada: STEAM S.r.l. Architettura e Ingegneria, 35131 Padova, Italy

Energies, 2022, vol. 15, issue 9, 1-22

Abstract: To improve the thermal comfort in the hall of the Angelo Hospital (Venezia) an analysis was developed by using Computation Fluid Dynamics and considering some configurations for the air-conditioning system and for the solar shading devices. The reference configuration consists of the installation of four fan coils in the area coupled with a 3 m high metal casing used for solar shading. Then, three other solutions are proposed: by increasing the number of fan coils and changing their position, by adding some radiant panels arranged on the walls, and by inserting a physical confinement as a lateral confinement. The study consists of three sections. Firstly, a section in which the study area is modelled through a strong simplification that allows to represent only a slice of the domain but to immediately evaluate the role of the casing. A second section in which the area is completely modelled, and a third section in which a comfort evaluation is carried out. The analysis shows that the metal casing brings a substantial benefit due to the solar shielding it causes. The radiant panels cool the area only near the wall. The increasing of the number of the fans leads to an excessively high air speed and localized discomfort due to drafts. The lateral confinement on the north and south side is the one that guarantees better cooling of the study area.

Keywords: computation fluid dynamics simulations; Large Eddy Simulation; thermal comfort; Predictive Mean Vote (PMV); Predicted Percentage of Dissatisfied (PPD); Draught Rating (DR) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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