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On the choice of the weather dataset in hygrothermal simulations in Mediterranean climate: MRY vs TWY

Name: On the choice of the weather dataset in hygrothermal simulations in Mediterranean climate: MRY vs TWY
Keywords: Weather data, Timber based materials, Moisture reference years, Hygrothermal simulations, weather data, mould growth, thermal conductivity, wooden materials, Hygrothermal simulations

descriptionPublicationkeyboard_double_arrow_right Article 04 Sep 2023 Italy Publisher:IBPSAJournal:Building Simulation Conference Proceedings, volume 18 (issn: 2522-2708,

Authors: Urso A.; Costanzo V.; Evola G.; Nocera F.;

doi: 10.26868/25222708.2023.1128 , 10.5281/zenodo.10863955 , 10.5281/zenodo.10863956

handle: 20.500.11769/589413

On the choice of the weather dataset in hygrothermal simulations in Mediterranean climate: MRY vs TWY

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Abstract

The Standard EN ISO 15026:2007 suggests that, in Heat and Moisture Transfer (HAMT) simulations, a MoistureReference Year (MRY) should be used, built upon a sufficiently long recording period. However, manystudies rely on widely available Typical Weather Years (TWY), although these are not prepared ad hoc toinvestigate moisture-related risks. This paper aims at understanding to what extent these weather files areinterchangeable in a warm climate, through hygrothermal simulations performed with Delphin 6.1.2 on a typical wall assembly retrofitted by wood-based materials. All tested weather files refer to the same location (Catania, Italy) and reference period. The results are compared in terms of mold growth and moisture-dependent increase in heat losses.

Country

Italy

Related Organizations

University of Catania
Italy

Keywords

Weather data, Timber based materials, Moisture reference years, Hygrothermal simulations, weather data, mould growth, thermal conductivity, wooden materials, Hygrothermal simulations

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