The Standard EN ISO 15026:2007 suggests that, in Heat and Moisture Transfer (HAMT) simulations, a Moisture Reference Year (MRY) should be used, built upon a sufficiently long recording period. However, many studies rely on widely available Typical Weather Years (TWY), although these are not prepared ad hoc to investigate moisture-related risks. This paper aims at understanding to what extent these weather files are interchangeable 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.
On the choice of the weather dataset in hygrothermal simulations in Mediterranean climate: MRY vs TWY
Urso A.
;Costanzo V.;Evola G.;Nocera F.
2023-01-01
Abstract
The Standard EN ISO 15026:2007 suggests that, in Heat and Moisture Transfer (HAMT) simulations, a Moisture Reference Year (MRY) should be used, built upon a sufficiently long recording period. However, many studies rely on widely available Typical Weather Years (TWY), although these are not prepared ad hoc to investigate moisture-related risks. This paper aims at understanding to what extent these weather files are interchangeable 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.File | Dimensione | Formato | |
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