NDLI: Updated Typical Weather Years for the Energy Simulation of Buildings in Mediterranean Climate. A Case Study for Sicily

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Updated Typical Weather Years for the Energy Simulation of Buildings in Mediterranean Climate. A Case Study for Sicily

Content Provider	MDPI
Author	Costanzo, Vincenzo Evola, Gianpiero Infantone, Marco Filippo Marletta, Luigi
Copyright Year	2020
Description	Building energy simulations are normally run through Typical Weather Years (TWYs) that reflect the average trend of local long-term weather data. This paper presents a research aimed at generating updated typical weather files for the city of Catania (Italy), based on 18 years of records (2002–2019) from a local weather station. The paper reports on the statistical analysis of the main recorded variables, and discusses the difference with the data included in a weather file currently available for the same location based on measurements taken before the 1970s but still used in dynamic energy simulation tools. The discussion also includes a further weather file, made available by the Italian Thermotechnical Committee (CTI) in 2015 and built upon the data registered by the same weather station but covering a much shorter period. Three new TWYs are then developed starting from the recent data, according to well-established procedures reported by ASHRAE and ISO standards. The paper discusses the influence of the updated TWYs on the results of building energy simulations for a typical residential building, showing that the cooling and heating demand can differ by 50% or even 65% from the simulations based on the outdated weather file.
Starting Page	4115
e-ISSN	19961073
DOI	10.3390/en13164115
Journal	Energies
Issue Number	16
Volume Number	13
Language	English
Publisher	MDPI
Publisher Date	2020-08-09
Access Restriction	Open
Subject Keyword	Energies Civil Engineering Weather Data Typical Weather Year Building Energy Simulations Residential Building Energy Demand
Content Type	Text
Resource Type	Article

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