Kriterijumi toplotne ugodnosti pri projektovanju grejnih sistema
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Apstrakt
U principu, pri projektovanju i dimenzionisanju sistema moraju se koristiti nacionalno specificirani kriterijumi, ali ako nema nacionalnih propisa, onda međunarodni standardi, poput BN 12828, ISOEN7730 ili EN15251, sadrže opšte zahteve i preporučene projektne vrednosti za toplotnu ugodnost u informativnim aneksima. Preporučeni kriterijumi su dati za opštu toplotnu ugodnost baziranu na PMV-PPD (engl.: PMV – predviđeni prosečni glas; PPD – predviđeni procenat nezadovoljnih), ili radnu temperaturu za lokalne parametre toplotne ugodnosti poput razlika temperature vazduha po visini, asimetrije temperature zračenja, strujanja vazduha i površinskih temperatura.
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Reference
[2] *** EN ISO 7730, 2005, Moderate thermal environments – Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort.
[3] *** CEN CR 1752-1998, Ventilation for buildings – Design criteria for the indoor environment.
[4] EN12828, 2002, Heating systems in buildings – Design for water based heating systems.
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[7] *** ASHRAE 2004, ANSI/ASHRAE Standard 55-2004 – Thermal environmental conditions for human occupancy, American Society of Heatin Refrigerating and Air Conditioning Engineers, Atlanta, USA.
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