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HVAC system design under peak load prediction uncertainty using multiple-criterion decision making technique
City University of Hong Kong.
2015 (engelsk)Inngår i: Energy and Buildings, ISSN 0378-7788, E-ISSN 1872-6178, Vol. 91, s. 26-36Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Heating, ventilation and air-conditioning (HVAC) systems are widely equipped in modern buildings to provide indoor thermal comfort and guarantee indoor air quality. In a conventional design, the components of an HVAC system are sized according to a deterministic peak load, predicted according to typical weather condition, building physics and internal load. It has been shown by many studies that this prediction is associated with uncertainties since building physical parameters cannot be accurately set and the weather and the internal load used in the design may be different from the real situation after use. Therefore, uncertainty cannot be neglected in order to properly size a HVAC system. In this paper, a prototype of HVAC system design under uncertainty is proposed, which is able to take uncertainty directly in the design, and most importantly it can assess the performance of a design at the design stage in term of multiple performance indices and the customers’ requirements and preferences, i.e. the new design method falls in the framework of multiple criteria decision making. Case studies are used to illustrate the design procedure, and the result is compared with that of a conventional design method.

sted, utgiver, år, opplag, sider
2015. Vol. 91, s. 26-36
Emneord [en]
HVAC, Uncertainty analysis, Monte-Carlo simulation, Multiple criteria decision making, Design
HSV kategori
Identifikatorer
URN: urn:nbn:se:du-30832DOI: 10.1016/j.enbuild.2015.01.026OAI: oai:DiVA.org:du-30832DiVA, id: diva2:1355757
Tilgjengelig fra: 2019-09-30 Laget: 2019-09-30 Sist oppdatert: 2019-10-01bibliografisk kontrollert

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