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A modelling method for large-scale open spaces orientated toward coordinated control of multiple air-terminal units

Building Simulation 2023年第2期16卷 225-241页

作者： Pei Zhou Songjie Wang Jintao Zhou Syed Asad Hussain Xiaoping Liu Jiajia Gao Gongsheng Huang School of Civil Engineering Hefei University of TechnologyHefeiAnhuiChina Life Cycle Management Laboratory School of EngineeringUniversity of British Columbia(Okanagan Campus)KelownaBritish ColumbiaCanada Department of Building Environment&Energy Engineering Wuhan University of Science&TechnologyWuhanChina Department of Architectural and Civil Engineering City University of Hong KongTat Chee AvenueKowloonHong KongChina

The temperature distribution is always assumed to be homogeneous in a traditional singleinput-single-output(SISO)air conditioning control ***,the airflow inside is more complicated and *** study proposes a zonal temperature control strategy with a thermal coupling effect integrated for air-conditioned large-scale open *** target space was split into several subzones based on the minimum controllable air terminal units in the proposed method,and each zone can be controlled to its own set-point while considering the thermal coupling effect from its adjacent zones.A numerical method resorting to computational fluid dynamics was presented to obtain the heat transfer coefficients(HTCs)under different air supply *** relationship between heat transfer coefficient and zonal temperature difference was ***,currently available zonal models in popular software can be used to simulate the dynamic response of temperatures in large-scale indoor open *** studies showed that the introduction of HTCs across the adjacent zones was capable of enhancing the precision of temperature control of large-scale open *** could satisfy the temperature requirements of different zones,improve thermal comfort and at least 11%of energy saving can be achieved by comparing with the conventional control strategy.

关键词： large-scale open space zonal temperature control CFD thermal coupling heat transfer coefficient TRNSYS

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