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

查看全文 作　　者：Pei [1]Zhou;Songjie [1]Wang;Jintao [1]Zhou;Syed Asad [2]Hussain;Xiaoping [1]Liu;Jiajia [3]Gao;Gongsheng [4]Huang

机构地区：[1]School of Civil Engineering,Hefei University of Technology,Hefei,Anhui,China;[2]Life Cycle Management Laboratory,School of Engineering,University of British Columbia(Okanagan Campus),Kelowna,British Columbia,Canada;[3]Department of Building Environment&Energy Engineering,Wuhan University of Science&Technology,Wuhan,China;[4]Department of Architectural and Civil Engineering,City University of Hong Kong,Tat Chee Avenue,Kowloon,Hong Kong,China

出　　处：《Building Simulation》索引2023年第16卷第2期,共17页

基　　金：supported by the National Key R&D Program of China (No.2018YFC0810600);Natural Science Foundation of Anhui Province of China (No.JZ2019AKZR0222);Returned Overseas Innovation and Entrepreneurship Support Program of Anhui Province (No.2022LCX020). 摘　　要：The temperature distribution is always assumed to be homogeneous in a traditional singleinput-single-output(SISO)air conditioning control strategy.However,the airflow inside is more complicated and unpredictable.This study proposes a zonal temperature control strategy with a thermal coupling effect integrated for air-conditioned large-scale open spaces.The 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 scenarios.The relationship between heat transfer coefficient and zonal temperature difference was linearized.Thus,currently available zonal models in popular software can be used to simulate the dynamic response of temperatures in large-scale indoor open spaces.Case studies showed that the introduction of HTCs across the adjacent zones was capable of enhancing the precision of temperature control of large-scale open spaces.It 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

相关文献

参考文献（64）
引证文献（1）
耦合文献（0）

参考文献(64)

引证文献(1)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

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

参考文献(64)

引证文献(1)

用户提示