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Energy and comfort performance of occupant-centric air conditioning strategy in office buildings with personal comfort devices

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Building Simulation 2022年第5期15卷 899-911页

作者： Jingsi Zhang Xiang Zhou Song Lei Maohui Luo School of Mechanical Engineering Tongji UniversityShanghai 200092China East China Architectural Design and Research Institute 151 Hankou RoadShanghaiChina

The personal comfort system(PCS)aims to meet individual thermal comfort demands efficiently to achieve higher thermal comfort satisfaction while reducing air conditioning energy *** date,many PCS devices have been developed and evaluated from the perspective of thermal *** will be useful for future PCS development if an approach to quantify the thermal comfort and energy performance of certain PCS devices and their combinations with consideration of user behaviors can be *** study attempted to fill this gap by integrating thermal comfort experiments,occupancy simulations,usage behavior modeling,and building energy simulation ***,human subject experiments were conducted to quantify the thermal comfort effects of the ***,the Markov chain model and conditional probability model were employed to describe the room occupancy and PCS usage ***,the extended comfort temperature range and user behavior models were imported into the building energy simulation tool to analyze the energy-saving potential of the *** results show that the use of PCS can significantly improve occupants,thermal comfort and satisfaction rate under both warm and cool *** a cooling cushion and desktop fan can lift the upper limit of the comfortable temperature to 29.5℃while the heated cushion can extend the lower limit to 15℃.By increasing the air conditioning temperature setpoint by 2℃in summer and reducing by 2.5℃the heating temperature setpoint in winter,PCS devices can reduce heating and air conditioning energy consumption by 25%-40%while maintaining occupants’thermal comfort.

关键词： thermal comfort personal comfort system occupant behavior building energy simulation building energy saving

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