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    Advanced personal comfort system (APCS) for the workplace: A review and case study.

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    Authors
    Shahzad, Sally cc
    Calautit, John Kaiser cc
    Calautit, Katrina
    Hughes, Ben
    Aquino, Angelo I.
    Affiliation
    University of Derby
    University of Nottingham
    University of Sheffield
    Issue Date
    2018-02-13
    
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    Abstract
    The aim of this research is to investigate the application and performance of an advanced personal comfort system, a thermal chair, using Computational Fluid Dynamics (CFD), Building Energy Simulation (BES) and field test analysis. The thermal chair permits individual control over their immediate thermal environment without affecting the thermal environment and comfort of other occupants. A comprehensive review on the existing research on the design and performance of various personalised thermal control systems was carried out. A prototype of a thermal chair was designed for the study and tested in an open plan office during the heating season in Leeds, UK. 45 individuals used the chair in their everyday context of work and a survey questionnaire was applied to record their views of the thermal environment before and after using the chair. The performance of the chair was investigated through CFD simulations (ANSYS Fluent) providing a detailed analysis of the thermal distribution around a thermal chair with a manikin. Furthermore, a model of a three-story office building with thermal chairs were created and simulated in the commercial BES software, IES Virtual Environment. The benchmark model of the building was validated with previous work and good agreement was observed. The results showed that user thermal comfort can be enhanced by improving the local thermal comfort of the occupant. The additional plug-load energy from the thermal chair was significantly less as compared to the heating energy saved by adjusting the heating set point by 2°C during the heating season. Monthly heating energy demand was reduced by 27% on January and 25.4% on February. Furthermore, the results of the field study revealed 20% higher comfort and 35% higher satisfaction level, due to the use of thermal chair.
    Citation
    Shahzad, S. et al (2018) 'Advanced Personal Comfort System (APCS) for the workplace: A review and case study', Energy and Buildings, DOI: 10.1016/j.enbuild.2018.02.008
    Publisher
    Elsevier
    Journal
    Energy and Buildings
    URI
    http://hdl.handle.net/10545/622356
    DOI
    10.1016/j.enbuild.2018.02.008
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S037877881731900X
    Type
    Article
    Language
    en
    ISSN
    03787788
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.enbuild.2018.02.008
    Scopus Count
    Collections
    Department of Mechanical Engineering & the Built Environment

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