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IEA EBC Annex 66: Definition and Simulation of Occupant Behavior in Buildings

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In December 2013, the International Energy Agency (IEA) Energy in Buildings and Communities Programme (EBC, formerly ECBCS) Executive Committee decided to launch the three-year working phase of the Annex 66 on Definition and Simulation of Occupant Behavior in Buildings::.

Contents

Co-operating agents

The Annex 66 is led by two operating agents:

  • Da Yan (Tsinghua University, China)
  • Tianzhen Hong (Lawrence Berkeley National Laboratory, United States)
  • Background

    Recent improvement of building energy performance is accompanied by numerical building energy simulations also more accurate and efficient. Climate, building envelop and systems are reliably modeled, while occupant behavior in buildings is over-simplified despite its significant impact on energy consumption in buildings. Having a deeper understanding of occupant behavior and being able to model and quantify its impact is crucial to design low energy buildings. Sociology perspective is widely used to improve quantitative analysis of behaviors.

    Project description

    More than 20 international groups study building occupant behavior but modeling methodologies differ. Annex66 purpose is to set up a standard occupant behavior platform, to establish a quantitative simulation methodology to model occupant behavior, and to quantify the influence of occupant behavior on building energy consumption.

    The Annex workshop is divided into 5 subtasks

    Subtask A: Occupant movement and presence models

    Provide a standard definition and simulation methodology to represent moves between spaces and presences in zones.

    Subtask B: Occupant action models in residential buildings

    Provide a standard description of occupant actions in residential buildings.

    Subtask C: Occupant action models in commercial buildings

    Provide a standard description of occupant actions in commercial buildings.

    Subtask D: Integration of occupant behavior models with current building energy modeling programs

    Provide a framework in XML schema and a software module integrating description of the three first subtasks.

    Subtask E: Applications in building design and operations

    Provide real case studies to demonstrate applications of the developed occupant behavior platform.

    Participating countries and organizations

    In July 2015, 14 countries officially participated to the Annex66:

    1.  Austria: Vienna University of Technology
    2.  Canada: Carleton University
    3.  China: Tsinghua University and Swire Properties
    4.  Denmark: Technical University of Denmark
    5.  Germany: Karlsruhe Institute of Technology
    6.  Italy: Polytechnic University of Turin
    7.  Netherlands: Huygen Engineers and Consultants
    8.  Poland: PoznaƄ University of Technology
    9.  Spain: School of Engineering of Terrassa
    10.  New Zealand: BRANZ Ltd.
    11.  Korea: Land and Housing Research Institute
    12.  Norway: Norwegian University of Science and Technology
    13.  UK: University of Nottingham
    14.  USA: Lawrence Berkeley National Laboratory, Carnegie Mellon University and University of Texas at San Antonio

    Meetings

    The Annex66 Community gathers twice a year.

    Preparation phase

    1.  Hong Kong: Swire Properties - March 13-14, 2014
    2.  UK: University of Nottingham - August 4-6, 2014

    Working phase

    1.  USA: Lawrence Berkeley National Laboratory - March 30 - April 1, 2015
    2.  Germany: Karlsruhe Institute of Technology - August 3-5, 2015
    3.  Austria: Vienna University of Technology - March 30 - April 1, 2016
    4.  Canada: Carleton University - August 3-5, 2016
    5.  Denmark: Technical University of Denmark - May 17 -19, 2017

    Reporting phase

    1.  China: Tsinghua University - 2017

    References

    IEA-EBC Annex 66: Definition and Simulation of Occupant Behavior in Buildings Wikipedia