Numerical analysis of the influence of thermal mass, phase change materials and furniture / indoor content on building energy flexibility (long abstract)

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Abstract

Many numerical models for building energy simulation assume empty rooms and do not account for the indoor content of occupied buildings. Furnishing elements and indoor items have complicated shapes and are made of various materials. Therefore, most of the people prefer to ignore them. However, this simplification can be problematic for accurate calculation of the transient indoor temperature. This article firstly reviews different solutions to include the indoor content in building models and suggests typical values for its characteristics. Secondly, the paper presents the results of a numerical study investigating the influence of the different types of thermal inertia on buildings energy flexibility. Although the insulation level and thermal mass of a building envelope are the dominant parameters, it appears that indoor content cannot be neglected for lightweight structure building simulations. Finally, it is shown that the integration of phase change materials in wallboards or furniture elements can appreciably improve the energy flexibility of buildings.
Original languageEnglish
Publication date9 Aug 2017
Publication statusPublished - 9 Aug 2017
EventThe 15th International Conference of IBPSA - Hyatt Regency San Francisco, 5 Embarcadero Center, San Francisco, CA 94111, San Francisco, United States
Duration: 7 Aug 20179 Aug 2017
Conference number: 15
http://www.buildingsimulation2017.org/

Conference

ConferenceThe 15th International Conference of IBPSA
Number15
LocationHyatt Regency San Francisco, 5 Embarcadero Center, San Francisco, CA 94111
CountryUnited States
CitySan Francisco
Period07/08/201709/08/2017
Internet address

Keywords

  • Building energy flexibility
  • Furniture
  • Phase Change Material
  • thermal mass
  • thermal inertia

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