Whole building validation for simulation programs including synthetic users and heating systems: experimental design

Matthias Kersken, Paul Strachan, Eirini Mantesi, Graeme Flett

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Abstract

A large-scale study for validating building energy simulation programs against measured data was undertaken within IEA EBC Annex 71 "Building energy performance assessment based on optimized in-situ measurements" as a more complex and realistic successor of the dataset created previously in IEA EBC Annex 58. The validation method consists of a set of high quality measurement data and a precise documentation of all boundary conditions. This enables a user to create a complete model of the different validation scenarios. The results of this model can be compared to the real measurement data. Because of the detailed modelling, the remaining deviations should indicate the limitations of the tool under investigation. The definition of the scenarios consists of extensive weather data and a detailed description of the building geometry, components compositions, thermal bridges, air tightness, ventilation, etc. In addition to the previous Annex 58 dataset this experiment contains synthetic users with internal heat and moisture gains, operated doors and windows and underfloor heating with an air source heat pump. This paper sets out the experimental design, a key element in ensuring a useful experimental dataset.

Original languageEnglish
Article number22003
Number of pages9
JournalE3S Web of Conferences
Volume172
DOIs
Publication statusPublished - 30 Jun 2020
Event12th Nordic Symposium on Building Physics, NSB 2020 - Tallinn, Estonia
Duration: 6 Sep 20209 Sep 2020
https://nsb2020.org/

Keywords

  • whole building
  • validation
  • simulation programs
  • synthetic users
  • heating systems
  • experimental design

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