E3S Web Conf.
Volume 172, 202012th Nordic Symposium on Building Physics (NSB 2020)
|Number of page(s)||9|
|Section||Energy performance assessment based on in situ measurements incl. IEA Annex 71|
|Published online||30 June 2020|
Whole building validation for simulation programs including synthetic users and heating systems: experimental design
1 Fraunhofer Institute for Building Physics IBP, Department for Energy Efficiency and Indoor Climate, 83626 Valley/Oberlaindern, Germany
2 Energy Systems Research Unit, Department of Mechanical and Aerospace Engineering, University of Strathclyde, Glasgow, G1 1XJ, UK
3 Loughborough University, School of Architecture, Building & Civil Engineering, Loughborough, LE11 3TU, UK
* Corresponding author: firstname.lastname@example.org
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.
© The Authors, published by EDP Sciences, 2020
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