Analysis of Accuracy Determination of the Seasonal Heat Demand in Buildings Based on Short Measurement Periods

Joanna Ferdyn-Grygierek, Dorota Bartosz, Aleksandra Specjał and Krzysztof Grygierek
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Joanna Ferdyn-Grygierek: Faculty of Energy and Environmental Engineering, The Silesian University of Technology, Konarskiego 20, 44-100 Gliwice, Poland
Dorota Bartosz: Faculty of Energy and Environmental Engineering, The Silesian University of Technology, Konarskiego 20, 44-100 Gliwice, Poland
Aleksandra Specjał: Faculty of Energy and Environmental Engineering, The Silesian University of Technology, Konarskiego 20, 44-100 Gliwice, Poland
Krzysztof Grygierek: Faculty of Civil Engineering, The Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland

Energies, 2018, vol. 11, issue 10, 1-19

Abstract: In this paper, we present a multi-variant analysis of the determination of the accuracy of the seasonal heat demand in buildings. The research was based on the linear regression method for data obtained during short periods of measurement. The analyses were carried out using computer simulation, and the numerical models of the multifamily building and school building were used for the simulation. The simulations were performed using the TRNSYS, ESP-r, and CONTAM programs. The multi-zone models of the buildings were validated based on the measurement data. The impact of the building’s parameters (airtightness, insulation, and occupancy schedule) on the determination of the accuracy of the seasonal heat demand was analyzed. The analyses allowed guidelines to be developed for determining the seasonal energy consumption for heating and ventilation based on short periods of heat demand measurements and to determine the optimal duration of the measurement period.

Keywords: energy signature; energy consumption; building performance simulation; multi-family building; school building (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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