Building performance with an integrated simulation approach: Experiences in Solar Decathlon Europe 21/22 and future perspectives

Kalpkirmaz Rizaoglu, Isil; Voss, Karsten

doi:10.1016/j.buildenv.2024.111261

Building and Environment

2024

DOI: 10.1016/j.buildenv.2024.111261

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Building performance with an integrated simulation approach: Experiences in Solar Decathlon Europe 21/22 and future perspectives

Isil Kalpkirmaz Rizaoglu,

Karsten Voss

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2024

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Cited by 2 publications

References 18 publications

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House FIRSTLIFE in student contest and in Living Lab

Tywoniak,

Malík,

Sojková

2024

IOP Conf. Ser.: Earth Environ. Sci.

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The paper comments on selected measurements and observations related to the FIRSTLIFE house demonstration unit, which was prepared by the team of the Czech Technical University for the international competition Solar Decathlon Europe 21/22 with its final at the Solar Campus in Wuppertal, Germany. The paper comments on the measurement results obtained during the competition in the field of building physics (thermal and moisture comfort, measurement of air permeability, measurement of sound insulation of the perimeter wall and dynamic co-heating test). The second part of the paper describes selected follow-up activities. For the purposes of the Living Lab, eight of the competition houses remained on the Solar Campus for at least another 3 years. This allowed long-term monitoring and targeted experiments to be carried out and some of the earlier measurements to be repeated under different climatic boundary conditions. For this phase, additional sensors were added in the Czech house, such as a meteorological station and temperature and heat flow sensors in the perimeter wall. Part of the data comes directly from the building management system. The paper comments on first results from Living Lab period.

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House FIRSTLIFE in student contest and in Living Lab

Tywoniak,

Malík,

Sojková

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Project Report: Thermal Performance of FIRSTLIFE House

Tywoniak,

Malík,

Staněk

et al. 2024

Buildings

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The paper deals with selected thermal properties of a small building that was built during the international student competition Solar Decathlon 2021/2022 and is now part of the Living Lab in Wuppertal. It summarizes the essential information about the overall design of this wooden building with construction and technologies corresponding to the passive building standard. Built-in sensors and other equipment enable long-term monitoring of thermal parameters. Part of the information comes from the building operation control system. The thermal transmittance value for the perimeter wall matches calculated expectation well, even from a short period of time and not at an achievable perfectly steady state boundary condition. The (positive) difference between the calculated values and the measured ones did not exceed 0.015 W/(m2K). It was proven that even for such a small building with a very small heat demand, the heat transfer coefficient can be estimated alternatively from a co-heating test (measured electricity power for a fan heater) and from energy delivered to underfloor heating (calorimeter in heating system). Differences among both measurement types and calculation matched in the range ± 10%. In the last section, the dynamic response test is briefly described. The measured indoor air temperature curves under periodic dynamic loads (use of fan heater) are compared with the simulation results. The simulation model working with lumped parameters for each element of the building envelope was able to replicate the measured situation well, while its use does not require special knowledge of the user. In the studied case, the differences between measured and simulated air temperatures were less than 1 Kelvin if the first two to three days of the test period are ignored due to large thermal inertia. Finally, the measurement campaign program for the next period is outlined.

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Building performance with an integrated simulation approach: Experiences in Solar Decathlon Europe 21/22 and future perspectives

Cited by 2 publications

References 18 publications

House FIRSTLIFE in student contest and in Living Lab

House FIRSTLIFE in student contest and in Living Lab

Project Report: Thermal Performance of FIRSTLIFE House

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