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Supplementary files for: ”Risk of Mould Growth in Future Climate in Different European Locations for Two Bio-based Insulation Systems for Interior Retrofitting”

dataset
posted on 04.03.2022, 15:13 by Nickolaj Feldt JensenNickolaj Feldt Jensen, Eva B. MøllerEva B. Møller, Kurt Kielsgaard HansenKurt Kielsgaard Hansen, Carsten RodeCarsten Rode
Supplementary data for: Nickolaj Feldt Jensen, Eva B. Møller, Kurt Kielsgaard Hansen and Carsten Rode, 2022. Risk of Mould Growth in Future Climate in Different European Locations for Two Bio-based Insulation Systems for Interior Retrofitting.

The article is submitted for review for the 5th Central European Symposium on Building Physics 2022.
The authors are awaiting link/DOI for the article.

Abstract: This research project investigated the hygrothermal performance of two bio-based insulation systems for interior retrofitting solid masonry walls; loose-fill cellulose insulation and hemp fibre insulation mats. The study was carried out through HAM simulations calibrated with 1 year and 2 months of measurements and material data from a field experiment in Denmark’s Nordic, maritime climate. The experimental setup comprised a 40-foot (12.2 m) insulated reefer container with controlled indoor climate, reconfigured with several holes (1x2 m each) accommodating the solid masonry walls. Some of the masonry walls had exterior hydrophobisation. The calibrated simulation models were used to investigate the long-term robustness of the bio-based insulation systems to the future climate conditions caused by different emission scenarios between year 2020 and 2050, for several locations around Europe. The focus of the study was on the conditions in the interface between the masonry and the internal insulation, and the mould risk was evaluated using the VTT mould growth model. The findings showed high relative humidity levels in the masonry/insulation interface with a high risk of mould growth, already exposed to the current climate data. The results indicate that the future climate conditions would exacerbate the hygrothermal conditions in the insulated masonry walls. Exterior hydrophobisation positively affected the hygrothermal balance in the insulated masonry walls, lowering the risk of mould growth under future climate conditions. However, the results indicate that in some cases, the insulation systems would still experience critical relative humidity levels despite the combination with hydrophobisation.

The dataset comprises several Excel file containing:
- Typical meteorological year (TMY) weather data for Bologna, Bratislava, Copenhagen, Dublin, Kiruna, Moscow, and Munich.
- Future climate data based on SRES A1B and RCP4.5 emission scenarios, for Bologna, Bratislava, Copenhagen, Dublin, Kiruna, Moscow, and Munich.
- Model calibration results (comparisons between measurements from experimental set-up and simulation results)
- Simulation results using TMY data (Relative humidity and temperature)
- Simulation results using SRES A1B and RCP4.5 data (Relative humidity and temperature)
- Mould growth predictions calculated using the VTT model by Hukka and Viitanen, based on simulation results using TMY data
- Mould growth predictions calculated using the VTT model by Hukka and Viitanen, based on simulation results using SRES A1B and RCP4.5 data

Funding

Realdania

Grundejernes Investeringsfond - GI - (The Landowners' Investment Foundation)

Miljøteknologisk Udviklings- og Demonstrationsprogram (MUDP)

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