Academic Journal
Hygrothermal Simulation of Interior Insulated Brick Wall - Perspectives on Uncertainty and Sensitivity
| العنوان: | Hygrothermal Simulation of Interior Insulated Brick Wall - Perspectives on Uncertainty and Sensitivity |
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| المؤلفون: | Knarud, Jon Ivar Belghaug, Kvande, Tore, Geving, Stig |
| المصدر: | 13 ; Buildings ; 1701 |
| سنة النشر: | 2023 |
| المجموعة: | SINTEF: Open Archive |
| مصطلحات موضوعية: | Modeling approach, Masonry wall, Wooden beam ends, Moisture absorption, Capillary conductivity, Brick–mortar interface, Smart vapor barrier, VDP::Teknologi: 500 |
| الوصف: | Energy retrofit of existing masonry buildings has become attractive to meet demands for reduction in energy consumption. Retrofit may, however, introduce moisture risk that needs to be assessed. Hygrothermal simulation analysis is often conducted in this respect. Nevertheless, hygrothermal simulation of interior insulated bare brick masonry exposed to driving rain can be challenging due to the many aspects involved that determine heat- and moisture-transport behavior, and which should be addressed by an applied model. The present study highlights uncertainty encountered when establishing a hygrothermal simulation model. Furthermore, different modeling choices or simplifications are studied to determine impact on results. As a check of realism, results of 2D simulations are compared to results of a previous laboratory experiment of masonry wall segments subjected to severe rain wetting and subsequent drying. Rain absorption is modeled conservatively, attempting simulation results to envelope experiment results. Conservative results were not achieved for a relative humidity sensor placed on the masonry interior without inclusion of a “leaky” mortar joint. Simultaneously, the conservative approach underestimated drying experienced by the relative humidity sensor in two of three experiment wall segments. Regarding beam-end moisture content, the modeling approach conservatively enveloped experiment results in 3D but not in 2D. ; publishedVersion |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2075-5309 |
| Relation: | Norges forskningsråd: 237859; urn:issn:2075-5309; https://hdl.handle.net/11250/3081950; https://doi.org/10.3390/buildings13071701; cristin:2160834 |
| DOI: | 10.3390/buildings13071701 |
| الاتاحة: | https://hdl.handle.net/11250/3081950 https://doi.org/10.3390/buildings13071701 |
| Rights: | CC BY 4.0 ; http://creativecommons.org/licenses/by/4.0/ ; © 2023 The authors |
| رقم الانضمام: | edsbas.BCD95B9D |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 20755309 |
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| DOI: | 10.3390/buildings13071701 |