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Title:Crack size in coating and moisture problems comparing thermally modified and native spruce window frame profiles using hygrothermal simulation
Authors:ID Vidmar, Gregor (Author)
ID Repič, Rožle (Author)
ID Lesar, Boštjan (Author)
ID Humar, Miha (Author)
Files:URL URL - Source URL, visit https://link.springer.com/article/10.1007/s00107-024-02149-0#rightslink
 
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Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo ZAG - Slovenian National Building and Civil Engineering Institute
Abstract:Fungal growth and degradation of wood may be caused by damage in the surface coating. The larger the cracks, the greater in principle the possibility of moisture-induced problems. Measuring basic unknown material parameters and employing hygrothermal simulations, the suitability and the maximum acceptable vertical crack size in the surface coating for a given bottom window profile made of thermally modified (TM) spruce(wood) with that made of native spruce were compared for location Ljubljana. Validation with the field test data was the second objective of the respective research. The average calculated maximum moisture content in TM spruce is about 4% (kg/kg) lower than that of native spruce. The 3 mm wide crack in the surface coating of a window frame made of native spruce is of the highest concern, whereas a 9 mm wide crack in the coating of a TM spruce profile is still acceptable. As far as moisture content is concerned in our study the TM spruce window frames were proved to be significantly more suitable for installation than the corresponding frames made of native Norway spruce. It was shown that isopleth, VTT and biohygrothermal models for mould growth do not properly capture the comparison between both materials, mainly because they classify both in the same material class/substrate category and they do not consider the material moisture content.
Keywords:hygrothermal simulations, mould growth modelling, cracks in surface coating, thermally modified wood, wooden window frame
Publication status:Published
Publication version:Version of Record
Publication date:10.10.2024
Publisher:Springer Verlag
Year of publishing:2024
Number of pages:str. 2109–2119
Numbering:Vol. 82
PID:20.500.12556/DiRROS-20537 New window
UDC:620.1/.2
ISSN on article:1436-736X
DOI:10.1007/s00107-024-02149-0 New window
COBISS.SI-ID:211655683 New window
Copyright:© The Author(s) 2024
Publication date in DiRROS:16.10.2024
Views:490
Downloads:494
Metadata:XML DC-XML DC-RDF
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VIDMAR, Gregor, REPIČ, Rožle, LESAR, Boštjan and HUMAR, Miha, 2024, Crack size in coating and moisture problems comparing thermally modified and native spruce window frame profiles using hygrothermal simulation. European journal of wood and wood products [online]. 2024. Vol. 82. [Accessed 21 April 2025]. DOI 10.1007/s00107-024-02149-0. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=20537
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Record is a part of a journal

Title:European journal of wood and wood products
Publisher:Springer Verlag
ISSN:1436-736X
COBISS.SI-ID:22253061 New window

Document is financed by a project

Funder:Other - Other funder or multiple funders
Project number:5441–2/2017/241
Name:Wood and wood products over a lifetime
Acronym:WOOLF
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0273
Name:Gradbeni objekti in materiali
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P4-0015
Name:Les in lignocelulozni kompoziti
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:I0-0032
Name:Preizkušanje materialov in konstrukcij
Funder:ARIS - Slovenian Research and Innovation Agency
Project number:I0-0022
Name:Mreža raziskovalnih infrastrukturnih centrov Univerze v Ljubljani (MRIC UL)

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:10.10.2024
Applies to:Text and Data Mining valid from 2024-10-10 Version of Record valid from 2024-10-10

Secondary language

Language:Slovenian
Keywords:higrotermalne simulacije, modeliranje rasti plesni, razpoke v površinskih premazih, toplotno modificiran les, leseni okenski profil


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