Possibility of drying oak and ash elements with bark
The subject of this paper is the analysis of the possibility of drying oak and ash elements with the presence of tree bark on one side of the element (bark edge). One batch was dried per species, and the process was controlled by moisture content (MC) probes in the kiln, but also determined by the o...
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Veröffentlicht in: | Glasnik Sumarskog fakulteta - Univerzitet u Beogradu (1987) 2020, Vol.2020 (121), p.97-108 |
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Format: | Artikel |
Sprache: | eng ; srp |
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Zusammenfassung: | The subject of this paper is the analysis of the possibility of drying oak
and ash elements with the presence of tree bark on one side of the element
(bark edge). One batch was dried per species, and the process was controlled
by moisture content (MC) probes in the kiln, but also determined by the
oven-dry method. Drying defects and their causes were also analyzed. The
results showed that conventional drying can be used for this purpose - the
duration is relatively short (up to 7 days), and the variation of the final
MC is relatively small. The main problem is a relatively large number of
crooked elements at the end of drying, particularly those where the share of
wood in relation to the bark was small. Very high axial shrinkage
coefficients of the bark (4.5 times higher than wood) are the cause of these
deformations. |
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ISSN: | 0353-4537 2217-8600 |
DOI: | 10.2298/GSF2021097M |