2015
DOI: 10.4067/s0718-221x2015005000031
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Predicting moisture content from basic density and diameter during air drying of Eucalyptus and corymbia logs

Abstract: In air drying of Eucalyptus urophylla and Corymbia citriodora logs for the production of charcoal it is necessary to be able to predict when logs have reached the required moisture content of ≤ 35%. This study is aimed to produce models using basic density and diameter to predict the moisture content of Eucalyptus urophylla and Corymbia citriodora logs after 30, 60 and 90 days drying. 1,2 m long logs were taken at three different heights from three C. citriodora trees and three trees each from two E. urophylla… Show more

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Cited by 17 publications
(27 citation statements)
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“…This agrees with that reported for drying in C. citriodora and E. urophylla logs, 0.826 and 0.951, respectively (REZENDE et al, 2010;ZANUNCIO et al, 2015). The E. urophylla materials have clonal origin therefore, lower variability and resulting in high accuracy of the models.…”
Section: Resultssupporting
confidence: 82%
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“…This agrees with that reported for drying in C. citriodora and E. urophylla logs, 0.826 and 0.951, respectively (REZENDE et al, 2010;ZANUNCIO et al, 2015). The E. urophylla materials have clonal origin therefore, lower variability and resulting in high accuracy of the models.…”
Section: Resultssupporting
confidence: 82%
“…A higher basic density implies in greater wood mass per volume unit and smaller spaces fi lled with free water in the wood and, therefore, lower initial moisture (ENGELUND et al, 2013). However, the lower volume of void spaces reduces the drying rate by hindering water exit (ZANUNCIO et al, 2015). The fi rst effect was stronger, diameter in the short time for the pulp mill, optimizing harvesting and wood transport.…”
Section: Resultsmentioning
confidence: 86%
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“…Maximum moisture content is associated with the empty spaces within the timber, including the vessels and cell lumens (SKAAR, 1972). These spaces facilitate water flow and promote drying (ZANUNCIO et al, 2015). The fact that materials with higher initial moisture show a higher drying rate was also reported for the Eucalyptus urophylla and Corymbia citriodora logs (REZENDE et al, 2010;ZANUNCIO et al, 2013b).…”
Section: Wood Dryingmentioning
confidence: 62%
“…Environmental factors such as temperature, relative humidity and air speed (Bedane et al, 2011;Korkut et al, 2013) and wood factors, such as anatomical structure (Moya et al, 2012), basic density (Costa et al, 2014) and size (Zanuncio et al, 2015) influence wood drying. Water interacts with wood in different forms.…”
Section: Introductionmentioning
confidence: 99%