Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule
The heterogeneity of characteristics observed in the pith-bark direction within a log causes sawn pieces of wood have different behaviors during water removal. Understanding these differences is important for the industry regarding the possibility of classification of the lumber into juvenile wood a...
Guardado en:
Autores principales: | , , |
---|---|
Lenguaje: | English |
Publicado: |
Universidad del Bío-Bío
2016
|
Materias: | |
Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000400003 |
Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
id |
oai:scielo:S0718-221X2016000400003 |
---|---|
record_format |
dspace |
spelling |
oai:scielo:S0718-221X20160004000032016-10-13Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying scheduleDias Soares,Bruno CharlesTarcísio Lima,JoséMoreira da Silva,José Reinaldo Drying potential drying rate drying time end checks moisture content The heterogeneity of characteristics observed in the pith-bark direction within a log causes sawn pieces of wood have different behaviors during water removal. Understanding these differences is important for the industry regarding the possibility of classification of the lumber into juvenile wood and mature wood, facilitating the drying in separate loads. Thus, this study aimed to evaluate the behavior of juvenile and mature wood samples of Eucalyptus saligna when subjected to drastic drying. In order to do this, test specimens were submitted to drastic drying at 100°C to obtain the drying times, drying rates and dimensions of end checks. These data were applied in equations to obtain the parameters initial temperature, final temperature and drying potential, used in the elaboration of drying schedules. In juvenile wood we observed that the basic density was lower and the initial moisture content was higher. Mature wood showed a lower drying rate. Drying schedules were developed separately for juvenile and mature wood, the drying schedule for the latter considered milder than the drying schedule developed for juvenile wood.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.18 n.4 20162016-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000400003en10.4067/S0718-221X2016005000047 |
institution |
Scielo Chile |
collection |
Scielo Chile |
language |
English |
topic |
Drying potential drying rate drying time end checks moisture content |
spellingShingle |
Drying potential drying rate drying time end checks moisture content Dias Soares,Bruno Charles Tarcísio Lima,José Moreira da Silva,José Reinaldo Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
description |
The heterogeneity of characteristics observed in the pith-bark direction within a log causes sawn pieces of wood have different behaviors during water removal. Understanding these differences is important for the industry regarding the possibility of classification of the lumber into juvenile wood and mature wood, facilitating the drying in separate loads. Thus, this study aimed to evaluate the behavior of juvenile and mature wood samples of Eucalyptus saligna when subjected to drastic drying. In order to do this, test specimens were submitted to drastic drying at 100°C to obtain the drying times, drying rates and dimensions of end checks. These data were applied in equations to obtain the parameters initial temperature, final temperature and drying potential, used in the elaboration of drying schedules. In juvenile wood we observed that the basic density was lower and the initial moisture content was higher. Mature wood showed a lower drying rate. Drying schedules were developed separately for juvenile and mature wood, the drying schedule for the latter considered milder than the drying schedule developed for juvenile wood. |
author |
Dias Soares,Bruno Charles Tarcísio Lima,José Moreira da Silva,José Reinaldo |
author_facet |
Dias Soares,Bruno Charles Tarcísio Lima,José Moreira da Silva,José Reinaldo |
author_sort |
Dias Soares,Bruno Charles |
title |
Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
title_short |
Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
title_full |
Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
title_fullStr |
Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
title_full_unstemmed |
Analysing the drying behavior of juvenile and mature Eucalyptus saligna wood in drastic drying test for optimal drying schedule |
title_sort |
analysing the drying behavior of juvenile and mature eucalyptus saligna wood in drastic drying test for optimal drying schedule |
publisher |
Universidad del Bío-Bío |
publishDate |
2016 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000400003 |
work_keys_str_mv |
AT diassoaresbrunocharles analysingthedryingbehaviorofjuvenileandmatureeucalyptussalignawoodindrasticdryingtestforoptimaldryingschedule AT tarcisiolimajose analysingthedryingbehaviorofjuvenileandmatureeucalyptussalignawoodindrasticdryingtestforoptimaldryingschedule AT moreiradasilvajosereinaldo analysingthedryingbehaviorofjuvenileandmatureeucalyptussalignawoodindrasticdryingtestforoptimaldryingschedule |
_version_ |
1714202626779774976 |