Wood Permeability in Eucalyptus grandis and Eucalyptus dunnii

被引：15
|
作者：
Rezende, Raphael Nogueira [1 ]
Lima, Jose Tarcisio [2 ]
de Ramos e Paula, Luana Elis [3 ]
Gherardi Hein, Paulo Ricardo [2 ]
Moreira da Silva, Jose Reinaldo [2 ]
机构：
[1] Inst Fed Educ Ciencia & Tecnol Sul Minas Gerais I, Campus Muzambinho,Estr Muzambinho,Km 35,CP 02, BR-3789000 Muzambinho, MG, Brazil
[2] Univ Fed Lavras UFLA, Dept Ciencias Florestais, Lavras, MG, Brazil
[3] Univ Fed Lavras UFLA, Dept Engn, Lavras, MG, Brazil
来源：
FLORESTA E AMBIENTE | 2018年 / 25卷 / 01期
关键词：
air flow; water flow; longitudinal permeability; transverse permeability;
D O I：
10.1590/2179-8087.022815
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
The objective of this study was to evaluate the flow of air and water in Eucalyptus grandis and Eucalyptus dunnii wood. Wood was collected from four trees aged 37 years in an experimental plantation of the Federal University of Lavras, Brazil. Planks were cut off the basal logs to produce specimens for air and water permeability testing. Results indicated that the longitudinal permeability to air and water of E. grandis wood were, on average, 5% and 10% higher, respectively, than that of E. dunnii wood. E. grandis and E. dunnii wood showed neither air nor water flow in the test for permeability transversal to the fibers, and longitudinal permeability to air exceeded that to water by approximately 50 fold in both species.
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页数：7
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