INFLUENCE OF HEARTWOOD-SAPWOOD PROPORTIONS ON THE DRYING KINETICS OF A BOARD

被引：13

作者：

BONNEAU, P

PUIGGALI, JR

机构：

[1] Laboratoire Energétique et Phénomènes de Transfert L.E.P.T. - ENSAM, Talence Cedex, 33405

来源：

WOOD SCIENCE AND TECHNOLOGY | 1993年 / 28卷 / 01期

关键词：

D O I：

10.1007/BF00193878

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Several properties have been measured for pinewood samples, corresponding to the region within the heartwood or the sapwood, with the aim of treating wood as a heterogeneous medium when modelling the drying process. A two driving-force model is used to compare a homogeneous and a heterogeneous approach to the drying of a pinewood board. The main difference between the two theoretical descriptions is a specific boundary condition for the inter-region, which may generate jumps of the moisture content fields. Experimental and numerical results are presented and some comments are made concerning the use of the heterogeneous model.

引用

页码：67 / 85

页数：19

共 24 条

[11] HEAT AND MASS-TRANSFER IN WOOD DURING DRYING
PLUMB, OA
SPOLEK, GA
OLMSTEAD, BA
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1985, 28 (09) : 1669 - 1678
[12] PUIGGALI JR, 1990, CR ACAD SCI II, V310, P1719
[13] PUIGGALI JR, 1988, DRYING TECHNOLOGY, V4, P601
[14] PUIGGALI JR, 1992, ADV DRYING, V5, P109
[15] 2-PHASE FLOW IN HETEROGENEOUS POROUS-MEDIA - THE METHOD OF LARGE-SCALE AVERAGING
QUINTARD, M
WHITAKER, S
[J]. TRANSPORT IN POROUS MEDIA, 1988, 3 (04) : 357 - 413
[16] QUINTARD M, 1987, J MEC THEOR APPL, V6, P691
[17] QUINTARD M, 1989, TRANSPORT POROUS MED, V5, P429
[18] Quintard M., 1993, ADV HEAT TRANSFER, V369, DOI [DOI 10.1016/S0065-2717(08)70009-1, 10.1016/S0065-2717(08)70009-1]
[19] SALIN JG, 1990, THESIS ABO AKADEMI F
[20] SANCHEZPALENCIA E, 1980, LECTURE NOTES PHYSIC, V127

← 1 2 3 →