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http://dx.doi.org/10.5658/WOOD.2018.46.1.10

Development of a Kiln Dry Schedule for Lindera erythrocarpa Grown in Hongsung, Chungnam Province, Korea  

Kang, Chun-Won (Department of Housing Environmental Design, Chonbuk National University)
Kang, Ho-Yang (Department of Bio-based Materials, Chungnam National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.46, no.1, 2018 , pp. 10-16 More about this Journal
Abstract
Lindera erythrocarpa is a less utilized species in Korea although that it has straight stem and it grows up to 40 cm in diameter. A proper kiln-dry schedule is required in advance to utilize an unknown species. Terazwa's quick oven-dry method was used to find it and which was confirmed by drying 25 mm thick boards in a kiln. The average green moisture content and the average green specific gravity of Lindera erythrocarpa are 72.3% and 0.53, respectively. Prospective kiln-drying conditions obtained by Terazwa's quick oven-dry method are a initial dry-bulb temperature of $50^{\circ}C$, a initial wet-bulb depression of $4^{\circ}C$ and a final dry-bulb temperature of $75^{\circ}C$, which are in a good agreement with USDA FPL kiln-dry schedule of T5-D4. 25 mm thick boards dried in a kiln with T5-D4 kiln-dry schedule did not have any severe drying defects such as honycombing and warping. A severer kiln-dry schedule of T8-C5 was developed and applied to another kiln-drying run to confirm it.
Keywords
Lindera erythrocarpa Makino; USDA FPL kiln-dry schedule; Terazawa's quick oven-dry method; water displacement method;
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