TY - JOUR
T1 - Moisture transport in birch lumber at low radio-frequency and contact vacuum drying
AU - Lopatin, V. V.
AU - Goreshnev, M. A.
AU - Sekisov, F. G.
PY - 2014
Y1 - 2014
N2 - Results of the dynamic distribution of moisture content, temperature, and internal overpressure at low radio-frequency (LRF), up to 100 kHz, and vacuum contact drying are presented. To minimize structural changes of lumber, low temperature drying (less than 70 °C) was used. Contact vacuum drying with LRF volume heating decreases the moisture gradient compared to conductive vacuum drying and increases moisture removal rate by 25 %. The heat consumption energy and electrical energy for drying were determined. The significant influence of the internal overpressure on the moisture transport in birch lumber was proven.
AB - Results of the dynamic distribution of moisture content, temperature, and internal overpressure at low radio-frequency (LRF), up to 100 kHz, and vacuum contact drying are presented. To minimize structural changes of lumber, low temperature drying (less than 70 °C) was used. Contact vacuum drying with LRF volume heating decreases the moisture gradient compared to conductive vacuum drying and increases moisture removal rate by 25 %. The heat consumption energy and electrical energy for drying were determined. The significant influence of the internal overpressure on the moisture transport in birch lumber was proven.
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U2 - 10.1007/s00107-014-0835-3
DO - 10.1007/s00107-014-0835-3
M3 - Article
VL - 72
SP - 779
EP - 784
JO - European Journal of Wood and Wood Products
JF - European Journal of Wood and Wood Products
SN - 0018-3768
IS - 6
ER -