Abstract
The results of experimental and theoretical studies of the processes of heat and mass transfer occurring during drying of wood under microwave heating are presented. The times of moisture removal are set. It is established that the dynamics of dehydration depends on the type of wood. Based on the results of experimental studies, a mathematical model of the heat transfer processes taking place under conditions of intensive phase transformations (evaporation of water) is formulated together during the dehydration of the wood. A comparative analysis of the theoretical and experimental values of the drying times showed their satisfactory consistency.
Highlights
Woodworking is one of the promising industries both in the Russian Federation and abroad
Full-scale research of heat and mass transfer processes occurring during microwave drying of wood is very expensive and complex, and sometimes it is impossible
It can be noted that the longest dehydration period corresponds to the drying of spruce, while the lowest rate of moisture removal is recorded in cedar
Summary
Woodworking is one of the promising industries both in the Russian Federation and abroad. Full-scale research (experiment) of heat and mass transfer processes occurring during microwave drying of wood is very expensive and complex, and sometimes it is impossible This is due to the numerous group of factors (type of wood, size of billet, type of sawing, etc.) [5]. Summarizing, it can be said that the development of an “adequate” physical theory and the mathematical basis for the microwave drying of wood that provides it is an urgent and unresolved task to date. The latter will contribute to the development of optimal drying modes for wet wood
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