Mathematical modeling of processes of heat and mass transfer during drying of wood biomass

Abstract

For the first time, a mathematical model for the drying of woody biomass during conductive heating with localization of the evaporation front has been formulated. The processes of moisture removal during the filtration of steam through the porous structure of the material at an ambient temperature of Te = 373 K were considered. Humidity was varied (in the range from 6% to 40%) and dimensions of wood blanks (Rd = 0.0035-0.035 m). Based on the results of numerical simulation, the conditions and characteristics (evaporation rate Wisp, drying time τ dry) of the process of moisture removal from wood biomass are determined. The mathematical model allows to calculate the drying time, as well as the mass evaporation rate for different sizes of wood sample, humidity and temperature conditions.

Original language	English
Article number	01012
Journal	MATEC Web of Conferences
Volume	194
DOIs	https://doi.org/10.1051/matecconf/201819401012
Publication status	Published - 21 Aug 2018
Event	2018 Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment, HMTTSC 2018 - Tomsk, Russian Federation Duration: 24 Apr 2018 → 26 Apr 2018

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Engineering(all)

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10.1051/matecconf/201819401012

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title = "Mathematical modeling of processes of heat and mass transfer during drying of wood biomass",

abstract = "For the first time, a mathematical model for the drying of woody biomass during conductive heating with localization of the evaporation front has been formulated. The processes of moisture removal during the filtration of steam through the porous structure of the material at an ambient temperature of Te = 373 K were considered. Humidity was varied (in the range from 6% to 40%) and dimensions of wood blanks (Rd = 0.0035-0.035 m). Based on the results of numerical simulation, the conditions and characteristics (evaporation rate Wisp, drying time τ dry) of the process of moisture removal from wood biomass are determined. The mathematical model allows to calculate the drying time, as well as the mass evaporation rate for different sizes of wood sample, humidity and temperature conditions.",

author = "Natalya Ivanova and Elena Bulba",

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T1 - Mathematical modeling of processes of heat and mass transfer during drying of wood biomass

AU - Ivanova, Natalya

AU - Bulba, Elena

PY - 2018/8/21

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N2 - For the first time, a mathematical model for the drying of woody biomass during conductive heating with localization of the evaporation front has been formulated. The processes of moisture removal during the filtration of steam through the porous structure of the material at an ambient temperature of Te = 373 K were considered. Humidity was varied (in the range from 6% to 40%) and dimensions of wood blanks (Rd = 0.0035-0.035 m). Based on the results of numerical simulation, the conditions and characteristics (evaporation rate Wisp, drying time τ dry) of the process of moisture removal from wood biomass are determined. The mathematical model allows to calculate the drying time, as well as the mass evaporation rate for different sizes of wood sample, humidity and temperature conditions.

AB - For the first time, a mathematical model for the drying of woody biomass during conductive heating with localization of the evaporation front has been formulated. The processes of moisture removal during the filtration of steam through the porous structure of the material at an ambient temperature of Te = 373 K were considered. Humidity was varied (in the range from 6% to 40%) and dimensions of wood blanks (Rd = 0.0035-0.035 m). Based on the results of numerical simulation, the conditions and characteristics (evaporation rate Wisp, drying time τ dry) of the process of moisture removal from wood biomass are determined. The mathematical model allows to calculate the drying time, as well as the mass evaporation rate for different sizes of wood sample, humidity and temperature conditions.

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Mathematical modeling of processes of heat and mass transfer during drying of wood biomass

Abstract

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