Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification

Wood pretreated by high-intensity microwaves was theoretically studied based on the Maxwell electromagnetic field equations and the heat and mass transfer mechanism of wood. The effects of feeding modes on the temperature field uniformity and energy efficiency were studied using the finite element m...

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Main Authors: Xi Li, Jianxiong Zhang, Chunrong Liao, Hongbin Chen, Yongfeng Luo, Xianjun Li
Format: Article
Language:English
Published: North Carolina State University 2014-11-01
Series:BioResources
Subjects:
Online Access:http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_527_Li_Mathematical_Simulation_Wood_Modification
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author Xi Li
Jianxiong Zhang
Chunrong Liao
Hongbin Chen
Yongfeng Luo
Xianjun Li
author_facet Xi Li
Jianxiong Zhang
Chunrong Liao
Hongbin Chen
Yongfeng Luo
Xianjun Li
author_sort Xi Li
collection DOAJ
description Wood pretreated by high-intensity microwaves was theoretically studied based on the Maxwell electromagnetic field equations and the heat and mass transfer mechanism of wood. The effects of feeding modes on the temperature field uniformity and energy efficiency were studied using the finite element method, and optimized parameters of the rectangular microwave resonant cavity were achieved. The results show that the feeding modes had a great effect on the temperature field uniformity of the wood and the energy efficiency. Compared to the side single-port, the upper single-port, and the upper-under port feeding modes, the two-side ports feeding mode was the best for temperature field uniformity and energy efficiency.
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spelling doaj.art-e39a39a374534ce78e419bee2978fd182022-12-22T03:35:17ZengNorth Carolina State UniversityBioResources1930-21261930-21262014-11-0110152753710.15376/biores.10.1.527-537Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood ModificationXi Li0Jianxiong Zhang1Chunrong Liao2Hongbin Chen3Yongfeng Luo4Xianjun Li5College of Science, Central South University of Forestry and Technology, Changsha, Hunan 410004, China; ChinaCollege of Science, Central South University of Forestry and Technology, Changsha, Hunan 410004, China; ChinaCollege of Science, Central South University of Forestry and Technology, Changsha, Hunan 410004, China; ChinaCollege of Science, Central South University of Forestry and Technology, Changsha, Hunan 410004, China; ChinaCentral South University of Forestry and Technology; ChinaMaterial Science and Engineering School, Central South University of Forestry and Technology, Changsha, Hunan 410004, China; ChinaWood pretreated by high-intensity microwaves was theoretically studied based on the Maxwell electromagnetic field equations and the heat and mass transfer mechanism of wood. The effects of feeding modes on the temperature field uniformity and energy efficiency were studied using the finite element method, and optimized parameters of the rectangular microwave resonant cavity were achieved. The results show that the feeding modes had a great effect on the temperature field uniformity of the wood and the energy efficiency. Compared to the side single-port, the upper single-port, and the upper-under port feeding modes, the two-side ports feeding mode was the best for temperature field uniformity and energy efficiency.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_527_Li_Mathematical_Simulation_Wood_ModificationMicrowave pretreatmentWoodEnergy efficiencyRectangular resonant cavityTemperature distribution
spellingShingle Xi Li
Jianxiong Zhang
Chunrong Liao
Hongbin Chen
Yongfeng Luo
Xianjun Li
Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
BioResources
Microwave pretreatment
Wood
Energy efficiency
Rectangular resonant cavity
Temperature distribution
title Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
title_full Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
title_fullStr Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
title_full_unstemmed Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
title_short Mathematical Simulation and Design of a Rectangular Cavity of Microwave Pretreatment Equipment Used for Wood Modification
title_sort mathematical simulation and design of a rectangular cavity of microwave pretreatment equipment used for wood modification
topic Microwave pretreatment
Wood
Energy efficiency
Rectangular resonant cavity
Temperature distribution
url http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_10_1_527_Li_Mathematical_Simulation_Wood_Modification
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