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Wood drying

One-dimensional numerical solution of the diffusion equation to describe wood drying: comparison with two- and three-dimensional solutions

One-dimensional numerical solution of the diffusion equation to describe wood drying: comparison with two- and three-dimensional solutions

... describe drying processes of wood [1, 11, ...describe drying of lumber cut in the radial direction all-heartwood specimen of Douglas-fir (Pseudotsuga menziessi ...slab wood dried with hot air ...

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Grey Correlation Analysis of Factors Affecting Wood Drying in PCM Thermal Storage Solar Drying System

Grey Correlation Analysis of Factors Affecting Wood Drying in PCM Thermal Storage Solar Drying System

... The results of above importance ranking from the previous matrix A, B and C disagree with each other, which is because the calculation algorithm of each correlation degree pays to its special attention. Here the main ...

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System Identification of Wood Drying Process Based on ARMAX Model

System Identification of Wood Drying Process Based on ARMAX Model

... This article presents system identification of wood drying process based on ARMAX model. Temperature and equivalent moisture content are consid- ered as inputs, and moisture content of the wood ...

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Optimal Design of Fan Airflow Guiding Device in the Wood Drying Kiln

Optimal Design of Fan Airflow Guiding Device in the Wood Drying Kiln

... drying chamber on fan airflow guiding device for optimization design research, making the heat air supply uniform, and improve the drying efficiency, reduce drying costs. This paper through improving ...

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Studies on pre-treatment by compression for wood drying II: effects of compression ratio, compression direction and compression speed on the recovery rate and mechanical properties of wood

Studies on pre-treatment by compression for wood drying II: effects of compression ratio, compression direction and compression speed on the recovery rate and mechanical properties of wood

... of wood, the recovery rate (RR) is an unavoidable important factor affecting the volume of wood and there- fore the value of ...in wood utiliza- tion, how the mechanical properties change after the ...

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Studies on pre-treatment by compression for wood drying I: effects of compression ratio, compression direction and compression speed on the reduction of moisture content in wood

Studies on pre-treatment by compression for wood drying I: effects of compression ratio, compression direction and compression speed on the reduction of moisture content in wood

... for wood drying was systematically studied in terms of effects of compression ratio, compression direction and compres- sion speed on the reduction of MC in Poplar and Chinese ...round wood and ...

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Isolation of diterpenoids from sugi wood-drying byproducts and their bioactivities

Isolation of diterpenoids from sugi wood-drying byproducts and their bioactivities

... Diterpenoids are the main components of the byproducts discharged from sugi wooddrying process (BWP), making BWP a source of these useful compounds. Since there is no method for purifying these compounds ...

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New separation method for terpenoids in byproducts discharged during sugi wood-drying process, and purification of ferruginol

New separation method for terpenoids in byproducts discharged during sugi wood-drying process, and purification of ferruginol

... Abstract In this study, we developed a new method to separate terpenoids from byproducts discharged during sugi wood-drying process by solvent-assisted-distillation (SAD). First, the sample was distillated ...

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The analysis of condensate fluid from wood drying in the condensation drying kiln

The analysis of condensate fluid from wood drying in the condensation drying kiln

... the drying process and the results show the content of certain volatile organic ...from drying of spruce timbre of 24mm of ...scale drying kiln, located in the MUAF, when the moisture of the lumber ...

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Comparing Two Different Approaches in Modeling Small Diameter Energy Wood Drying in Logwood Piles

Comparing Two Different Approaches in Modeling Small Diameter Energy Wood Drying in Logwood Piles

... presented drying models for soft and hardwoods, for loblolly pine (Pinus taeda ...through drying using non-linear ...since drying, initial moisture content, cumulative precipitation and poten- tial ...

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Wood drying process: impact on Scots pine lumber durability

Wood drying process: impact on Scots pine lumber durability

... the drying process may have negative effects on the natural durability of ...various drying processes on the durability of Scots pine lumber has been evaluated with mass loss in a decay test with brown rot ...

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General model of wood in typical coupled tasks. Part I. – Phenomenological approach

General model of wood in typical coupled tasks. Part I. – Phenomenological approach

... in wood material in wood drying process, but is also suitable for a lot of diff erent tasks of similar ...microwave drying of wood with orthotropic, visco- elastic material properties ...

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Utilization of Eha (Cartanopsis buruana Miq) based on its Wood Anatomical Structure and Fiber Dimension

Utilization of Eha (Cartanopsis buruana Miq) based on its Wood Anatomical Structure and Fiber Dimension

... the wood, drying, and also ...toward wood drying ...the wood, including ray cells, the dense node on radial walls, and amount of membrane cells radially and ...The drying rate of ...

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Electricity and Heat Production by Biomass

Electricity and Heat Production by Biomass

... using wood biomass as ...waste wood to be used as an energy source. Waste wood unsuitable for the lumber industry is ground into bio- mass of G50 size, whose chips are on average 3 - 5 cm and up to 8 ...

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Validation of Prediction Models for Estimating the Moisture Content of Small Diameter Stem Wood

Validation of Prediction Models for Estimating the Moisture Content of Small Diameter Stem Wood

... The drying season (from April to October 2012) was unfavourable for wood ...the drying season (from April to the beginning of June 2013), the precipitation was in total ...

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Three mechanisms affecting the mechanical properties of spruce wood dried at high temperatures

Three mechanisms affecting the mechanical properties of spruce wood dried at high temperatures

... Abstract Wood drying experiments are conducted in which the temperature and the drying rate are controlled indepen- ...to drying processes, at least three mechanisms are believed to contribute ...

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The Optimization of Parameters for the Spray Drying Process of Wood Apple Extract using Response Surface Methodology

The Optimization of Parameters for the Spray Drying Process of Wood Apple Extract using Response Surface Methodology

... Wood apple fruits are cheap and can be used in the research to develop of nutraceutical using for diabetes [8] [9]. Antioxidant capacities of bioactive compounds in the fruits were positive correlation with ...

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Effects of high temperature kiln drying on the practical performances of Japanese cedar wood (Cryptomeria japonica) I: changes in hygroscopicity due to heating

Effects of high temperature kiln drying on the practical performances of Japanese cedar wood (Cryptomeria japonica) I: changes in hygroscopicity due to heating

... of drying, the sur- face cracks are drastically reduced probably because of the thermal softening of the wood involves the effective relax- ation of drying ...high-temperature drying has ...

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Biomass Gasification - A Review

Biomass Gasification - A Review

... the material at high temperatures (>700 °C), without combustion, with a controlled amount of oxygen and/or steam. In gasification the combustion is carried at sub-stoichiometric conditions with air-to-fuel ratio being ...

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Evaluation of animal logging in the mixed broadleaved mountain forest: Economic and environmental impacts

Evaluation of animal logging in the mixed broadleaved mountain forest: Economic and environmental impacts

... In this study, the mule logging crew was used for forestry exclusively, who consisted of two mules and three workers, both mules were young and they were in good body condition and no wound was identified on the mule ...

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