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  • Effect of high temperature drying on bending and shear strengths of western hemlock

    Creator:
    Thiam, Massamba
    Abstract:
    The advantages of high-temperature drying are faster drying, reduced inventory, reduced energy requirements, and reduced equilibrium moisture content. However the disadvantages are higher initial costs of the kiln, greater power needs, knot dropout, and reduction in some strength properties. The latter was the subject of this study. Three hundred pieces...
    Resource Type:
    Masters Thesis
    Full Text:
    of High Temperature Drying on Bending and Shear Strengths of Western Hemlock. Michael R. Milota

  • The impact of wood variability on the drying rate at different moisture content levels

    Creator:
    Berberović, Adin
    Abstract:
    Variability in wood properties causes boards within a stack of lumber to dry at different rates and reach different moisture content levels after drying is completed. The consequence is that the boards will have properties that differ from ones that were intended to be achieved by the drying process. The...
    Resource Type:
    Dissertation
    Full Text:
    presented on July 15, 2010 Title: The Impact of Wood Variability on the Drying Rate at Different

  • Modeling the fixed bed drying characteristics of biomass particles

    Creator:
    Yang, Hai
    Abstract:
    The fixed bed drying of western hemlock and Douglas-fir biomass particles at temperatures ranging from 50°C to 200°C and air velocities from 0.3 to 0.9 m/s was investigated. The objectives were to describe the drying characteristics of the particles, fit a model for thin-layer drying, and develop and test a...
    Resource Type:
    Masters Thesis
    Full Text:
    fixed bed drying of western hemlock and Douglas-fir biomass particles at temperatures ranging from 50

  • Numerical simulation of wood drying

    Creator:
    Berberovic, Adin
    Abstract:
    A mathematical and then a numerical model were developed for simulating a convective batch lumber drying process. The model incorporates mass and heat transfer relationships within the lumber stack, as well as thermodynamic properties of the wood and drying air. It takes into account a change of air properties along...
    Resource Type:
    Masters Thesis
    Full Text:
    empirical correlations based on single-board tests. The drying rate function for hemlock was