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  1. Effect of air velocity on the drying rate of single eastern white pine boards

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    Author(s): W. T. Simpson
    Date: 1997
    Source: (Research note FPL ; RN-0266):5 p. : ill. ; 28 cm.
    Publication Series: Research Note (RN)
    Station: Forest Products Laboratory
    DOI: https://doi.org/10.2737/FPL-RN-266
    PDF: View PDF  (252 KB)

    Description

    The qualitative effect of air velocity on drying rate of lumber has long been known. This report provides quantification of the effects of air velocity on drying rate of individual eastern white pine boards. An empirical equation correlating moisture content with time during drying was used to aid in the analysis. The drying rate increased with air velocity for moisture contents above approximately 40% to 50%. The drying rate gradually decreased and tended to level off with air velocities above 3.05 to 3.56 m/s (600 to 700 ft/min) and moisture contents below approximately 80% to 90%. The results provide guidelines for selecting experimental air velocities in full-scale kiln tests.

    Publication Notes

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    Citation

    Simpson, W. T. 1997. Effect of air velocity on the drying rate of single eastern white pine boards. (Research note FPL ; RN-0266):5 p. : ill. ; 28 cm.

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    Keywords

    Drying, Lumber, Air flow, Pinus strobus, Air dryin, Drying rate

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