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    Author(s): William T. Simpson
    Date: 1980
    Source: Res. Pap. FPL-377. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1980: 8 pages
    Publication Series: Research Paper (RP)
    Station: Forest Products Laboratory
    PDF: View PDF  (220 KB)

    Description

    For most uses hardwoods are dried as entire boards that include all defective portions discarded after drying. The United States has a large resource of low-quality hardwoods and the potential exists for significant savings in energy and in dryer capacity by cutting out defects before drying. One approach could use radio frequency drying. In this investigation short lengths of northern red oak were dried rapidly, but energy consumption and honeycomb were excessive in drying to low moisture levels. However, rapid radio-frequency dielectric drying to 25 to 30 percent moisture content followed by more conventional finish drying may hold technical promise.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Simpson, William T. 1980. Radio-frequency dielectric drying of short lengths of northern red oak. Res. Pap. FPL-377. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1980: 8 pages

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    Keywords

    Northern red oak, radio-frequency drying, dielectric drying, short length wood

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https://www.fs.usda.gov/treesearch/pubs/8933