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The Drying Rate of Sugar Maple as Affected by Relative Humidity and Air Velocity

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How long does it take to kiln dry sugar maple? The answer looks simple, but is it? Dry kilns vary from hand controlled natural circulation to latest type with automatic controls of both temperature and humidity. In between are remodeled types. The author lists and discusses seven factors such as proportion of heartwood and sapwood, original and final moisture content, proper temperature, humidity and air velocity, which must be correlated so as to bring about uniform drying conditions and satisfactory kiln dried lumber. A thorough understanding of the relation of these factors is essential not only in designing or remodeling dry kilns, but in their operation.

Document Type: Journal Article

Affiliations: Forest Products Laboratory, Maintained at Madison, Wis., in cooperation with the University of Wisconsin

Publication date: March 1, 1942

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.

    Also published by SAF:
    Forest Science
    Other SAF Publications
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