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An optimization technique to determine red oak surface and internal moisture transfer coefficients during drying

Simpson, W. T., Liu, J. Y.
1997
Wood and Fiber Science, 29 (4 ): 312-318

Simpson, W. T., Liu, J. Y., (1997), "An optimization technique to determine red oak surface and internal moisture transfer coefficients during drying", Wood and Fiber Science, 29 (4 ): 312-318.
Abstract:
AN OPTIMIZATION TECHNIQUE TO DETERMINE RED OAK

SURFACE AND INTERNAL MOISTURE TRANSFER COEFFICIENTS

DURING DRYING

William T. Simpson

Research Forest

Products Technologist

and

Jen Y. Liu

Research General Engineer

USDA Forest Service1

Forest Products Laboratory

One Gifford Pinchot Drive

Madison, WI 53705-2398

(Received January 1997)

ABSTRACT

Lumber drying involves moisture transfer from the interior of the board to the surface, then from

the surface to the surrounding air. These mechanisms can be characterized by internal and surface

moisture transfer coefficients. This paper describes a least squares method, used in conjunction with

standard mathematics of diffusion analysis, to determine these coefficients, resulting in good agreement

between calculated and experimental drying curves.

Wood and Fiber Science, 29 (4 ), 1997, pp. 312-318

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Related Concepts

Author Information and Other Publications Notes
Simpson, W. T.
  1. Drying hardwood lumber  
Liu, J. Y.
     


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