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Surface mass transfer coefficients for wood

In English

Författare

Summary, in English

Experimentally determined mass transfer coefficients for wood surfaces are often much lower than theoretically and experimentally determined coefficients for other surfaces. An investigation of this is made by comparing mass transfer coefficients for water and saturated non-wood surfaces, with coefficients measured for wood surfaces. It is found that measurements on wood surfaces are usually evaluated by assuming that Fick's law describes diffusion in wood. As this is not always true, it is proposed that the mass transfer coefficients measured on wood surfaces are low because the internal mass transfer in wood is not well understood. New measurements are presented which support this conclusion

Publiceringsår

1993

Språk

Engelska

Sidor

1227-1249

Publikation/Tidskrift/Serie

Drying Technology

Volym

11

Issue

6

Dokumenttyp

Artikel i tidskrift

Förlag

TAPPI

Ämne

  • Materials Engineering

Nyckelord

  • water vapor
  • surface resistance
  • surface emissivity
  • measurement
  • analysis

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1532-2300