The validity of Darcy's law in the axial penetration of wood

@article{Bramhall2005TheVO,
  title={The validity of Darcy's law in the axial penetration of wood},
  author={George Bramhall},
  journal={Wood Science and Technology},
  year={2005},
  volume={5},
  pages={121-134}
}
Longitudinal air permeability measurements were made on specimens of British Columbia Interior and Coastal types of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) sapwood and heartwood, kiln dried and solvent dried, which were successively reduced in length from 3.5 to 0.5 cm. Most sapwood, which was quite permeable, was found to obey Darcy's law with respect to length. Heartwood and kiln-dried Interior sapwood specimens were less permeable, and were found to deviate from Darcy's law. A… CONTINUE READING
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