Table 1 The characteristic geometries obtained from the micro-CT imaging (see34 for full details) that are used as the input parameters for the model.

From: The transport of liquids in softwood: timber as a model porous medium

 

Entire specimen

Early-wood phase

Late-wood phase

Specimen 1

Proportion of volume

1

α = 0.83

(1 − α) = 0.17

Measured porosity

0.73

0.75

0.63

Tracheid radius

rT = 15.8 μm

re = 16.6 ± 3.3 μm

rl = 11.5 ± 3.1 μm

Specimen 2

Proportion of volume

1

α = 0.88

(1 − α) = 0.12

Measured porosity

0.75

0.76

0.63

Tracheid radius

rT = 16.6 μm

re = 17.2 ± 2.9 μm

rl = 11.5 ± 2.4 μm

Specimen 3

Proportion of volume

1

α = 0.89

(1 − α) = 0.11

Measured porosity

0.75

0.76

0.63

Tracheid radius

rT = 16.7 μm

re = 17.1 ± 2.7 μm

rl = 11.8 ± 2.0 μm

  1. Where provided, the tolerances indicate the standard deviation obtained and input into the statistical-wood model.
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