Table 5 Effective transport parameters κe and βe and their confidence regions σ(κe) and σ(βe) evaluated for a confidence level of 95.45%, the minima of χ2 and the goodness-of-fit G

From: Bohemian sandstone for restoration of cultural heritage sites: 3D microstructure and mass transport properties

Run\quantity

ℓ

ω

κe, nm

σ(κe), nm

βe, μm2

σ(βe), μm2

\({\upchi }_{\mathrm{min}}^{2}\)

G

N2

7

1519

1290

 ± 190

3.992

 ± 7.8 × 10−2

1180

1.000

Ar

10

2102

1170

 ± 180

4.058

 ± 8.9 × 10−2

2175

0.072

N2, Ar

17

3613

1220

 ± 160

4.024

 ± 7.4 × 10−2

3324

0.999

  1. The standard deviation σp was 0.33 Pa for all data pairs
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