Table 1 Relevant parameters of the evolution model of thermal effusivity

From: The effect of dry-wet cycles in sodium sulfate solution on the thermal effusivity of grotto sandstone

Cycle number

Model parameter

\(\overline{\vartheta }\)

\(\vartheta\)

p

d

\(\overline{p}\)

\(\overline{d}\)

a

b

c

0

21.83%

0

1

0

3748

−1.42

500

1405.94

1402.38

1

22.54%

0

1.01

0

3748

−1.43

500

1392.97

1312.92

2

27.31%

2

1.07

0.04

3748

−1.61

500

1246.29

1178.69

3

28.95%

3

1.09

0.05

3748

−1.67

500

1194.25

1059.95

4

30.90%

6

1.11

0.11

3748

−1.85

500

1087.91

1024.14

5

32.65%

12

1.13

0.22

3748

−2.15

500

936.33

966.49

6

33.34%

14

1.14

0.25

3748

−2.25

500

894.59

1023.08

7

33.11%

18

1.13

0.33

3748

−2.43

500

830.04

900.65