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Table 5 Fitting parameters of different models

From: Experimental study on capillary water absorption of sandstones from different grotto heritage sites in China

Sample Hall’s model Feng and Janssen’s model
Acap m n R2 Acap b c R2
YG 0.914 0.025 0.196 0.996 0.948 14.239 -0.985 0.996
DZ 0.756 0.021 0.000 0.997 0.824 12.796 -1.047 0.998
LS 1.689 0.067 1.070 0.978 2.413 6.653 -1.453 0.998