Table 2.

Comparison of the study results to literature data

Porous media	Porosity	Flow scenarios	Sna	Anwb (cm−1)	Amc (cm−1)	Calculation method	Source of data
Glass beads	0.42	PDd	0.23–0.51h	6.9–16.7	32.3±4i (R2=0.99)j	Linear regressionk	This study
	0.42	SIe	0.44-0.14	15.3–4.1	35.7±5 (R2=0.99)	Linear regression	This study
	0.38	Residualg	0.09±0.02	2.9±2.4	35.0±30	Mean of 4 replicates	Narter et al., 2010
Sand-45/50	0.37	PD	0.34–0.53	105–136	274±38 (R2=0.99)	Linear regression	This study
	0.37	SI	0.41–0.21	89–52	235±27 (R2=0.99)	Linear regression	This study
	0.37	SDf	0.35–0.51	192–323	581±160 (R2=0.99)	Linear regression	This study
	0.37	Residual	0.20	68±19	341±96	Mean of 4 replicates	Brusseau et al., 2008
	0.40	Residual	0.15	68±15	455±102	Mean of 4 replicates	Brusseau et al., 2008
Vinton soil	0.39	PD	0.21	1575	7629	Single runl	This study
	0.39	SI	0.17	1330	7623	Single run	This study
	0.42	Residual	0.14	1098±501	8075±3794	Mean of 4 replicates	Brusseau et al., 2010

^aS_n = saturation of organic liquid.

^bA_nw = interfacial area calculated employing equation (3) in text.

^cA_m = the extrapolated maximum interfacial area employing equation A_nw=A_mS_n.

^dPD = primary drainage.

^eSI = secondary imbibition.

^fSD = secondary drainage.

^gResidual NW saturation created during secondary imbibition.

^hminimum and maximum values.

ⁱ95% confidence interval by using the uncertainty for the regression slope variable.

^jR = Correlation coefficient of linear regression A_nw=A_mS_n.

^kFit A_nw=A_mS_n to the data points of various S_n

^lA_m obtained using A_nw=A_mS_n assumption