Fig. 10
From: Pore-scale influence of surfactants on evaporation in a porous medium
The advancing menisci used for contact angle measurements of different fluids when the normalized liquid saturation is 0.5. (a) Pure water; (b) 0.10 wt.% SDS; (c) 0.23 wt.% SDS; (d) 0.30 wt.% SDS; (e) 0.50 wt.% SDS.
