Figure 5

Foam slipping force F FR as a function of capillary number Ca for different foam qualities Γ. The slopes of the straight line fit are listed. Concentration of SDBS and silica nanoparticles of the foam were 0.1 wt% and 0.5 wt%, respectively.

Foam slipping force F FR as a function of capillary number Ca for different foam qualities Γ. The slopes of the straight line fit are listed. Concentration of SDBS and silica nanoparticles of the foam were 0.1 wt% and 0.5 wt%, respectively.