Fig. 1. Experimental setup of electrohydrodynamic atomization.
Fig. 2. Temporal variation of base radii of PAM droplets after impinging on hydrophobic surface (a) DI water, (b) PAM 5 wt%, (c) PAM 10 wt%, (d) PAM 25 wt%, (e) PAM 40 wt%
Fig. 3. Temporal variation of base radii of glycerol droplets after impinging on hydrophobic surface (a) DI water, (b) Glycerol 20 wt%, (c) Glycerol 50 wt%, (d) Glycerol 70 wt%
Fig. 4. Comparison of impacting behaviors between droplets of PAM 5 wt% and Glycerol 20 wt%.
Fig. 5. Impinging behaviors of Newtonian and non-Newtonian droplets (a) DI water, (b) PAM 5 wt%, (c) Glycerol 20 wt%
Table 1. Physical properties of working fluids.
Table 2. Natural oscillation period of droplets (P2 mode)
References
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