382639.fig.004a
(a)
382639.fig.004b
(b)
382639.fig.004c
(c)
382639.fig.004d
(d)
382639.fig.004e
(e)
382639.fig.004f
(f)
Figure 4: (a, b) Electric field intensity profile of the needleless melt-electrospinning setup using a disc with the diameter of (a) 32 mm and (b) 40 mm; (c, d) electric field isosurface of the profiles; (e) electric field intensity profile from the top of the disc to the centre of the collector; (f) electric field intensity profile along the disc edges (Applied voltage = 60 kV; collecting distance = 16 cm).