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Original Articles

Growth rate and oscillation frequency of electrified jet and droplet: Effects of charge and electric field

, , &
Pages 1070-1082 | Received 18 May 2018, Accepted 11 Jul 2018, Published online: 15 Aug 2018

Figures & data

Figure 1. Schematic of a 3D Mode.

Figure 1. Schematic of a 3D Mode.

Table 1. Summary of the dispersion equations for an electrified jet of various authors.

Figure 2. Effect of the charging level Γe on the growth rate ω at m = 0 and b/a = 10.

Figure 2. Effect of the charging level Γe on the growth rate ω at m = 0 and b/a = 10.

Figure 3. The effect of the charging level Γe on the growth rate ω at m = 1 and b/a = 10.

Figure 3. The effect of the charging level Γe on the growth rate ω at m = 1 and b/a = 10.

Figure 4. Effect of the charging level Γe on the growth rate ω at m = 2 and b/a = 10.

Figure 4. Effect of the charging level Γe on the growth rate ω at m = 2 and b/a = 10.

Figure 5. Effect of the charging level Γe on the growth rate ω for various modes of (a) m = 0, (b) m = 1, (c) m = 2, (d) m = 3, (e) m = 4, and (f) m = 5 at b/a = 2.71.

Figure 5. Effect of the charging level Γe on the growth rate ω for various modes of (a) m = 0, (b) m = 1, (c) m = 2, (d) m = 3, (e) m = 4, and (f) m = 5 at b/a = 2.71.

Figure 6. Effect of the ground location b/a (or electric field) on the growth rate squared (ω2) at Γe = 9.

Figure 6. Effect of the ground location b/a (or electric field) on the growth rate squared (ω2) at Γe = 9.

Figure 7. Effect of circumferential wavenumber or mode m on the growth rate squared (ω2) at Γe = 9 and b/a = 5.

Figure 7. Effect of circumferential wavenumber or mode m on the growth rate squared (ω2) at Γe = 9 and b/a = 5.

Figure 8. Effect of the charging level (Γe) on the most dominant wavelength (λ) for various modes m at b/a = 5.

Figure 8. Effect of the charging level (Γe) on the most dominant wavelength (λ) for various modes m at b/a = 5.

Figure 9. Effect of the charging level Γe on the frequency of oscillation squared ωi2 for various modes m of a cylindrical jet at b/a = 10.

Figure 9. Effect of the charging level Γe on the frequency of oscillation squared ωi2 for various modes m of a cylindrical jet at b/a = 10.

Figure 10. Effect of the ground location b/a or electric field on the frequency of oscillation squared ωi2 for various modes m of a cylindrical jet at Γe = 10.

Figure 10. Effect of the ground location b/a or electric field on the frequency of oscillation squared ωi2 for various modes m of a cylindrical jet at Γe = 10.

Figure 11. Effect of the charging level Γe on the frequency of oscillation squared ωi2 for various modes m of a spherical droplet.

Figure 11. Effect of the charging level Γe on the frequency of oscillation squared ωi2 for various modes m of a spherical droplet.

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