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Deposition frequency, fdep , with respect to duty cycle under an applied voltage of 3300 V with a fixed voltage frequency fapp = 50 Hz: (a) depositeddroplets; (b) deposition frequencies and frequency ratios of fapp to fdep shown in the above photos; (c) increasing frequency ratio with increasing duty cycle.
Deposition frequency, fdep , with respect to applied voltage frequency, fapp , under 12% duty cycle: (a) droplets deposited under 3000 V; (b) droplets deposited under 3150 V; (c) droplets deposited under 3300 V; (d) deposition frequencies and frequency ratios of fapp to fdep shown in the above photos; (e) deceasing frequency ratio with increasing applied voltage frequency.
A jetting cycle included Taylor cone formation, ejection and contraction of the solution under applied voltage of 3000 V with voltage frequency of 50 Hz: (a) applied duty cycle is 10% and droplet deposition frequency is 50 Hz; (b) applied duty cycle is 15% and droplet deposition frequency is 25 Hz.
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