Scaling laws for jet pulsations associated with high-resolution electrohydrodynamic printing

Hong Kyoon Choi; Jang Ung Park; O. Ok Park; Placid M. Ferreira; John G. Georgiadis; John A. Rogers

doi:10.1063/1.2903700

Scaling laws for jet pulsations associated with high-resolution electrohydrodynamic printing

Hong Kyoon Choi, Jang Ung Park, O. Ok Park, Placid M. Ferreira, John G. Georgiadis, John A. Rogers

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

112 Citations (Scopus)

Abstract

This paper presents simple scaling laws that describe the intrinsic pulsation of a liquid jet that forms at the tips of fine nozzles under electrohydrodynamically induced flows. The jet diameter is proportional to the square root of the nozzle size and inversely proportional to the electric field strength. The fundamental pulsation frequency is proportional to the electric field strength raised to the power of 1.5. These scaling relationships are confirmed by experiments presented here and by data from the literature. The results are important for recently developed high-resolution ink jet printing techniques and other applications using electrohydrodynamics.

Original language	English
Article number	123109
Journal	Applied Physics Letters
Volume	92
Issue number	12
DOIs	https://doi.org/10.1063/1.2903700
Publication status	Published - 2008

Bibliographical note

Funding Information:
The authors acknowledge the nano-CEMMS Center at University of Illinois, which is funded by NSF under Grant No. DMI-0328162. H. K. Choi acknowledges the BK21 overseas education program from Korea. H. K. Choi and J.-U. Park equally contributed to this work.

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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abstract = "This paper presents simple scaling laws that describe the intrinsic pulsation of a liquid jet that forms at the tips of fine nozzles under electrohydrodynamically induced flows. The jet diameter is proportional to the square root of the nozzle size and inversely proportional to the electric field strength. The fundamental pulsation frequency is proportional to the electric field strength raised to the power of 1.5. These scaling relationships are confirmed by experiments presented here and by data from the literature. The results are important for recently developed high-resolution ink jet printing techniques and other applications using electrohydrodynamics.",

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AU - Georgiadis, John G.

AU - Rogers, John A.

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AB - This paper presents simple scaling laws that describe the intrinsic pulsation of a liquid jet that forms at the tips of fine nozzles under electrohydrodynamically induced flows. The jet diameter is proportional to the square root of the nozzle size and inversely proportional to the electric field strength. The fundamental pulsation frequency is proportional to the electric field strength raised to the power of 1.5. These scaling relationships are confirmed by experiments presented here and by data from the literature. The results are important for recently developed high-resolution ink jet printing techniques and other applications using electrohydrodynamics.

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Scaling laws for jet pulsations associated with high-resolution electrohydrodynamic printing

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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