Scaling laws for pulsed electrohydrodynamic drop formation

C. H. Chen; D. A. Seville; Ilhan A. Aksay

doi:10.1063/1.2356891

Scaling laws for pulsed electrohydrodynamic drop formation

C. H. Chen, D. A. Seville, Ilhan A. Aksay

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

139 Scopus citations

Abstract

A pulsed electrohydrodynamic jet can produce on-demand drops much smaller than the delivery nozzle. This letter describes an experimentally validated model for electrically pulsed jets. Viscous drag in a thin nozzle limits the flow rate and leads to intrinsic pulsations of the cone jet. A scale analysis for intrinsic cone-jet pulsations is derived to establish the operating regime for drop deployment. The scaling laws are applicable to similar electrohydrodynamic processes in miniaturized electrospraying systems.

Original language	English (US)
Article number	124103
Journal	Applied Physics Letters
Volume	89
Issue number	12
DOIs	https://doi.org/10.1063/1.2356891
State	Published - 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2356891

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title = "Scaling laws for pulsed electrohydrodynamic drop formation",

abstract = "A pulsed electrohydrodynamic jet can produce on-demand drops much smaller than the delivery nozzle. This letter describes an experimentally validated model for electrically pulsed jets. Viscous drag in a thin nozzle limits the flow rate and leads to intrinsic pulsations of the cone jet. A scale analysis for intrinsic cone-jet pulsations is derived to establish the operating regime for drop deployment. The scaling laws are applicable to similar electrohydrodynamic processes in miniaturized electrospraying systems.",

author = "Chen, {C. H.} and Seville, {D. A.} and Aksay, {Ilhan A.}",

note = "Funding Information: This work was supported by Directed Technologies Inc., NASA Biologically Inspired Materials Institute (BIMat) under Award No. NCC-1-02037, and ARO-MURI under Award No. W911NF-04-1-0170. The authors thank S. Korkut for helpful discussions and D. M. Dabbs in the preparation of the letter. Copyright: Copyright 2011 Elsevier B.V., All rights reserved.",

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AU - Seville, D. A.

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PY - 2006

Y1 - 2006

N2 - A pulsed electrohydrodynamic jet can produce on-demand drops much smaller than the delivery nozzle. This letter describes an experimentally validated model for electrically pulsed jets. Viscous drag in a thin nozzle limits the flow rate and leads to intrinsic pulsations of the cone jet. A scale analysis for intrinsic cone-jet pulsations is derived to establish the operating regime for drop deployment. The scaling laws are applicable to similar electrohydrodynamic processes in miniaturized electrospraying systems.

AB - A pulsed electrohydrodynamic jet can produce on-demand drops much smaller than the delivery nozzle. This letter describes an experimentally validated model for electrically pulsed jets. Viscous drag in a thin nozzle limits the flow rate and leads to intrinsic pulsations of the cone jet. A scale analysis for intrinsic cone-jet pulsations is derived to establish the operating regime for drop deployment. The scaling laws are applicable to similar electrohydrodynamic processes in miniaturized electrospraying systems.

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Scaling laws for pulsed electrohydrodynamic drop formation

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