Enhanced stability of electrohydrodynamic jets through gas ionization

Sibel Korkut, Dudley A. Saville, Ilhan A. Aksay

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Theoretical predictions of the nonaxisymmetric instability growth rate of an electrohydrodynamic jet based on the measured total current overestimate experimental values. We show that this apparent discrepancy is the result of gas ionization in the surrounding gas and its effect on the surface charge density of the jet. As a result of gas ionization, a sudden drop in the instability growth rate occurs below a critical electrode separation, yielding highly stable jets that can be used for nano- to microscale printing.

Original languageEnglish (US)
Article number034503
JournalPhysical review letters
Volume100
Issue number3
DOIs
StatePublished - Jan 25 2008

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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