Controlled microdroplet transport in an atmospheric pressure microplasma

Paul Maguire, CMO Mahony, Colin Kelsey, AJ Bingham, EP Montgomery, ED Bennet, HE Potts, DCE Rutherford, D A McDowell, DA Diver, D Mariotti

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We report the controlled injection of near-isolated micron-sized liquid droplets into a low temperature He-Ne steady-state rf plasma at atmospheric pressure. The H2O droplet stream is constrained within a 2 mm diameter quartz tube. Imaging at the tube exit indicates a log-normal droplet size distribution with an initial count mean diameter of 15lm falling to 13lm with plasma exposure. The radial velocity profile is approximately parabolic indicating near laminar flow conditions with the majority of droplets travelling at>75% of the local gas speed and having a plasma transit time of
LanguageEnglish
Pages224101
JournalApplied Physics Letters
Volume106
DOIs
Publication statusPublished - 29 May 2015

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microplasmas
atmospheric pressure
tubes
transit time
laminar flow
falling
radial velocity
quartz
velocity distribution
injection
liquids
gases

Keywords

  • Atmospheric pressure plasmas

Cite this

Maguire, Paul ; Mahony, CMO ; Kelsey, Colin ; Bingham, AJ ; Montgomery, EP ; Bennet, ED ; Potts, HE ; Rutherford, DCE ; McDowell, D A ; Diver, DA ; Mariotti, D. / Controlled microdroplet transport in an atmospheric pressure microplasma. In: Applied Physics Letters. 2015 ; Vol. 106. pp. 224101.
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Maguire, P, Mahony, CMO, Kelsey, C, Bingham, AJ, Montgomery, EP, Bennet, ED, Potts, HE, Rutherford, DCE, McDowell, DA, Diver, DA & Mariotti, D 2015, 'Controlled microdroplet transport in an atmospheric pressure microplasma', Applied Physics Letters, vol. 106, pp. 224101. https://doi.org/10.1063/1.4922034

Controlled microdroplet transport in an atmospheric pressure microplasma. / Maguire, Paul; Mahony, CMO; Kelsey, Colin; Bingham, AJ; Montgomery, EP; Bennet, ED; Potts, HE; Rutherford, DCE; McDowell, D A; Diver, DA; Mariotti, D.

In: Applied Physics Letters, Vol. 106, 29.05.2015, p. 224101.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Controlled microdroplet transport in an atmospheric pressure microplasma

AU - Maguire, Paul

AU - Mahony, CMO

AU - Kelsey, Colin

AU - Bingham, AJ

AU - Montgomery, EP

AU - Bennet, ED

AU - Potts, HE

AU - Rutherford, DCE

AU - McDowell, D A

AU - Diver, DA

AU - Mariotti, D

PY - 2015/5/29

Y1 - 2015/5/29

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AB - We report the controlled injection of near-isolated micron-sized liquid droplets into a low temperature He-Ne steady-state rf plasma at atmospheric pressure. The H2O droplet stream is constrained within a 2 mm diameter quartz tube. Imaging at the tube exit indicates a log-normal droplet size distribution with an initial count mean diameter of 15lm falling to 13lm with plasma exposure. The radial velocity profile is approximately parabolic indicating near laminar flow conditions with the majority of droplets travelling at>75% of the local gas speed and having a plasma transit time of

KW - Atmospheric pressure plasmas

U2 - 10.1063/1.4922034

DO - 10.1063/1.4922034

M3 - Article

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SP - 224101

JO - Applied Physics Letters

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SN - 0003-6951

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