0

Full Content is available to subscribers

Subscribe/Learn More  >

Visualization and Tracking of Electrospray Droplet Emissions Using Fluorescence and Holographic Techniques

[+] Author Affiliations
Anthony N. Zorzos, Jeffrey S. Guasto, Kenneth S. Breuer

Brown University, Providence, RI

Paper No. IMECE2007-42127, pp. 1047-1057; 11 pages
doi:10.1115/IMECE2007-42127
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 11: Micro and Nano Systems, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4305-X | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

We report results from optical characterization of the stream of droplets emitted from the tip of a Taylor cone. We demonstrate the ability to image and track individual droplets emitted from a Taylor cone using fluorescence microscopy with pulsed laser illumination and statistical particle tracking velocimetry (SPTV). Additionally, we demonstrate the use of holographic imaging to examine the three dimensional electrospray droplet structure. Single-exposed images were used to measure droplet diameters between 1.5 to 2.5 μm for flow rates ranging from 15 to 25 nL/s. Velocity distributions with mean velocities over 40 m/s were obtained from analysis of double-exposure images using SPTV. In addition to droplet size and velocity distributions, we present data on the instability of the tip stream and on the formation and subsequent evolution of the spray cone for emission frequencies over 3.5 MHz.

Copyright © 2007 by ASME

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In