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Applied Physics Letters / Volume 99 / Issue 20 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 99, 204103 (2011); http://dx.doi.org/10.1063/1.3662042 (3 pages)

Confocal imaging of laminar and turbulent mixing in a microscale multi-inlet vortex nanoprecipitation reactor

Yanxiang Shi1, Rodney O. Fox1, and Michael G. Olsen2

1Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, USA
2Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA

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(Received 25 September 2011; accepted 26 October 2011; published online 16 November 2011)

Mass production of functional nanoparticles may be realized through flash nanoprecipiation in microscale reactors such as the multi-inlet vortex reactor (MIVR). A comprehensive understanding of mixing in the MIVR is required for process control and reactor design. Mixing in the MIVR is studied using a technique coupling laser induced fluorescence with confocal laser scanning microscopy. It is shown to provide meaningful qualitative and statistical data of the scalar field for analysis and comparison with numerical simulations. Data were collected for four flow rates, showing that mixing is incomplete even at the highest flow rate.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

flow visualisation, laminar flow, laminar to turbulent transitions, microreactors, mixing, nanoparticles, nanotechnology, vortices

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3662042

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    B. K. Johnson and R. K. Prud'homme, Phys. Rev. Lett. 91, 118302 (2003).

    J. C. Cheng, M. G. Olsen, and R. O. Fox, Appl. Phys. Lett. 94, 204104 (2009)APPLAB000094000020204104000001.


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