Tracer particles for application to PIV studies of liquid helium

Material selection and methods for introduction of tracer particles into liquid helium are reviewed for application in particle image velocimetry experiments. The combination of low temperature environment and low-density fluid place unique requirements on particle selection. Options discussed inclu...

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Bibliographic Details
Published in:Journal of low temperature physics 2004-02, Vol.134 (3-4), p.985-1000
Main Authors: ZHANG, T, CELIK, D, VAN SCIVER, S. W
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Other topics in quantum fluids and solids
liquid and solid helium
Physics
Quantum fluids and solids
liquid and solid helium
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Description
Summary:Material selection and methods for introduction of tracer particles into liquid helium are reviewed for application in particle image velocimetry experiments. The combination of low temperature environment and low-density fluid place unique requirements on particle selection. Options discussed include a variety of commercially available solid particles of different size and density as well as solid particles generated by freezing liquids or gases. Recommendations are presented based on the dynamic behavior of the particles. Also, methods for introducing the particles into liquid helium are discussed.
ISSN:0022-2291
1573-7357
DOI:10.1023/b:jolt.0000013213.61721.51