Journal article
Energy transport in a shear flow of particles in a two-dimensional dusty plasma
Physical review. E, Statistical, nonlinear, and soft matter physics, Vol.86(5 Pt 2), pp.056403-056403
11/2012
DOI: 10.1103/PhysRevE.86.056403
PMID: 23214892
Abstract
A shear flow of particles in a laser-driven two-dimensional (2D) dusty plasma is observed in a study of viscous heating and thermal conduction. Video imaging and particle tracking yields particle velocity data, which we convert into continuum data, presented as three spatial profiles: mean particle velocity (i.e., flow velocity), mean-square particle velocity, and mean-square fluctuations of particle velocity. These profiles and their derivatives allow a spatially resolved determination of each term in the energy and momentum continuity equations, which we use for two purposes. First, by balancing these terms so that their sum (i.e., residual) is minimized while varying viscosity 𝜂 and thermal conductivity 𝜅 as free parameters, we simultaneously obtain values for 𝜂 and 𝜅 in the same experiment. Second, by comparing the viscous heating and thermal conduction terms, we obtain a spatially resolved characterization of the viscous heating.
Details
- Title: Subtitle
- Energy transport in a shear flow of particles in a two-dimensional dusty plasma
- Creators
- Yan Feng - University of IowaJ Goree - University of IowaBin Liu - University of Iowa
- Resource Type
- Journal article
- Publication Details
- Physical review. E, Statistical, nonlinear, and soft matter physics, Vol.86(5 Pt 2), pp.056403-056403
- DOI
- 10.1103/PhysRevE.86.056403
- PMID
- 23214892
- NLM abbreviation
- Phys Rev E Stat Nonlin Soft Matter Phys
- ISSN
- 1539-3755
- eISSN
- 1550-2376
- Publisher
- American Physical Society
- Language
- English
- Date published
- 11/2012
- Academic Unit
- Physics and Astronomy; Mechanical Engineering
- Record Identifier
- 9984199823802771
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