Transport dynamics of self-consistent, near-marginal drift-wave turbulence. II. Characterization of transport by means of passive scalars
Abstract
From theoretical and modeling points of view, following Lagrangian trajectories is the most straightforward way to characterize the transport dynamics. In real plasmas, following Lagrangian trajectories is difficult or impossible. Using a blob of passive scalar (a tracer blob) allows a quasi-Lagrangian view of the dynamics. Using a simple two-dimensional electrostatic plasma turbulence model, this work demonstrates that the evolution of the tracers and the passive scalar field is equivalent between these two fluid transport viewpoints. When both the tracers and the passive scalar evolve in tandem and closely resemble stable distributions, namely, Gaussian distributions, the underlying turbulent transport character can be recovered from the temporal scaling of the second moments of both. This local transport approach corroborates the use of passive scalar as a turbulent transport measurement. The correspondence between the local transport character and the underlying transport is quantified for different transport regimes ranging from subdiffusive to superdiffusive. In conclusion, this correspondence is limited to the initial time periods of the spread of both the tracers and the passive scalar in the given transport regimes
- Authors:
-
- Univ. of Alaska, Fairbanks, AK (United States)
- Univ. Carlos III, Madrid (Spain)
- Publication Date:
- Research Org.:
- Univ. of Alaska, Fairbanks, AK (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1474293
- Alternate Identifier(s):
- OSTI ID: 1371792
- Grant/Contract Number:
- FG02-04ER54741
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics of Plasmas
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 7; Journal ID: ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Citation Formats
Ogata, D., Newman, D. E., and Sánchez, R. Transport dynamics of self-consistent, near-marginal drift-wave turbulence. II. Characterization of transport by means of passive scalars. United States: N. p., 2017.
Web. doi:10.1063/1.4993211.
Ogata, D., Newman, D. E., & Sánchez, R. Transport dynamics of self-consistent, near-marginal drift-wave turbulence. II. Characterization of transport by means of passive scalars. United States. https://doi.org/10.1063/1.4993211
Ogata, D., Newman, D. E., and Sánchez, R. Tue .
"Transport dynamics of self-consistent, near-marginal drift-wave turbulence. II. Characterization of transport by means of passive scalars". United States. https://doi.org/10.1063/1.4993211. https://www.osti.gov/servlets/purl/1474293.
@article{osti_1474293,
title = {Transport dynamics of self-consistent, near-marginal drift-wave turbulence. II. Characterization of transport by means of passive scalars},
author = {Ogata, D. and Newman, D. E. and Sánchez, R.},
abstractNote = {From theoretical and modeling points of view, following Lagrangian trajectories is the most straightforward way to characterize the transport dynamics. In real plasmas, following Lagrangian trajectories is difficult or impossible. Using a blob of passive scalar (a tracer blob) allows a quasi-Lagrangian view of the dynamics. Using a simple two-dimensional electrostatic plasma turbulence model, this work demonstrates that the evolution of the tracers and the passive scalar field is equivalent between these two fluid transport viewpoints. When both the tracers and the passive scalar evolve in tandem and closely resemble stable distributions, namely, Gaussian distributions, the underlying turbulent transport character can be recovered from the temporal scaling of the second moments of both. This local transport approach corroborates the use of passive scalar as a turbulent transport measurement. The correspondence between the local transport character and the underlying transport is quantified for different transport regimes ranging from subdiffusive to superdiffusive. In conclusion, this correspondence is limited to the initial time periods of the spread of both the tracers and the passive scalar in the given transport regimes},
doi = {10.1063/1.4993211},
journal = {Physics of Plasmas},
number = 7,
volume = 24,
place = {United States},
year = {Tue Jul 18 00:00:00 EDT 2017},
month = {Tue Jul 18 00:00:00 EDT 2017}
}
Works referenced in this record:
Passive Scalars in Turbulent Flows
journal, January 2000
- Warhaft, Z.
- Annual Review of Fluid Mechanics, Vol. 32, Issue 1
L AGRANGIAN I NVESTIGATIONS OF T URBULENCE
journal, January 2002
- Yeung, P. K.
- Annual Review of Fluid Mechanics, Vol. 34, Issue 1
Lagrangian views on turbulent mixing of passive scalars
journal, April 2010
- Sreenivasan, Katepalli R.; Schumacher, Jörg
- Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 368, Issue 1916
Particles and fields in fluid turbulence
journal, November 2001
- Falkovich, G.; Gawȩdzki, K.; Vergassola, M.
- Reviews of Modern Physics, Vol. 73, Issue 4
Transport dynamics of self-consistent, near-marginal drift-wave turbulence. I. Investigation of the ability of external flows to tune the non-diffusive dynamics
journal, July 2017
- Ogata, D.; Newman, D. E.; Sánchez, R.
- Physics of Plasmas, Vol. 24, Issue 7
Self-organized criticality and the dynamics of near-marginal turbulent transport in magnetically confined fusion plasmas
journal, November 2015
- Sanchez, R.; Newman, D. E.
- Plasma Physics and Controlled Fusion, Vol. 57, Issue 12
Investigation of the interaction between competing types of nondiffusive transport in drift wave turbulence
journal, May 2017
- Ogata, D.; Newman, D. E.; Sánchez, R.
- Physics of Plasmas, Vol. 24, Issue 5
Edge and SOL turbulence and blob variations over a large database in NSTX
journal, September 2015
- Zweben, S. J.; Davis, W. M.; Kaye, S. M.
- Nuclear Fusion, Vol. 55, Issue 9
Transport properties of energetic particles in a turbulent electrostatic field
journal, March 1997
- Manfredi, G.; Dendy, R. O.
- Physics of Plasmas, Vol. 4, Issue 3
Lessons from hydrodynamic turbulence
journal, April 2006
- Falkovich, Gregory; Sreenivasan, Katepalli R.
- Physics Today, Vol. 59, Issue 4
Scalar turbulence
journal, June 2000
- Shraiman, Boris I.; Siggia, Eric D.
- Nature, Vol. 405, Issue 6787
Dispersion of ideal particles in a two-dimensional model of electrostatic turbulence
journal, December 1999
- Naulin, V.; Nielsen, A. H.; Rasmussen, J. Juul
- Physics of Plasmas, Vol. 6, Issue 12
Turbulent flux and the diffusion of passive tracers in electrostatic turbulence
journal, July 2003
- Basu, Ronni; Jessen, Thomas; Naulin, Volker
- Physics of Plasmas, Vol. 10, Issue 7
Suppression of turbulence and transport by sheared flow
journal, January 2000
- Terry, P. W.
- Reviews of Modern Physics, Vol. 72, Issue 1
Evidence for strange kinetics in Hasegawa-Mima turbulent transport
journal, March 2000
- Annibaldi, S. V.; Manfredi, G.; Dendy, R. O.
- Plasma Physics and Controlled Fusion, Vol. 42, Issue 4
Anomalous diffusion, clustering, and pinch of impurities in plasma edge turbulence
journal, June 2005
- Priego, M.; Garcia, O. E.; Naulin, V.
- Physics of Plasmas, Vol. 12, Issue 6