MHD turbulent mixing layers

Esquivel, A; Lazarian, A; Benjamin, R A; Cho, J; Leitner, S N

doi:10.1063/1.2077210

Title: MHD turbulent mixing layers

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Abstract

Turbulent mixing layers have been proposed to explain observations of line ratios of highly ionized elements in the interstellar medium. We present preliminary results of numerical simulations of turbulent mixing layers in a magnetized medium. We developed a MHD code with radiative cooling. The magnetic field is expected to be a controlling factor by suppressing instabilities that lead to the turbulent mixing. Our results suggest that the difference in turbulent mixing in the unmagnetized case as compared to the case of a weak magnetic field, {beta} = Pgas/Pmag {approx} 10, is insignificant. With a more thorough exploration of parameter space, this work will provide more reliable diagnostics of turbulent mixing layers than those available today.

Authors:

Esquivel, A; Lazarian, A ^[1]; Benjamin, R A ^[2]; Cho, J ^[1]; Leitner, S N ^[3]

Department of Astronomy, University of Wisconsin-Madison, 475 N. Charter St. Madison WI, 53706-1582 (United States)
Department of Physics, University of Wisconsin-Whitewater, 800 W. Main Street, Whitewater, WI, 53190 (United States)
Department of Physics, Wesleyan University, Middletown, CT 06459 (United States)

Publication Date:: Wed Sep 28 00:00:00 EDT 2005

OSTI Identifier:: 20719376

Resource Type:: Journal Article

Journal Name:: AIP Conference Proceedings

Additional Journal Information:: Journal Volume: 784; Journal Issue: 1; Conference: International conference on magnetic fields in the universe: From laboratory and stars to primordial structures, Angra dos Reis (Brazil), 28 Nov - 3 Dec 2004; Other Information: DOI: 10.1063/1.2077210; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; INSTABILITY; INTERSTELLAR GRAINS; INTERSTELLAR SPACE; LAYERS; MAGNETIC FIELDS; MAGNETOHYDRODYNAMICS; MIXING; NUMERICAL ANALYSIS; PLASMA; RADIATIVE COOLING; SIMULATION; TURBULENCE

Citation Formats


                    Esquivel, A, Lazarian, A, Benjamin, R A, Cho, J, Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, and Leitner, S N. MHD turbulent mixing layers.  United States: N. p., 2005. 
        Web.  doi:10.1063/1.2077210.

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                    Esquivel, A, Lazarian, A, Benjamin, R A, Cho, J, Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, & Leitner, S N. MHD turbulent mixing layers.  United States.  https://doi.org/10.1063/1.2077210

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                    Esquivel, A, Lazarian, A, Benjamin, R A, Cho, J, Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8, and Leitner, S N. 2005.  
        "MHD turbulent mixing layers".  United States.  https://doi.org/10.1063/1.2077210.

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@article{osti_20719376,

  title        = {MHD turbulent mixing layers},

  author       = {Esquivel, A and Lazarian, A and Benjamin, R A and Cho, J and Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, ON M5S 3H8 and Leitner, S N},

  abstractNote = {Turbulent mixing layers have been proposed to explain observations of line ratios of highly ionized elements in the interstellar medium. We present preliminary results of numerical simulations of turbulent mixing layers in a magnetized medium. We developed a MHD code with radiative cooling. The magnetic field is expected to be a controlling factor by suppressing instabilities that lead to the turbulent mixing. Our results suggest that the difference in turbulent mixing in the unmagnetized case as compared to the case of a weak magnetic field, {beta} = Pgas/Pmag {approx} 10, is insignificant. With a more thorough exploration of parameter space, this work will provide more reliable diagnostics of turbulent mixing layers than those available today.},

  doi          = {10.1063/1.2077210},

  url          = {https://www.osti.gov/biblio/20719376},
  journal      = {AIP Conference Proceedings},

  issn         = {0094-243X},

  number       = 1,

  volume       = 784,

  place        = {United States},

  year         = {Wed Sep 28 00:00:00 EDT 2005},

  month        = {Wed Sep 28 00:00:00 EDT 2005}

}

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