Theoretical and Numerical Study of Anomalous Turbulent Transport in Plasmas

Abstract

Theoretical and computational analysis of particle transport in a plasma turbulence was carried out. Particle behavior was investigated by test particle simulations in different types of plasma turbulence, including drift wave turbulence, ion acoustic turbulence and Langmuir turbulence. Resonance broadening in real space around mode rational surface was confirmed in drift wave turbulence. Nonresonant interaction of waves and particles were studied in ion acoustic turbulence. Resonance broadening in velocity space was found as a result of non-Markovian process in Langmuir turbulence. A semiclassical quantum plasma approach was also applied to plasma turbulence. Some instabilities in toroidal geometry were studied as eigen value problems.

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Document Details

Document Type
Technical Report
Publication Date
Feb 05, 1991
Accession Number
ADA232688

Entities

People

  • Osamu Ishihara

Organizations

  • Texas Tech University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Charged Particles
  • Contracts
  • Diffusion Coefficient
  • Electric Fields
  • Electrical Engineering
  • Engineering
  • Geometry
  • Magnetic Fields
  • Physics
  • Simulations
  • Stochastic Processes
  • Temperature Gradients
  • Theses
  • Turbulence
  • United States

Fields of Study

  • Physics

Readers

  • Ocean-Atmosphere Mesoscale Modeling, Data Assimilation, and Flux Boundary Layers
  • Plasma Physics.

Technology Areas

  • Quantum Computing
  • Space
  • Space - Hall-Effect Thruster