Thermal Conduction in Magnetized Turbulent Gas
arXiv:astro-ph/0302503 · doi:10.1086/376492
Abstract
Using numerical methods, we systematically study in the framework of ideal MHD the effect of magnetic fields on heat transfer within a turbulent gas. We measure the rates of passive scalar diffusion within magnetized fluids and make the comparisons a) between MHD and hydro simulations, b) between different MHD runs with different values of the external magnetic field (up to the energy equipartition value), c) between thermal conductivities parallel and perpendicular to magnetic field. We do not find apparent suppression of diffusion rates by the presence of magnetic fields, which implies that magnetic fields do not suppress heat diffusion by turbulent motions.
4 pages; 2 figures; submitted to ApJ
References in corpus (8)
- Reconnection in a Weakly Stochastic Field
- Simulations of Incompressible MHD Turbulence
- Thermal Conduction in Clusters of Galaxies
- Simulations of MHD Turbulence in a Strongly Magnetized Medium
- Models of Galaxy Clusters with Thermal Conduction
- On the soft X-ray spectrum of cooling flows
- Relative dispersion in fully developed turbulence: The Richardson's Law and Intermittency Corrections
- The Thermal Pressure of the Hot Interstellar Medium derived from Cloud Shadows in the Extreme Ultraviolet
Cited by in corpus (70)
- Compressible Magnetohydrodynamic Turbulence: mode coupling, scaling relations, anisotropy, new regime and astrophysical implications
- X-ray Spectroscopy of Cooling Clusters
- Compressible Turbulence in Galaxy Clusters: Physics and Stochastic Particle Re-acceleration
- Turbulent Heating in Galaxy Clusters Brightest in X-rays
- Feedback Heating by Cosmic Rays in Clusters of Galaxies
- Evolving turbulence and magnetic fields in galaxy clusters
- Thermal conduction and reduced cooling flows in galaxy clusters
- Stirring Up the Pot: Can Cooling Flows In Galaxy Clusters Be Quenched By Gas Sloshing?
- Magnetic Field Structure and Stochastic Reconnection in a Partially Ionized Gas
- Dust Dynamics in Compressible MHD Turbulence
- Enhancement and suppression of heat transfer by MHD turbulence
- Highly Ionized Gas Surrounding High Velocity Cloud Complex C
- A thermally stable heating mechanism for the intracluster medium: turbulence, magnetic fields and plasma instabilities
- Astrophysical hydromagnetic turbulence
- Growth of Magnetic Fields Induced by Turbulent Motions
- Impact of stochastic gas motions on galaxy cluster abundance profiles
- Studying Turbulence using Doppler-broadened lines: Velocity Coordinate Spectrum
- A Parameter Space Exploration of Galaxy Cluster Mergers I: Gas Mixing and the Generation of Cluster Entropy
- Alfvenic reacceleration of relativistic particles in galaxy clusters in the presence of secondary electrons and positrons
- Magnetic turbulence in cool cores of galaxy clusters
- Diffusion of magnetic field and removal of magnetic flux from clouds via turbulent reconnection
- Strong Turbulence in the Cool Cores of Galaxy Clusters: Can Tsunamis Solve the Cooling Flow Problem?
- AGN heating and dissipative processes in galaxy clusters
- Thermal Instability in Clusters of Galaxies with Conduction
- A nonlinear theory of the parallel firehose and gyrothermal instabilities in a weakly collisional plasma
- The turbulent destruction of clouds - I. A k-epsilon treatment of turbulence in 2D models of adiabatic shock-cloud interactions
- Particle Acceleration by MHD Turbulence
- Galaxy Motions, Turbulence and Conduction in Clusters of Galaxies
- Simulations of High-Velocity Clouds. I. Hydrodynamics and High-Velocity High Ions
- A Global Stability Analysis of Clusters of Galaxies with Conduction and AGN Feedback Heating
- Dynamical-Friction Galaxy-Gas Coupling and Cluster Cooling Flows
- Turbulent Mixing in Clusters of Galaxies
- Studying Turbulence from Doppler-broadened Absorption Lines: Statistics of Logarithms of Intensity
- Cosmic Rays or Turbulence can Suppress Cooling Flows (Where Thermal Heating or Momentum Injection Fail)
- Amplification of Interstellar Magnetic Fields and Turbulent Mixing by Supernova-Driven Turbulence Part II - The Role of Dynamical Chaos
- Thermal conduction and particle transport in strong MHD turbulence, with application to galaxy-cluster plasmas
- Chandra view of Kes 79: a nearly isothermal SNR with rich spatial structure
- Dynamical Friction and Cooling Flows in Galaxy Clusters
- The stability of buoyant bubbles in the atmospheres of galaxy clusters
- Relation of Astrophysical Turbulence and Magnetic Reconnection
- The X-ray puzzle of the L1551 IRS 5 jet
- The Effect of Thermal Conduction on the Virgo Cluster
- Tracing gas motions in the Centaurus Cluster
- AGN-driven convection in galaxy-cluster plasmas
- MHD Turbulent Mixing Layers: Equilibrium Cooling Models
- A Turbulent Origin for Flocculent Spiral Structure in Galaxies: II. Observations and Models of M33
- Heating Rate Profiles in Galaxy Clusters
- Imbalanced Relativistic Force-Free Magnetohydrodynamic Turbulence
- A Chandra Study of Temperature Substructures in Intermediate-Redshift Galaxy Clusters
- Simulating Anisotropic Thermal Conduction in Supernova Remnants, Implications for the Interstellar Medium
- Near-Infrared Imaging Polarimetry of M42: Aperture Polarimetry of Point-like Sources
- Properties and selected implications of magnetic turbulence for interstellar medium, Local Bubble and solar wind
- Cooling of X-ray Emitting Gas by Heat Conduction in the Center of Cooling Flow Clusters
- Convection in galaxy-cluster plasmas driven by active galactic nuclei and cosmic-ray buoyancy
- The Extended Fe distribution in the intracluster medium and the implications regarding AGN Heating
- Morphology of flows and buoyant bubbles in the Virgo cluster
- Probing Gas Motions in the Intra-Cluster Medium: A Mixture Model Approach
- Gas Density Perturbations in Cool Cores of CLASH Galaxy Clusters
- Mass-Loaded Flows
- Scaling, Intermittency and Decay of MHD Turbulence
- Radial transport of dust in spiral galaxies
- Anisotropic Thermal Conduction in Supernova Remnants: Relevance to Hot Gas Filling Factors in the Magnetized ISM
- Disentangling Resonant Scattering and Gas Motions in Galaxy Cluster Emission Line Profiles
- A Simple Measurement of Turbulence in Cores of Galaxy Clusters
- Active Galaxies and Cluster Gas
- Basic Properties of Compressible MHD Turbulence: Implications for Molecular Clouds
- Neutral hydrogen filaments in interstellar media: Are they physical?
- 2-D Magnetohydrodynamic Simulations of Induced Plasma Dynamics in the Near-Core Region of a Galaxy Cluster
- Growth of a localized seed magnetic field in a turbulent medium
- Magnetic turbulence in compressible fluids