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1,311
1 Turbulence Spectrum and Transport Scaling
, 2003
"... The effect of the shape of the spectrum of an electrostatic turbulence on the scaling of the diffusion coefficient is studied using the decorrelation trajectory method. We show that a strong influence appears at large Kubo numbers due to trajectory trapping. Keywords: plasma turbulence, statistical ..."
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The effect of the shape of the spectrum of an electrostatic turbulence on the scaling of the diffusion coefficient is studied using the decorrelation trajectory method. We show that a strong influence appears at large Kubo numbers due to trajectory trapping. Keywords: plasma turbulence, statistical
Novel Power Law of Turbulent Spectrum
, 2014
"... This paper is concerned with novel power law of turbulent energy spectrum and the relevant ex-periment in tidal current. The power law in the inertial sub-range has been proposed in such a way that the power of the one-dimensional turbulent energy spectrum varies from 0 to −2 ap-proximately, but it ..."
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This paper is concerned with novel power law of turbulent energy spectrum and the relevant ex-periment in tidal current. The power law in the inertial sub-range has been proposed in such a way that the power of the one-dimensional turbulent energy spectrum varies from 0 to −2 ap
A FORMATION OF TURBULENCE SPECTRUM IN FREE SHEAR FLOW
"... Abstract. We propose new physical model of the development of turbulence in free shear flows which contains main idea about leading role of large scale structures. Our theory is based on the results of numerical simulations of turbulent flow development. In these calculations the main idea of the pr ..."
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the spectrum which is different from Kolmogorov’s universal spectrum. The spectrum is sensitive to the problem dimensionality. We show our results of the evolution of large-scale turbulence in accretion disks for thin accretion disk. A possible mechanism explaining the transfer of angular momentum by large
ON THE KOLMOGOROV TURBULENT SPECTRUM IN THE DIRECT INTERACTION MODEL
, 1977
"... In the Direct Interaction Approximation [1 J equations have been formulated, which completely take into account the transfer effect and have a precise solution in the form of the Kolmogorov spectrum An important place in the statistical theory of hy- lows from eq. (1) that drodynamic turbulence come ..."
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In the Direct Interaction Approximation [1 J equations have been formulated, which completely take into account the transfer effect and have a precise solution in the form of the Kolmogorov spectrum An important place in the statistical theory of hy- lows from eq. (1) that drodynamic turbulence
Cascade and Damping of Alfvén-Cyclotron Fluctuations: Application to Solar Wind Turbulence Spectrum
, 802
"... With the diffusion approximation, we study the cascade and damping of Alfvén-cyclotron fluctuations in solar plasmas numerically. Motivated by wavewave couplings and nonlinear effects, we test several forms of the diffusion tensor. For a general locally anisotropic and inhomogeneous diffusion tensor ..."
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tensor in the wave vector space, the turbulence spectrum in the inertial range can be fitted with power-laws with the power-law index varying with the wave propagation direction. For several locally isotropic but inhomogeneous diffusion coefficients, the steady-state turbulence spectra are nearly
Effect of Resonance Broadening on the Evolution of the Edge of a Turbulent Spectrum
"... The extent to which nonlinear wave-particle resonance broadening results in a narrowing of an incident lower-hybrid wave spectrum is investigated. This narrowing is of concern because it could make control of lower-hybrid heating difficult. We numerically show, however, that relatively uniform spati ..."
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The extent to which nonlinear wave-particle resonance broadening results in a narrowing of an incident lower-hybrid wave spectrum is investigated. This narrowing is of concern because it could make control of lower-hybrid heating difficult. We numerically show, however, that relatively uniform
Formation of quasi-power law weak Langmuir turbulence spectrum by harmonic generation
- NONLINEAR PROCESSES IN GEOPHYSICS
, 2004
"... Langmuir wave turbulence generated by a beamplasma interaction has been studied since the early days of plasma physics research. Despite a long history of investigation on this subject, among the outstanding issues is the generation of harmonic Langmuir waves observed in both laboratory and computer ..."
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Langmuir wave turbulence generated by a beamplasma interaction has been studied since the early days of plasma physics research. Despite a long history of investigation on this subject, among the outstanding issues is the generation of harmonic Langmuir waves observed in both laboratory
Constraints on Interstellar Plasma Turbulence Spectrum from Pulsar Observations at the Ooty Radio Telescope
, 1999
"... Refractive Interstellar Scintillation (RISS) effects on pulsar signals are powerful techniques for discriminating between different models that have been proposed for the power spectrum of plasma density fluctuations in the Interstellar Medium (ISM; e.g. Rickett 1990). The nature of the spectrum is ..."
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Refractive Interstellar Scintillation (RISS) effects on pulsar signals are powerful techniques for discriminating between different models that have been proposed for the power spectrum of plasma density fluctuations in the Interstellar Medium (ISM; e.g. Rickett 1990). The nature of the spectrum
Printed in USA. Boundary Layer Transition Under the Presence of Discrete Frequencies in the Freestream Turbulence Spectrum
"... The Society shall not be responsible for statements or opinions advanced in papers or in dis-cussion at meetings of the Society or of Its Divisions or Sections, or printed in its publications. m Discussion is printed only If the paper is published in an ASME Journal. Papers are available?^L from ASM ..."
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The Society shall not be responsible for statements or opinions advanced in papers or in dis-cussion at meetings of the Society or of Its Divisions or Sections, or printed in its publications. m Discussion is printed only If the paper is published in an ASME Journal. Papers are available?^L from ASME for fifteen months after the meeting.
Results 1 - 10
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