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Browsing by Subject "Magnetohydrodynamic waves"

Browsing by Subject "Magnetohydrodynamic waves"

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  • Dust-Alfvenic Shocklets in Dusty Plasmas 
    Shukla, P. K; Morfill, G. E; Krishan, V (IOP Publishing, 2004)
    We show that the Hall dust magnetohydrodynamic equations admit a non-stationary dust-Alfvénic shock solution in dusty plasmas. The dust-Alfvénic shocklet (DAS) occurs on a long temporal (dust gyroperiod) and spatial (dust ...
  • Energy transport to the solar corona by magnetic kink waves 
    Choudhuri, A. R; Dikpati, M; Banerjee, D (American Astronomical Society, 1993-08-20)
    We show that the magnetic kink waves generated by the motions of photospheric footpoints of the coronal flux tubes can supply adequate energy for heating the quiet corona, provided there are occasional rapid motions of ...
  • Manifestations of short-period electric field fluctuations in the equatorial lower thermosphere 
    Sastri, J. H; Ramesh, K. B; Rao, J. V. S. V; Rao, D. R. K (The Royal Swedish Academy of Sciences, 1988-03)
    Measurements (90h) of phase path, P of lower F-region (~ 200km) reflections at normal incidence over Kodaikanal (dip 3.0°N) revealed the time rate of change of phase path, (Doppler frequency shift, Δf) to undergo ...
  • MHD Waves in Coronal Holes 
    Banerjee, D; Krishna Prasad, S (John Wiley & Sons, Inc., 2015-05)
    Coronal holes are the dark patches in the solar corona associated with relatively cool, less dense plasma and unipolar fields. The fast component of the solar wind emanates from these regions. Several observations ...
  • Sunspot activity as originating in interference of the sun's global MHD oscillations 
    Gokhale, M. H; Javaraiah, J (Royal Astronomical Society, 1990-03)
    Spherical-harmonic-Fourier (SHF) analysis of sunspot activity during 1902-54 show that the sunspot occurrence probability p(theta, phi, t) is given by superposition of, mainly, axisymmetric even degree SHF modes of l not ...
  • Thermal overstability of hydromagnetic surface waves 
    Joarder, P. S; Gokhale, M. H; Venkatakrishnan, P (Kluwer Academic Publishers, 1987-09)
    The authors investigate the effects of radiative heat losses and thermal conductivity on the hydromagnetic surface waves along a magnetic discontinuity in a plasma of infinite electrical conductivity. They show that the ...
  • Transverse motions and wave heating of the solar atmosphere 
    Krishnakumar, V; Venkatakrishnan, P (Kluwer Academic Publishers, 1999-05)
    Periodic shaking or buffeting of magnetic flux tubes could generate magnetohydrodynamic waves which propagate along the flux tubes and dissipate energy in the chromosphere and/or corona. If we make an assumption that the ...

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