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Browsing by Subject "Wave Propagation"

Browsing by Subject "Wave Propagation"

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  • Characteristics of damping of the pulses in the sun 
    Das, G. C (D.Reidel Publishing Co.,, 1981-06)
    Mathematical modelling is used in determining the rotational frequency and the density of an ionized medium. It is noted that the technique derives from the measurement of the group travel time for a wave propagating in a ...
  • Comment on “Southward magnetic field in the neutral sheet produced by wavy motions propagating in the dawn-dusk direction” 
    Uberoi, C (American Geophysical Union, 1991-03)
    In a recent paper Nakagawa and Nishida [1989] have suggested that wavy motions of the neutral sheet can be generated by the Kelvin‐Helmholtz instability if the dawn‐dusk flow of only several tens of km/s is present. However, ...
  • The interaction principle in radiative transfer 
    Peraiah, A (D. Reidel Publishing Co., 1984-10)
    We describe the interaction principle which is of fundamental importance to the theory of radiative transfer in one-, two-, and three-dimensional geometry. We also describe the practical difficulties associated with this ...
  • Nonlinear Propagation of Intense Electromagnetic Waves in Quasar and Pulsar Plasmas 
    Gangadhara, R. T (Astronomical Society of India, 1997)
    We present the results of analytical as well as numerical investigations of radiation-plasma interaction instabilities in astrophysical plasmas. We consider the stimulated Raman and Compton scattering in the continuum ...
  • Travelling wave solutions for inhomogeneous acoustic gravity waves 
    Das, G. C (Springer, 1979-09)
    Traveling wave solutions to an inhomogeneous hyperbolic equation for acoustic gravity waves in an isothermal atmosphere are investigated. A traveling wave solution of rank one is obtained in terms of a single ordinary ...
  • Waves in the sunspot penumbra 
    Antia, H. M; Chitre, S. M; Gokhale, M. H (Springer, 1978-11)
    Sunspot theory is discussed with reference to the role played by the spot magnetic field in influencing the mode of energy transport. Consideration is given to the stability of a plane parallel polytropic fluid layer with ...

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