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  • 1
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    On the energy transport in stellar winds (1971)
    In:  Other Sources
    Details
    Publikationsdatum: 2011-08-16
    Beschreibung: Stellar wind flow models associating energy transport with propagation and dissipation of hydrodynamic waves and heat conduction
    Schlagwort(e): SPACE RADIATION
    Materialart: ; ECTRON (
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Nonthermal heating in the two-fluid solar wind model (1970)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: Simple two fluid solar wind speed and proton temperature model, discussing nonthermal energy dissipation
    Schlagwort(e): SPACE RADIATION
    Materialart: ; ADEMIE DES SCIENCES
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    Solar wind heating. (1972)
    In:  Other Sources
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    Publikationsdatum: 2011-08-16
    Beschreibung: The difference in objectives, physical assumptions, and results among the most recent detailed models aimed at understanding energy transport in the solar wind are analyzed. Models have been judged primarily by comparing their predictions against spacecraft observations near 1 AU. However, the observed values of flow speed, density, and temperature fluctuate over a wide range so that the criteria for agreement between theory and observation are necessarily somewhat subjective.
    Schlagwort(e): SPACE RADIATION
    Materialart: Cosmic Electrodynamics; 3; July 197
    Format: text
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  • 4
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    Two-fluid model of the solar wind. (1966)
    In:  Other Sources
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    Publikationsdatum: 2011-08-11
    Beschreibung: Two-fluid model of solar wind, assuming spherical symmetric flow without rotation, magnetic fields or viscous stress
    Schlagwort(e): SPACE RADIATION
    Materialart: PHYSICAL REVIEW LETTERS
    Format: text
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  • 5
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    Two-fluid model of the solar wind. (1968)
    In:  Other Sources
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    Publikationsdatum: 2011-08-12
    Beschreibung: Solar wind studied with two fluid model, using proton and electron fluid type heat equations, equation of motion and continuity equation
    Schlagwort(e): SPACE RADIATION
    Materialart: ; ACE(
    Format: text
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  • 6
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    Model for energy transfer in the solar wind: Formulation of model (1972)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: The two-fluid solar-wind model is extended by including the collisionless dissipation of hydromagnetic waves originating at the sun. A series of solar wind models is generated, parameterized by the total energy flux of hydromagnetic waves at the base of the model. The resulting properties of propagation and dissipating of hydromagnetic waves on this model are presented.
    Schlagwort(e): SPACE RADIATION
    Materialart: Solar Wind; p 248-251
    Format: application/pdf
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  • 7
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    Model for energy transfer in the solar wind: Model results (1972)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: A description is given of the results of solar wind flow in which the heating is due to (1) propagation and dissipation of hydromagnetic waves generated near the base of the wind, and (2) thermal conduction. A series of models is generated for fixed values of density, electron and proton temperature, and magnetic field at the base by varying the wave intensity at the base of the model. This series of models predicts the observed correlation between flow speed and proton temperature for a large range of velocities. The wave heating takes place in a shell about the sun greater than or approximately equal to 10 R thick. We conclude that large-scale variations observed in the solar wind are probably due mainly to variation in the hydromagnetic wave flux near the sun.
    Schlagwort(e): SPACE RADIATION
    Materialart: Solar Wind; p 219-226
    Format: application/pdf
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  • 8
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    Solar wind maintenance of the nighttime Venus ionosphere (1972)
    In:  CASI
    Details
    Publikationsdatum: 2016-06-07
    Beschreibung: An attempt is made to establish an ionization source capable of maintaining the nighttime Venus ionosphere. The corpuscular ionization and heating caused by the penetration of solar wind plasma into the nightside ionosphere was suggested as a possible source. Theoretical tests, using an interacting solar wind model, were made of the electron density and the results compared with observed electron density profiles. Results indicate the solar wind could maintain the nighttime ionosphere of Venus.
    Schlagwort(e): SPACE RADIATION
    Materialart: Significant Accomplishments in Sci., 1971; p 79-82
    Format: application/pdf
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  • 9
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    Effects of electrostatic instabilities on planetary and interstellar ions in the solar wind. (1973)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: It is shown that newly born ions in the solar wind result in unstable electrostatic waves propagating parallel and perpendicular to the interplanetary magnetic field. A description of the longitudinal instability is followed by a discussion of its implications for assimilating newly born ions of interstellar and planetary origin into comotion with the solar wind bulk velocity. The transverse electrostatic instability is then considered and it is shown that its growth rate is of the same order as that for transverse electromagnetic instabilities found by Wu and Davidson (1972).
    Schlagwort(e): SPACE RADIATION
    Materialart: Journal of Geophysical Research; 78; Sept. 1
    Format: text
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  • 10
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    Neutral and ion-exospheres in the solar wind with applications to Mercury (1973)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Construction of a model neutral and ion exosphere for a planet weakly interacting with the solar wind. The model is constructed in general terms and is then specialized to possible neutral and ion exospheres for the planet Mercury. The neutral exosphere model allows for density and temperature variations and for rotation at the exobase. The ion exosphere is produced by ionization of the neutral exosphere in the solar wind, and its density distribution is obtained by solving the continuity equation in the drift approximation. Applying to Mercury a surface temperature distribution inferred from infrared data and a vanishing bound neutral flux at the base, He and He(+) density distributions are found. When the He atmosphere of Mercury is due entirely to the surface bombardment by solar wind He(2+), the resulting He(+) density is found to vary from 0.15 to 0.001 per cu cm over the range from 1.5 to 5 planetocentric radii on the dayside. These densities are found to be detectable by typical solar-wind plasma instruments.
    Schlagwort(e): SPACE RADIATION
    Materialart: Planetary and Space Science; 21; Dec. 197
    Format: text
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