Preferential ion heating in fast solar wind
On ion-cyclotron-resonance heating of the corona and solar wind
... 6 Conclusions A short review of the authors’ recent work on modelling of the corona is presented with emphasis on key numerical re- sults, remote-sensing and in situ observations and unresolved problems. It has become ...
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ON COLLISIONLESS ELECTRON-ION TEMPERATURE EQUILIBRATION IN THE FAST SOLAR WIND
... sufficiently fast to maintain such ...the wind expansion ...where ion charge states freeze in, and so nonthermal electrons appear unlikely to produce a significant change to our charge state results, ...
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Solar wind heating by an embedded quasi-isothermal pick-up ion fluid
... the solar wind plasma con- sists of primary ions of solar coronal origin and secondary ions of interstellar ...tized solar wind flow and are essentially enforced to co-move with this ...
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Hybrid models of solar wind plasma heating
... Daughton et al., 1999; Gary et al., 2000, 2001, 2003; Of- man et al., 2001; Xie et al., 2004; Ofman and Vi˜nas, 2007; Ofman, 2010a). Both 1-D and 2-D hybrid codes solve for the full three components of velocity for the ...
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ANGEO - Solar and seasonal dependence of ion frictional heating
... Abstract. Ion frictional heating constitutes one of the principal mechanisms whereby energy, originating in the solar wind, is deposited into the Earth's ionosphere and ultimately the neutral ...
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Radial Evolution of Stochastic Heating in Low-β Solar Wind
... perpendicular ion heating due to the violation of magnetic moment conservation caused by Alfvén and kinetic Alfvén wave ...stochastic heating (SH), can be quantified by the ratio between the average ...
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A fast plasma analyser for the study of the solar wind interaction with Mars
... 4.7 Early deflection results Magnetic deflection tests using a single analyser were carried out in order to test the instrument simulator code. Initially these were carried out using a collimator with three single ...
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On the ion inertial range density power spectra in solar wind turbulence
... in solar wind velocity turbulence and referring to observations of density- power spectra suggest that the occasionally observed scale- limited bumps in the density-power spectrum may be traced back to the ...
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Solar wind and heavy ion properties of interplanetary coronal mass ejections
... the solar wind measured in near-Earth space are a convolution of coronal source conditions and in-transit processes which take place between the corona and near-Earth ...heavy ion charge states, ...
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In-situ Plasma Analysis of Ion Kinetics in the Solar Wind and Hermean Magnetosphere
... heavy ion composition instrument are used to calculate ratios of kinetic temperature and Coulomb collisional interactions of an unprecedented fifty ion species in the solar ...heavy ion (A > 4 ...
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On heating of solar wind protons by the parametric decay of large amplitude Alfvén waves
... With respect to this result we have done a quantification of the differences between the results of the 2-D and 3-D setups in what the amplitude and slope of the oblique modes mean. At the linear stage of the instability ...
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No evidence for the localized heating of solar wind protons at intense velocity shear zones
... the Wind spacecraft at 1 AU, the heating of protons in the solar wind at locations of intense velocity shear is ...in fast coronal hole origin plasma are ...plasma heating is ...
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Fast magnetoacoustic waves in non equilibrium solar wind and coronal plasmas
... unexpected heating are unknown, which constitute the coronal heating problem - one of the most popular directions of the solar research, [Marsch, ...
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Plasma waves above the ion cyclotron frequency in the solar wind: a review on observations
... the ion cyclotron frequency play a critical role in the microphysics of space ...1–30 solar radii, where basic physical processes are expected to take place are necessary to solve the question of the ...
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Dispersion relation analysis of turbulent magnetic field fluctuations in fast solar wind
... in solar wind turbulence are a subject of intense studies, and different ideas exist to explain ...high-speed solar wind event with a flow velocity of about 700 km s −1 using magnetic field ...
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Perturbations of the solar wind flow by radial and latitudinal pick-up ion pressure gradients
... of solar wind modifications, ...pick-up ion loading effects, but also to the ac- tion of pick-up ion pressure ...pick-up ion pressure gradients were consid- ered, however, analogously ...
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Hybrid simulation of ion cyclotron resonance in the solar wind: Evolution of velocity distribution functions
... the solar wind, the abundance of oxygen and other heavy ions is very ...particles. Ion cyclotron waves at the gyrofrequency of these minor ions and its neighborhood can comfortably exist while ...
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Proton and He 2+ Temperature Anisotropies in the Solar Wind Driven by Ion Cyclotron Waves
... 3 SIMULATION RESULTS In the simulations, the initial magnetic fluctuation may excite left-hand polarized waves which propagate parallel and anti-parallel to the ambient magnetic field B 0 . Here we choose the parameters ...
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Solar Wind: Theory. Parker s solar wind theory
... modest heating of heavy ions leads to a high ...the ion temperature increases with mass, more rapidly than proportional to mass, we can conclude that the heavy ions are preferentially ...few ion ...
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Heating of the solar wind in the outer heliosphere
... Abstract. Small-scale Alfv´enic turbulence in the outer helio- sphere is mainly determined by a source which is connected with the instability of the initially highly anisotropic velocity distribution of interstellar ...
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