Results 171 to 180 of about 288 (182)

HYDRODYNAMIC AND MHD EQUATIONS ACROSS THE BOW SHOCK AND ALONG THE SURFACES OF PLANETARY OBSTACLES

Space Science Reviews, 1997
Examinations of the magnetohydrodynamic (MHD) equations across a bow shock are presented. These equations are written in the familiar Rankine–Hugoniot set, and an exact solution to this set is given which involves the upstream magnetosonic Mach number, plasma β, polytropic index, and θ B-v , as a function of position ...
S. M. Petrinec, C. T. Russell
openaire   +1 more source

Shock drift acceleration of energetic protons at a planetary bow shock

Journal of Geophysical Research: Space Physics, 1992
We present the results of numerical orbit integrations of the interaction of suprathermal charged particles (protons) with a planetary bow shock. The primary goal of this study is to analyze the effect of the changing geometry of the shock, due to its curvature, on the kinematics of the particle/shock interaction. The model bow shock is a conic section
openaire   +1 more source

Upstream Transients at Planetary Bow Shocks

2009
Kinetic processes occurring upstream of planetary bow shocks can greatly perturb the magnetosphere-striking solar wind. Collisionless shocks are highly non-linear systems with complicated feedback mechanisms. Transient events form part of the growing evidence that shocks are highly variable and far more complex than a large-scale quasi-static picture ...
openaire   +2 more sources

Investigations of hydrodynamic and magnetohydrodynamic equations across the bow shock and along the outer edge of planetary obstacles

Advances in Space Research, 1997
Abstract Understanding the interaction of planetary obstacles with the solar wind is fundamental to the entire field of space physics. However, some details of magnetohydrodynamics and even hydrodynamics lead to confusion and the use of incorrect assumptions. One area of confusion involves the position of a bow shock in front of a planetary obstacle;
S.M. Petrinec, C.T. Russell
openaire   +1 more source

Comparison of Particle Acceleration at Planetary Bow Shocks and Interplanetary Shocks

The spatial size of collisionless shock waves is suggested to play an important role in determining the maximum energy gain of particles accelerated at heliospheric and astrophysical shocks. In addition, shocks energize particles with different starting/upstream energies differently.
Martin Lindberg, Heli Hietala, Florian Koller, Laura Vuorinen   +3 more
openaire   +1 more source

Bridging observations and simulations: challenges in planetary bow shock studies

Planetary bow shocks provide an excellent laboratory for studying shock physics. Over the past six decades, they have been extensively investigated in situ by various satellite missions aiming to study particle behavior and fields at both macro and micro scales.
openaire   +1 more source

Magnetic Field Amplification by the Weibel Instability at Planetary and Astrophysical Shocks with High Mach Number

Physical Review Letters, 2021
Jacek Niemiec, Martin Pohl, Ali Sulaiman   +2 more
exaly  

Dynamics of He++ Ions at Interplanetary and Earth’s Bow Shocks

Universe, 2022
Yuri Yermolaev, Olga Sapunova
exaly  

REMOTE RADIO OBSERVATIONS OF SOLAR WIND PARAMETERS UPSTREAM OF PLANETARY BOW SHOCKS

1992
R.J. MacDowall, R.G. Stone, J.D. Gaffey
openaire   +1 more source

Macrostructure of collisionless bow shocks: 1. Scale lengths

Journal of Geophysical Research, 2005
Nojan Omidi, Christopher Russell
exaly