Results 21 to 30 of about 3,644 (187)

Discretisations and preconditioners for magnetohydrodynamics models [PDF]

, 2022
Magnetohydrodynamics (MHD) models describe the behaviour of electrically conducting fluids such as astrophysical and laboratory plasmas or liquid metals in the presence of magnetic fields.
Laakmann, Fabian
core   +2 more sources

A weak turbulence theory for incompressible magnetohydrodynamics [PDF]

, 2000
We derive a weak turbulence formalism for incompressible magnetohydrodynamics. Three-wave interactions lead to a system of kinetic equations for the spectral densities of energy and helicity. The kinetic equations conserve energy in all wavevector planes
S. V. Nazarenko, Nazarenko, Sergey, S. Galtier, Galtier, S., Newell, Alan C., Pouquet, A., A. C. Newell, A. Pouquet   +7 more
core   +1 more source

A general Cluster data and global MHD simulation comparison [PDF]

, 2008
Among the many challenges facing the space weather modelling community today, is the need for validation and verification methods of the numerical models available describing the complex nonlinear Sun-Earth system.
Wild, J.A., Taylor, M.G.G.T., M. G. G. T. Taylor, P. Daum, Denton, M.H., Daum, Patrick, J. Šafránková, Hayosh, M., M. Hayosh, J. A. Wild, Safrankova, J., M. H. Denton   +11 more
core   +1 more source

von Kármán self-preservation hypothesis for magnetohydrodynamic turbulence and its consequences for universality [PDF]

, 2012
We argue that the hypothesis of preservation of shape of dimensionless second- and third-order correlations during decay of incompressible homogeneous magnetohydrodynamic (MHD) turbulence requires, in general, at least two independent similarity length ...
Wan, Minping, Matthaeus, William H., Oughton, Sean, Servidio, Sergio   +3 more
core   +1 more source

Parallel and perpendicular cascades in solar wind turbulence [PDF]

, 2005
MHD-scale fluctuations in the velocity, magnetic, and density fields of the solar wind are routinely observed. The evolution of these fluctuations, as they are transported radially outwards by the solar wind, is believed to involve both wave and ...
Matthaeus, William H., Oughton, Sean, S. Oughton, W. H. Matthaeus, Oughton, S., Matthaeus, W. H.   +5 more
core   +1 more source

Transport of cross helicity and radial evolution of alfvenicity in the solar wind [PDF]

, 2004
A transport theory including cross helicity, magnetohydrodynamic(MHD) turbulence, and driving by shear and pickup ions, is applied to the radial evolution of the solar wind.
Matthaeus, William H., Oughton, Sean, Minnie, J., Bieber, J.W., Parhi, S., Breech, Ben   +5 more
core   +1 more source

Resistive magnetohydrodynamic reconnection : resolving long-term, chaotic dynamics [PDF]

, 2013
We acknowledge financial support from the EC FP7/2007-2013 Grant Agreement SWIFF (No. 263340) and from project GOA/2009/009 (KU Leuven). This research has been funded by the Interuniversity Attraction Poles Programme initiated by the Belgian Science ...
Keppens, R., A. L. Restante, Lapenta, G., K. Galsgaard, Restante, A.L., R. Keppens, Frederiksen, Jacob Trier, Frederiksen, J.T., Porth, O., G. Lapenta, O. Porth, J. T. Frederiksen, Parnell, C., Galsgaard, K., Galsgaard, Klaus, C. Parnell   +15 more
core   +1 more source

Collisional and viscous damping of MHD waves in partially ionized plasmas of the solar atmosphere [PDF]

, 2004
Magnetohydrodynamic (MHD) waves are widely considered as a possible source of heating for various parts of the outer solar atmosphere. Among the main energy dissipation mechanisms which convert the energy of damped MHD waves into thermal energy are ...
Rucker, H. O. (Helmut O.), T. D. Arber, Khodachenko, M. L., Arber, T. D., A. Hanslmeier, Hanslmeier, Arnold, H. O. Rucker, M. L. Khodachenko   +7 more
core   +1 more source

Numerical Study of MHD Hybrid Nanofluid Flow With Multiple Slip Effects Over a Variable Porous Stretching Surface

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This work discusses the thermal performance of magnetized hybrid nanofluid flow over a variable porous stretchable surface, emphasizing the underlying physical mechanisms governing heat and mass transfer. The Cattaneo–Christov flux model is used in place of Fourier's and Fick's laws to incorporate relaxation effects, ensuring a more realistic ...
Mounirah Areshi, Abdul Bariq, Salemah A. Almutlak, Fahad Maqbul Alamrani, Zehba Raizah, Anwar Saeed   +5 more
wiley   +1 more source

Shear instabilities in shallow-water magnetohydrodynamics [PDF]

, 2013
The interaction of horizontal shear flows and magnetic fields in stably stratified layers is central to many problems in astrophysical fluid dynamics.
Mak, Julian
core