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A magnetohydrodynamic converter (MHD converter) is an electromagnetic machine with no moving parts involving magnetohydrodynamics, the study of the kinetics of electrically conductive fluids (liquid or ionized gas) in the presence of electromagnetic fields.
A magnetohydrodynamic generator (MHD generator) is a magnetohydrodynamic converter that transforms thermal energy and kinetic energy directly into electricity.An MHD generator, like a conventional generator, relies on moving a conductor through a magnetic field to generate electric current.
Consequently, processes in ideal MHD that convert magnetic energy into kinetic energy, referred to as ideal processes, cannot generate heat and raise entropy. [ 7 ] : 6 A fundamental concept underlying ideal MHD is the frozen-in flux theorem which states that the bulk fluid and embedded magnetic field are constrained to move together such that ...
Yamato 1 on display in Kobe, Japan.The first working full-scale MHD ship. A magnetohydrodynamic drive or MHD accelerator is a method for propelling vehicles using only electric and magnetic fields with no moving parts, accelerating an electrically conductive propellant (liquid or gas) with magnetohydrodynamics.
Athena is a grid-based program for astrophysical magnetohydrodynamics (MHD). It was developed primarily for studies of the interstellar medium, star formation, and accretion flows. [3] Source code is available. EOF-Library EOF-Library is a software that couples Elmer FEM and OpenFOAM simulation packages.
Pages in category "Magnetohydrodynamics" The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes. ...
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Physical explanation and characteristics Evolution of the electrothermal instability in a Faraday MHD converter. Electric current lines. This instability is a turbulence of the electron gas in a non-equilibrium plasma (i.e. where the electron temperature T e is greatly higher than the overall gas temperature T g).