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The overall objectives of this program are the design, fabrication and delivery of test channels (nozzle, channel, diffuser, instrumentation and controls, and all necessary facility service connections) to the CDIF (Component Development and Integration Facility) for MHD generator tests. These CDIF test channels will be driven by a coal combustor which is under development at PERC in parallel with this program. Progress is reported on the following tasks: (1) Conduct basic engineering tests and perform necessary analytical work to define preferred design configurations of the CDIF channel in relation to fluid dynamics and electrodynamic performance. (2) Conduct basic engineering tests and pe...
Magnetohydrodynamic Electrical Power Generation Hugo K. Messerle University of Sydney, Australia The global demand for energy continues to grow. Magnetohydrodynamic (MHD) conversion processes offer a highly efficient, clean and direct conversion of energy for power generation and propulsion. By converting the kinetic energy of a flowing fluid into electricity directly, MHD systems help address the problems of environmental pollution. At the same time MHD is particularly suitable for primary energy sources or fuels providing energy at temperatures extending far beyond those manageable by any conventional thermal conversion plant. It therefore offers a potentially more effective utilisation of...
Suitable for advanced undergraduates and graduate students in engineering, this text introduces the concepts of plasma physics and magnetohydrodynamics from a physical viewpoint. The first section of the three-part treatment deals mainly with the properties of ionized gases in magnetic and electric fields, essentially following the microscopic viewpoint. An introduction surveys the concepts of ionized gases and plasmas, together with a variety of magnetohydrodynamic regimes. A review of electromagnetic field theory follows, including motion of an individual charged particle and derivations of drift motions and adiabatic invariants. Additional topics include kinetic theory, derivation of elec...
Advances in Magnetohydrodynamics is a collection of papers that deals with the MHD process such as the fundamental properties of gases passing through magnetic fields, estimates of performance of different MHD systems, and pilot plant investigations. One paper investigates the role that both electrons and positive ions play in the processes occurring in an MHD generator during the braking of the gas stream. Another paper discusses the motion of a partially ionized gas through a magnetic field by considering the macroscopic equations of motion of the individual component gases consisting of neutrals, ions, and electrons. A high electron temperature can occur under conditions of low pressure a...