Experiments with the hydraulic analogy of a shock-wave magnetohydrodynamic generator

Details Experiments with the hydraulic analogy of a shock-wave magnetohydrodynamic generator Experiments with the hydraulic analogy of a shock-wave magnetohydrodynamic generator

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975phfl...18..795b&link_type=abstract

Physics of Fluids, vol. 18, July 1975, p. 795-802.

Physics

1

Gas Flow, Hydraulic Analogies, Liquid Flow, Magnetohydrodynamic Generators, Oscillating Flow, Shock Wave Propagation, Compressible Flow, Conducting Fluids, Free Flow, Mercury (Metal), Plasma Dynamics, Shock Tubes, Thermodynamic Cycles

Scientific paper

The analogy between the free surface flow of a conducting liquid and the compressible flow of a conducting gas was studied. It was shown that the analogy exists if the Joule heating is negligible and if the conductivity of the gas is proportional to the temperature. Tests were carried out with mercury to simulate the oscillating flow of a plasma in shock-wave magnetohydrodynamic generators. A single- and a twin-Hartmann-Sprenger tube configuration were used to produce the oscillating flow. The experiments performed so far showed that as much as 21 percent of the energy of the jet driving the Hartmann-Sprenger tubes may be converted into electricity.

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