Magneto-hydrodynamics - Hutchinson encyclopedia article about Magneto-hydrodynamics Printer Friendly
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magnetohydrodynamics
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magnetohydrodynamics

Field of science concerned with the behaviour of ionized gases or liquids in a magnetic field. Systems have been developed that use MHD to generate electrical power.

MHD-driven ships have been tested in Japan. In 1991 two cylindrical thrusters with electrodes and niobium-titanium superconducting coils, immersed in liquid helium, were placed under the passenger boat Yamato 1. The boat, 30 m/100 ft long, was designed to travel at 8 knots. An electric current passed through the electrodes accelerates water through the thrusters, like air through a jet engine, propelling the boat forward.


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