Direct current magnetohydrodynamic pump configurations
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United States of America Patent
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Issued Date -
Nov 25, 2004
app pub date -
May 22, 2003
filing date -
May 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides configurations of direct current magnetohydrodynamic (DC MHD) pumps for enhanced performance in pumping of conducting fluids. The pumping is achieved by a force developed by the interaction of magnetic flux and electric current. The force acting on the conducting fluid can be increased by increasing the magnetic flux density or the path length of charge carriers. The path length of charge carriers is increased by using a centrifugal configuration of the pump. The magnetic flux density is increased by using unique magnet configurations. A two-magnet configuration, a four-magnet configuration or a Halbach array configuration is used to enhance the magnetic flux density in the fluid cavity.
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