Heat exchange – Regenerator – Checker brick structure
Patent
1994-12-14
1996-07-09
Flanigan, Allen J.
Heat exchange
Regenerator
Checker brick structure
16510428, 1651091, 165DIG318, F28F 1306
Patent
active
055335675
ABSTRACT:
A method and apparatus for producing uniform heating and cooling using an electrically and, thermally conductive liquid or ionized gas as a heat transfer medium. The fluid is enclosed within a chamber defined by a top plate, a bottom plate, and a surrounding rim. Azimuthal motion is imparted to the fluid by passing a current between an electrode which is centrally positioned in the bottom plate and a continuous ring electrode which is positioned circumferentially around the bottom plate. Rolling motion, which causes the fluid to shear over the top and bottom plates, is imparted to the fluid by sequentially passing a current between a plurality of opposing electrode pairs positioned circumferentially around the upper plate in the presence of an axially aligned magnetic field produced by a magnet positioned beneath the lower plate. The positions of the continuous ring electrode and the opposing electrodes pairs can be interchanged to increase Lorentz forces by passing the current between the opposing electrode pairs where the magnetic field is greatest. In addition, the continuous ring electrode can be eliminated if desired and, instead, the opposing electrode pairs operated in a mode which electrically simulates the continuous ring electrode or in a mode which energizes the opposing electrode pairs at an elevated potential in relation to the center electrode. The lower plate includes a heating or cooling element for transferring heat between the lower plate and the fluid. As a result of the motion produced, uniform heat transfer between the upper plate and the fluid occurs.
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Felce Andrew G.
Van Putten Maurice H. P. M.
Flanigan Allen J.
O'Banion John P.
The Regents of the University of California
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