THEORETICAL ANALYSIS ON THE MHD STABILITY OF LIQUID METAL CURRENT COLLECTORS

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$467,000.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
883
Agency Tracking Number:
883
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1 Washington Ave., Suite 1, Schenectady, NY, 12305
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
James T. Woo
(518) 382-8234
Business Contact:
() -
Research Institute:
n/a
Abstract
CURRENT CARRYING CONDUCTING FLUIDS ARE KNOWN TO BE SUSCEPTIBLE TO A NUMBER OF MHD INSTABILITY MODES. THIS TYPE OF INSTABILITY IS EXPECTED TO OCCUR IN LIQUID METAL CURRENT COLLECTORS, WHICH CAN CAUSE SERIOUS DISRUPTION TO THEIR OPERATIONS. THE MECHANISMS THAT DRIVES THE INSTABILITY ARE WELL UNDERSTOOD AND THE INSTABILITY CAN BE STABILIZED BY THE APPLICATION OF A MAGNETIC FIELD ALONG THE CURRENT CHANNEL. THE REQUIREMENT FOR STABILIZATION AND THE THRESHOLD, IN TERMS OF THE CURRENT DENSITY AND BOUNDARY CONDITIONS FOR THE ONSET OF THE INSTABILITY CAN BE CALCULATED THEORETICALLY. WE PROPOSE, THEREFORE, TO CARRY OUT A THEORETICAL ANALYSIS ON THE MHD STABILITY OF THE CURRENT CHANNEL IN THESE SYSTEMS TO DETERMINE THE STABILITY THRESHOLDS BY UTILIZING NORMAL MODE ANALYSIS AND THE ENERGY PRINCIPLE. THE PHYSICAL MODEL OF THE INSTABILITY AND THE ANALYTICAL APPROACH TO BE FOLLOWED ARE DESCRIBED.

* information listed above is at the time of submission.

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