MHD Electrode and wall constructions

Details MHD Electrode and wall constructions MHD Electrode and wall constructions

1978-06-30

1984-02-07

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Conducting fluid

H02K 4500

Patent

active

044305885

ABSTRACT:
Electrode and wall constructions for the walls of a channel transmitting the hot plasma in a magnetohydrodynamic generator. The electrodes and walls are made of a plurality of similar modules which are spaced from one another along the channel. The electrodes can be metallic or ceramic, and each module includes one or more electrodes which are exposed to the plasma and a metallic cooling bar which is spaced from the plasma and which has passages through which a cooling fluid flows to remove heat transmitted from the electrode to the cooling bar. Each electrode module is spaced from and electrically insulated from each adjacent module while interconnected by the cooling fluid which serially flows among selected modules. A wall module includes an electrically insulating ceramic body exposed to the plasma and affixed, preferably by mechanical clips or by brazing, to a metallic cooling bar spaced from the plasma and having cooling fluid passages. Each wall module is, similar to the electrode modules, electrically insulated from the adjacent modules and serially interconnected to other modules by the cooling fluid.

REFERENCES:
patent: 3428834 (1969-02-01), Yerouchalmi
patent: 3475627 (1969-10-01), Richez et al.
patent: 3479538 (1969-11-01), Yerouchalmi
patent: 3487256 (1969-12-01), Du Bois et al.
patent: 3488548 (1970-01-01), Du Bois
patent: 3508087 (1970-04-01), Millet et al.

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