Solid-to-liquid phase change cooled mirror arrangement

Details Solid-to-liquid phase change cooled mirror arrangement Solid-to-liquid phase change cooled mirror arrangement

1990-12-11

1991-12-31

Davis, Jr., Albert W.

Heat exchange

Intermediate fluent heat exchange material receiving and...

Solid fluent heat exchange material

165902, 62330, F28D 2000

Patent

active

050763482

ABSTRACT:
A phase change material cooled mirror arrangement includes a mirror substrate which has a reflective front major surface and a rear major surface. The mirror is cooled by advancing at least one rod of a solid phase change material toward the rear major surface of the mirror substrate for gradual melting of the material at the rear major surface by heat absorbed from the substrate with attendant cooling of the latter, at an advancement speed sufficient for the solid phase change material to make up for the amount of such material that has been transformed into liquid by the melting thereof. The liquid phase change material is then removed from the vicinity of the substrate and possibly resolidified and added to the trailing end of the rod in a recirculating system.

REFERENCES:
patent: 3780356 (1973-12-01), Laing
patent: 4415234 (1983-11-01), Meyers

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