FIELD: power engineering.
SUBSTANCE: method for manufacturing of cooling path in thermally stressed structures consists in production of inner and outer shells by means of turning, arrangement of ribs on outer surface of inner shell and further connection of inner and outer shells along tops of ribs, for instance with the help of soldering, to form cooling channels. On surfaces of ribs that form cooling channels, grooves are arranged in the form of spiral grooves or in the form of part of circumference arc, besides at one side of each rib, arc beginning is arranged near rib base, and at the other side - near its top.
EFFECT: improved conditions of heat and mass transfer.
2 dwg
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