FIELD: nuclear engineering. SUBSTANCE: case is made in the form of force pipe installed in shell. Annular pipe-to-shell clearance is filled with porous heat-insulating layer of material characterized in low neutron absorption section and is hermetically sealed at ends. Such design provides for lower transfer of heat energy from steam carried by force pipe to water flowing outside over case due to higher thermal resistance. EFFECT: improved heat-insulating properties of reheat channel case. 8 cl, 1 dwg
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