Radiant tubes having internal fins

Heat exchange – With coated – roughened or polished surface

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Details

165146, 165184, 165DIG525, 165DIG517, F28F 140

Patent

active

056555997

ABSTRACT:
An improved radiant heat transfer tube with internal fins is provided. Optimum design characteristics for the number of fins, the height or length of the fins and the twist of the fins is provided to enhance convective and radiant heat transfer from combustion gases inside the tube to the inside surface of the tube. The fin design applies to tubes fabricated from high temperature metal alloys, monolithic ceramics, metal matrix composites or ceramic matrix composites.

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Enhanced Ceramic Tubes for High Temperature Waste Heat Recovery, R.D. Armstrong and A.E. Bergles; Feb. 1989.
Ceramic Component Manufacturing Technology Development, I. Ruppel, J. Halstead; Dec. 1985; Gas Research Institute.
Publication: Advances in Ceramics; vol. 14; The American Ceramic Society, Inc.; Index and pp. 286-287, 291-296 (1985).

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