Method of improved heat transfer

Details Method of improved heat transfer Method of improved heat transfer

1994-08-10

1996-03-12

Flanigan, Allen J.

Heat exchange

Regenerator

Checker brick structure

165184, 1651091, 138 38, F28F 1302

Patent

active

054978246

ABSTRACT:
An improved method of heat transfer between a first substantially homogenous fluid passing through the inside of a heat exchange tube, and a second fluid on the outside of the heat exchange tube includes the step of passing the first fluid through a compound turbulator inside the tube. The compound turbulator includes a twisted strip surrounded by a helical coil that is closely spaced from the walls of the tube. Passing the first fluid over the compound turbulator generates a high level of turbulence in the first fluid in the region adjacent the tube wall, facilitating heat transfer to the second fluid on the outside of the heat exchange tube. The augmentation of heat transfer to the second fluid can also be accomplished through the use of a helical coil installed on the outside of the tube.

REFERENCES:
patent: 1246583 (1917-11-01), Fulweiler
patent: 2220726 (1940-11-01), Newcum
patent: 4009751 (1977-03-01), Zelnik
patent: 4798241 (1989-01-01), Jarrett et al.

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