Heat exchange – With agitating or stirring structure
Patent
1984-06-11
1985-12-24
Richter, Sheldon J.
Heat exchange
With agitating or stirring structure
122 44A, 122DIG13, 126901, 138 38, 165133, 165904, F28F 1312, F28F 1318
Patent
active
045599980
ABSTRACT:
A tubular recuperative heat exchanger (10) is adapted for transferring heat from a hot gas stream having a temperature of 1200 F. flowing over the outside surface of the heat exchange tubes (12) to a cold gas stream flowing therethrough. A turbulator (22) is disposed within each heat exchange tube (12) to improve convective heat exchange. The turbulator (22) is coated with a material having a higher absorptivity than that of the underlying surface of the turbulator. Further, the inside surface (24) of the heat exchange tubes (12) may be coated with a material having a higher emissivity than that of the underlying inside surface of the heat exchange tubes.
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Habelt William W.
Richter Sheldon J.
Smith Randolph A.
The Air Preheater Company, Inc.
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