Heat exchange – With thermal or acoustical blocker
Patent
1992-11-19
1994-06-07
Flanigan, Allen J.
Heat exchange
With thermal or acoustical blocker
165172, 122 4R, F28F 700
Patent
active
053181093
ABSTRACT:
A heat exchange apparatus is composed of a plurality of tube banks arranged in rows each comprising a plurality of tubes arranged in a direction normal to a gas flow in a gas passage duct and in the heat exchanger, an interval of a space between mutually adjoining tube banks in the gas flow direction is less than eight times of a depth of a tube group disposed on an upstream side with respect to the gas flow and baffle plates are disposed in the respective tube banks for preventing a multibank tubing compound resonance. Each of the baffle plates disposed in an upstream side tube bank has an extension extending from a center of a most downstream side tube in the upstream side tube bank and having a length more than two times of a tube pitch in the gas flow direction, and each of the baffle plates disposed in a downstream side tube bank has an extension extending from a center of a most upstream side tube in the downstream side tube bank and having a length more than two times of a tube pitch in the gas flow direction.
REFERENCES:
patent: 2893509 (1959-07-01), Baird
patent: 3263654 (1966-08-01), Cohan et al.
patent: 3265040 (1966-08-01), Chen
patent: 3651788 (1972-03-01), Chayes
patent: 4226279 (1980-10-01), Eisinger et al.
patent: 5058664 (1991-10-01), Gentry
Nemoto Akira
Yamada Minoru
Flanigan Allen J.
Kabushiki Kaisha Toshiba
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