Gas and liquid contact apparatus – With external supply or removal of heat – Heat exchange means at or downstream of contact zone
Patent
1980-09-11
1981-06-09
Chiesa, Richard L.
Gas and liquid contact apparatus
With external supply or removal of heat
Heat exchange means at or downstream of contact zone
165 65, 165166, 165DIG1, 261112, 261155, 261156, 261DIG11, B01F 304
Patent
active
042724627
ABSTRACT:
An air cooled heat exchanger provided with water distribution means for wetting the surfaces of air flow passages with a thin film of water, which by evaporation enhances the cooling of a fluid. The fluid flows through the heat exchanger in passages arranged in generally parallel, spaced apart layers. A series of metallic fin sheets, extending between the layers, maintain the separation between the layers and define a plurality of air passages. Water is distributed into the air passages as a liquid through slot means disposed on the edge of the layers, at the side where the air stream enters the heat exchanger. The air stream causes the water to spread in a thin film over the surfaces of the air passages, resulting in improved cooling of the fluid by evaporation of the water. Provision is made for collecting any excess water at the side of the heat exchanger where the air stream exits.
REFERENCES:
patent: 2485849 (1949-10-01), Simmons
patent: 2825210 (1958-03-01), Carr
patent: 3256930 (1966-06-01), Norback
patent: 3274752 (1966-09-01), Huyghe et al.
patent: 3504738 (1970-04-01), McGuffey
patent: 3590914 (1971-07-01), Duncan
patent: 3995689 (1976-12-01), Cates
patent: 4036596 (1977-07-01), Ogoshi et al.
patent: 4096214 (1978-06-01), Percevaut et al.
patent: 4218408 (1980-08-01), Henning et al.
Anderson Ronald M.
Chiesa Richard L.
Ferguson Peter D.
Lewis Carl M.
The Trane Company
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