Condenser with small hydraulic diameter flow path

Details Condenser with small hydraulic diameter flow path Condenser with small hydraulic diameter flow path

1988-01-07

1991-03-12

Price, Carl D.

Heat exchange

With coated, roughened or polished surface

165152, 165173, 165179, F28F 1318, F28F 1902

Patent

active

049985809

ABSTRACT:
An improved condenser for use in air conditioning or refrigeration systems. A pair of spaced headers have a plurality of tubes extending in hydraulic parallel between them and each tube defines a plurality of hydraulically parallel, fluid flow paths between the headers. Each of the fluid flow paths has a hydraulic diameter in the range of about 0.015 to about 0.04 inches. Preferably, each fluid flow path has an elongated crevice extending along its length to accumulate condensate and to assist in minimizing film thickness on heat exchange surfaces through the action of surface tension. Heat exchange surfaces may also be provided with microcracks or channels to enhance heat transfer.

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"Compact Heat Exchangers", McGraw-Hill, Copyright 1955 and 1964, pp. 1-9.

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