Heat exchanger core

Details Heat exchanger core Heat exchanger core

1989-04-12

1991-08-20

Nilson, Robert G.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165183, 165185, B28F 300

Patent

active

050405969

ABSTRACT:
Disclosed is a heat exchanger core in which a fluid is caused to flow through a pipe body rectangular in cross section so that the heat exchange is effected between the flowing fluid and a heat medium in contact with the outer walls of the pipe body. Within the pipe body, a plurality of projections and/or grooves for flowing the fluid at an inclined angle with respect to the direction of the flow of the fluid (the axis of the heat exchanger core) and the streams flow through the inclined passages, respectively, and then are reversed in direction. Such a flow pattern is repeated so that the efficiency of heat transfer by conduction can be improved without the noticeable increase in pressure loss.

REFERENCES:
patent: 2678808 (1954-05-01), Gier
patent: 2965819 (1960-12-01), Rosenbaum
patent: 3163207 (1964-12-01), Schultz
patent: 3455376 (1969-07-01), Beurtheret

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