Inclined radially louvered fin heat exchanger

Details Inclined radially louvered fin heat exchanger Inclined radially louvered fin heat exchanger

1983-05-24

1985-11-05

Richter, Sheldon J.

Heat exchange

Radiator core type

Side-by-side tubes traversing fin means

F28F 132

Patent

active

045507767

ABSTRACT:
An improved louver pattern for fins of a tube and fin type heat exchanger, in which groups of louvers are formed radially with respect to the tubes, extending from each tube to adjacent tubes. Each louver group consists of a plurality of parallel slits in the fin extending in the radial direction, and defining elongate rectangular portions of the fin therebetween, which are twisted at an angle to form inclined louvers in an otherwise generally planar fin. The louver groups thus formed provide improved turbulence and mixing to break up the viscous or boundary layer of flow across the fin, and to create turbulence and vorticity to further improve mixing of the fluid and heat transfer.

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