Air preheater heat transfer elements and method of manufacture

Details Air preheater heat transfer elements and method of manufacture Air preheater heat transfer elements and method of manufacture

1999-05-05

1999-11-16

Atkinson, Christopher

Heat exchange

Regenerator

Movable heat storage mass with enclosure

165 10, 165166, F23L 1502

Patent

active

059839856

ABSTRACT:
Heat transfer elements for rotary regenerative heat exchangers are formed with spacing ridges or notches having flow-disrupting indentations in the peaks of the notches formed at selected intervals to project into the flow channels. These projections interrupt the boundary layer and cause turbulence and mixing to enhance the heat transfer. Various methods of forming the indentations are disclosed.

REFERENCES:
patent: 2596642 (1952-05-01), Boestad
patent: 2940736 (1960-06-01), Odman
patent: 4396058 (1983-08-01), Kurschner et al.
patent: 4744410 (1988-05-01), Groves
patent: 4930569 (1990-06-01), Harder
patent: 5836379 (1998-11-01), Counterman

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