Heat transfer surface and manufacturing method for same

Details Heat transfer surface and manufacturing method for same Heat transfer surface and manufacturing method for same

1983-12-14

1985-12-31

Davis, Jr., Albert W.

Heat exchange

With coated, roughened or polished surface

291573R, F28F 1318

Patent

active

045614970

ABSTRACT:
In a heat transfer surface having cavity groups and restricted opening groups in an outer surface region, the cavity groups are composed of a plurality of rows of void strip members. The cavity strip members are arranged in parallel on a base member of the heat transfer surface and are laminated in one or more layers. Each strip member has a number of elongate cavities laterally arranged in parallel. The elongate cavities are closed at upper surfaces and have at both ends openings. The adjacent cavities in the same layer are communicated with each other by communicating portions each provided between the cavity strip members and by the openings. The restricted opening groups are formed on the upper surfaces of the communicating portions. The restricted opening groups render the communicating portions in one layer, the communicating portions in another layer and the outside to communicate with each another. The method of manufacturing such a heat transfer surface is also disclosed.

REFERENCES:
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Heat Transfer Engineering vol. 2, Nos. 3-4, Jan.-Jun. 1981, pp. 46-69.

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