Heat transfer tube for single phase flow

Details Heat transfer tube for single phase flow Heat transfer tube for single phase flow

1985-06-20

1987-09-01

Davis, Jr., Albert W.

Heat exchange

Tubular structure

165184, 138 38, F28F 100

Patent

active

046902112

ABSTRACT:
A heat transfer tube for single-phase flow having rows of discontinuous projections formed on the inner surface thereof along one or more spiral curves. Each projection has a circular, elliptic or a similar cross-section constituted by smooth curves at any desired height including the bottom thereof. The cross-sectional area of the projection progessively decreases towards the top of the projection.

REFERENCES:
patent: 3217799 (1965-11-01), Rogers
patent: 3734140 (1973-05-01), Nakamura et al.
patent: 3779312 (1973-12-01), Withers, Jr. et al.
patent: 4059147 (1977-11-01), Thorne
patent: 4314587 (1982-02-01), Hacket
patent: 4425942 (1984-01-01), Hage et al.
patent: 4438807 (1984-03-01), Mathur et al.
patent: 4458748 (1984-07-01), Yamada et al.

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