Shell and tube heat transfer apparatus and process therefor

Details Shell and tube heat transfer apparatus and process therefor Shell and tube heat transfer apparatus and process therefor

1985-08-21

1986-06-10

Richter, Sheldon J.

Heat exchange

With agitating or stirring structure

165161, 165174, 165179, 165907, F28F 924, F28F 1302, F28F 1308

Patent

active

045937540

ABSTRACT:
Shell and tube heat transfer apparatus and a corresponding process of heat transfer employ a fluid flow consisting of non-turbulent boundary-layers adjacent the inner and outer heat exchanger surfaces of the tubes and a non-turbulent core-layer between the boundary-layers and interfacing therewith. Interrupter-structures disposed within the tube and shell flow passes and interrupt the full development of the boundary-layers at a multitude of spaced spots, leaving the heat transfer surfaces unaltered, unmodified and uninterrupted, so that the boundary-layers cannot increase in thickness but will partially separate from the surfaces and mix non-turbulently with the core-layer to effect the required heat transfer between the surfaces and the fluid. The interrupter-structure preferably consists of a plurality of rows of spheres, with which the space remote from the heat exchange surface is filled with a space-filling material to prevent the useless flow of fluid in a space not effective for heat transfer. The interrupter structure may also comprise a unitary body of equivalent shape.

REFERENCES:
patent: 1015261 (1912-01-01), Bone et al.
patent: 3063925 (1962-11-01), Huet
patent: 3170512 (1965-02-01), Smith
patent: 3704748 (1972-12-01), Hapgood
patent: 3921711 (1975-11-01), Westbrock
patent: 3921712 (1975-11-01), Renzi
patent: 4051891 (1977-10-01), Harrison

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