Vapor Corporation Announces New Sphere Matrix Technology

—Literature Available W.B. Lampert, general product manager, Heat Exchange Products Division, Vapor Corporation, recently announced the introduction of Vapor Sphere Matrix® Technology that is said to improve performance of liquid-to-liquid, shell-and-tube heat exchangers.

The Sphere Matrix heat exchanger is similar to a conventional shell-and-tube exchanger in overall design. However, unlike the conventional exchanger, a series of fluted spheres are uniformly spaced on a connecting rod and inserted into each tube of a Sphere Matrix heat exchanger.

These inserts serve to interrupt the growth, thereby minimizing the thickness, of the thermal boundary layer that develops on the tube side of the heat transfer surface. They also promote better mixing between the boundary layer and the bulk flow in the tube.

On the shellside ft is customary to use solid spheres uniformly spaced on connecting rods that are nestled around the tubes, with point contact between the spheres and the tube. These sphere rods act similarly to minimize the shell- side thermal boundary and to promote better mixing between the boundary layer and the bulk fluid flow. As with the tube inserts, the geometry of the shellside sphere rods can be optimized.

Vapor Corporation will offer limited production of the new heat exchanger in 1985. Vapor also supplies oil, gas and electric fired steam generators for industrial and marine applications in the U.S. and worldwide.

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Maritime Reporter Magazine, page 68, Dec 1985

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