Process and apparatus for enhancing in-tube heat transfer by cha

Details Process and apparatus for enhancing in-tube heat transfer by cha Process and apparatus for enhancing in-tube heat transfer by cha

1992-06-05

1994-05-17

Rivell, John

Heat exchange

With agitating or stirring structure

165144, 165163, F28F 1312

Patent

active

053119320

ABSTRACT:
A process and apparatus for enhancing in-tube heat transfer within a tubular member. A fluid is introduced into the tubular member and then directed in a downstream direction through a coil of the tubular member. The first coil defines a first coil axis. The fluid is further directed in the downstream direction through at least one downstream coil. Each downstream coil has a coil axis which is rotated at a coil switching angle, with respect to the coil axis of the immediately upstream coil. The fluid is maintained at a turbulent flow level within at least a portion of a coiled section of the tubular member. The fluid is then discharged from the tubular member.

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Tufillaro et al., "An Experimental Approach to Nonlinear Dynamics and Chaos," Addison-Wesley Publishing Co., p. 92 (1992).
Aref, H., "Stirring by Chaotic Advection," Journal of Fluid Mechanics, vol. 143, pp. 1-21 (1984).

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