Abstract
In this paper, the boiling in single and layered packed beds filled with Freon-113 has been investigated experimentally and theoretically. Boiling phenomenon in packed bed under the capillary action was characterized by a formation of two-phase region composed of liquid and vapor phases. In layered packed bed composed of different particle beds, the liquid content becomes discontinuous at the interface because of the difference of the liquid characteristics between two layers. It was found that the dryout heat flux strongly depends on the structure of layered packed bed. The predicted results for the dryout heat flux were compared with the experimental results using a packed bed composed of glass beads.
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More From: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
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