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| Titel: |
VISUALIZATION OF BOILING PHENOMENA IN A BEAD-PACKED STRUCTURE |
| Auteur: |
Wang, Z. Peng, X. F. Liu, T. |
| Verschenen in: |
Experimental heat transfer |
| Paginering: | Jaargang 15 (2002) nr. 3 pagina's 177-189 |
| Jaar: |
2002-07-01 |
| Inhoud: |
A visual study was conducted on the boiling behavior, especially the dry-out and rewetting process, in a three-dimensional porous structure made of staggered glass beads. The bead-packed structure was filled with water, and heated from below. Using a high-speed video imaging system, pore-scale bubble growth behavior in the bead-packed structure was observed. In the pore-scale view, it was found that the narrow-gap corner between a glass bead and the heated wall is a dual-effect area that is a very active wetting area as well as an active bubble-generation area. Replenishment that plays a very important role on the dry-out and rewetting process is a unique characteristic in the bead-packed structure, and also the liquid supply for wetting effect of the narrow-gap corner zone. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 4 gevonden artikelen
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