| Texto completo | |
| Autor(es): |
Kurimoto, Ryo
;
Neumeister, Roberta Fatima
;
Komine, Ryuya
;
Ribatski, Gherhardt
;
Hayashi, Kosuke
Número total de Autores: 5
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Chemical Engineering Science; v. 299, p. 11-pg., 2024-07-29. |
| Resumo | |
The shapes and terminal velocities of single bubbles in the surface tension force and the inertial force dominant regime were measured in a vertical bundle consisting of fluorinated ethylene propylene fibers of 2 mm diameter. Three kinds of fiber arrangements were tested with the fiber pitches Lp of 18, 12, and 6 mm. The terminal velocities in the bundles were larger than those in the absence of a fiber bundle and increased with decreasing Lp. The bubble shapes were significantly deformed by fibers, which would be the cause of the velocity increase, i.e., a reduction in the form drag. The terminal velocities in the bundles were well predicted by the combination of the drag correlation in the absence of a fiber bundle and the multiplier for bubbles in fiber bundles. (AU) | |
| Processo FAPESP: | 22/03832-6 - Análise teórico e experimental do desenvolvimento do escoamento monofásico e com bolhas dispersas em feixes de tubos verticais |
| Beneficiário: | Roberta Fátima Neumeister |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |
| Processo FAPESP: | 23/09527-3 - Medições bidimensionais e tridimensionais da velocidade do escoamento em feixe de hastes aplicando velocimetria de filtro espacial |
| Beneficiário: | Roberta Fátima Neumeister |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado |