Liquid distribution and holdup in the random packed column
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Flow Measurement and Instrumentation
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In the present work, a third-generation gamma transmission tomography system was used to evaluate the liquid
distributions of a Raschig rings random packed column, at two different water flows: 2 and 6 l/min. For each
water flow, the measurements were carried out at nine column heights. The liquid-gas holdup was determined
by the reconstructed images. The distribution of the Raschig rings, as well as the position and the average
accumulated amount of the water concentration among the Raschig rings were capable to be determined, even at
low temporal resolution of the system of 8.8 h. The regions of accumulated water concentration were similar for
the water flow velocities at 2 and 6 l/min. The average accumulated water concentration for 6 l/min was higher
compared to 2 l/min. The spatial resolution of the tomography system determined by the modulation transfer
function (MTF) analysis was of 1.45 mm.
Como referenciar
VELO, A.F.; CARVALHO, D.V.S.; HAMADA, M.M. Liquid distribution and holdup in the random packed column. Flow Measurement and Instrumentation, v. 62, p. 176-185, 2018. DOI: 10.1016/j.flowmeasinst.2017.11.002. Disponível em: http://repositorio.ipen.br/handle/123456789/29258. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.