Alternative methods for diagnosing the flow regime in a bubble column

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An alternative method that can help identification of the flow regime in a bubble column using a non-invasive methodology is proposed. It is based on the analysis of the time series of the number of photon counts emitted by a radioactive source that are able to cross part of the gas-liquid emulsion...

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Detalles Bibliográficos
Autores principales: Fraguío, M.S., Cassanello, M.C., Cardona, M.A., Hojman, D., Somacal, H., Atanor; Compania Mega S.A.; Consejo Federal de Inversiones (CFI); Dow; et al.; Petroquimica Rio Tercero SA (PRIII)
Formato: CONF
Materias:
Bubble columns
Flow regime transitions
Non-invasive methods
Emulsification
Emulsions
Noninvasive medical procedures
Radioactive prospecting
Radioactivity
Scintillation
Time series analysis
Flow regime transition
Flow regimes
Gas liquids
Noninvasive methods
Photon count
Radioactive sources
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_NIS12853_v_n_p_Fraguio
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:An alternative method that can help identification of the flow regime in a bubble column using a non-invasive methodology is proposed. It is based on the analysis of the time series of the number of photon counts emitted by a radioactive source that are able to cross part of the gas-liquid emulsion and impinge on a conveniently located scintillation detector. Statistic numbers estimated from the response of the scintillation detector to the presence of an external radioactive source located close to the reactor can provide an indication of the underlying flow regime. The procedure is simple, not expensive and can be easily implemented on an existing installation.

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