Contribution to the study of a non-invasive probe for measuring the water thickness in a core-annular flow / Contribuição ao estudo de um medidor não-invasivo da espessura da camada de agua em um escoamento anular oleo-agua

AUTOR(ES)
DATA DE PUBLICAÇÃO

2010

RESUMO

This work is a contribution to the study of a non-intrusive probe for measurement of the thickness of the water layer of a core-annular flow. A capacitive probe was built and its static performance was evaluated from tests executed in a specially designed bench-scale apparatus. In addition, evaluation of the dynamic performance was made possible from fluid-flow tests in a multiphase flow loop. From the static tests information was obtained about the probe output: shape of the produced response, sensitivity, range and the water electrical conductivity effect. The experimental data were compared with results of a numerical simulation available from a different author. In the dynamic tests the measurement technique used to obtain the thickness of the annular water layer consisted of a sequence of photographic images from a fast camera. The results were compared with those from the capacitive probe, allowing the evaluation of its performance in the presence of fluid flow. The results demonstrate the potential of the considered system, but they also point out to the necessity of new studies and development

ASSUNTO(S)

detectores escoamento bifasico heavy oil capacitors sondas (instrumentos eletronicos) probes (electronic instruments) two-phase flow capacitores petroleos pesados detectors

ACESSO AO ARTIGO

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