Adriana Bonilla Riano

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In this work holdup is estimated through image processing and compared with the value calculated indirectly by the correlation presented by Rodriguez et al. in [1]. The tests were performed in the multiphase-flow test facilities of the Research Centre (CENPES) of PETROBRAS, Brazil. Flow images were obtained with a high-speed video camera at 1000 fps in a 2(More)
The development of a technique for high spatial and temporal resolution film thickness measurement in oil-water flow is presented. A capacitance measurement system is used to measure thin water films near to the wall pipe. The system consists of seven parts: a signal generator, analog multiplexers, a planar sensor, auto-balancing bridges, logarithmic(More)
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