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A local optical probe using fluorescence and reflectance for measurement of volume fractions in multi-phase flows

Rogerio T Ramos1,3, Andrew Holmes1, Xu Wu2 and Elizabeth Dussan2

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Three-phase volume-fraction measurement can be obtained by a combination of reflectance and fluorescence methods. Fluorescence from oil can be detected by an optical fibre probe placed in the flow, while reflectance at the end of the same fibre probe is also detected. The method is demonstrated by preliminary experiments.


PACS

47.55.Kf Multiphase and particle-laden flows

06.30.Bp Spatial dimensions (e.g., position, lengths, volume, angles, and displacements)

42.81.Wg Other fiber-optical devices

Subjects

Fluid dynamics

Instrumentation and measurement

Optics, quantum optics and lasers

Dates

Issue 7 (July 2001)

Received 10 January 2001, accepted for publication 21 February 2001



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