Single camera 3D planar velocity measurements using imaging fibre bundles and two frequency Planar Doppler Velocimetry (2nu-PDV)
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Charrett, Thomas O. H.
Ford, Helen D.
Tatam, Ralph P.
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0277-786X
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Charrett TO, Ford HD, Tatam RP. (2005) Single camera 3D planar velocity measurements using imaging fibre bundles and two frequency Planar Doppler Velocimetry (2nu-PDV). In: Proceedings of the 17th International Conference on Optical Fiber Sensors, 23-27 May 2005, Bruges, Belgium. Proceedings of the SPIE, Volume 5855, pp. 924-927
Abstract
3D planar flow-field measurements are made using multiple imaging fibre bundles to port different views of the measurement plane, defined by a laser light sheet, to a CCD camera. The Doppler frequency shifts of particles entrained in the flow are transduced to intensity using an iodine absorption cell. Only a single CCD camera is used eliminating the pixel matching problem. Two optical frequencies generated from the same source are used sequentially to provide a reference and signal image.
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Github
Keywords
Planar Doppler Velocimetry, PDV, Doppler Global Velocimetry, DGV, acousto-optic modulators, imaging fibre bundles