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Instantaneous, three-component planar Doppler velocimetry using imaging fibre bundles

By David S. Nobes, Helen D. Ford and Ralph P. Tatam


Abstract This paper describes a planar Doppler velocimetry (PDV) technique that is capable of measuring the three, instantaneous and time average components of velocity over two spatial dimensions using a single pair of signal and reference cameras. The three views required to obtain three-component velocity information are guided from the collection optics to a single imaging plane using flexible fibre imaging bundles. These are made up of a coherent array of single fibres and are combined at one end as the input plane to the measurement head. Measurements of the velocity field of a rotating disk are used in the development of the technique and initial results of the instantaneous velocity field of a jet are presented

Publisher: Springer Science Business Media
Year: 2004
DOI identifier: 10.1007/s00348-003-0586-0
OAI identifier:
Provided by: Cranfield CERES

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