Development of a novel calibration procedure for SPIV underwater measurements in towing tank: Flow-based calibration (Rapporti tecnici/preprint/working paper)

Type
Label
  • Development of a novel calibration procedure for SPIV underwater measurements in towing tank: Flow-based calibration (Rapporti tecnici/preprint/working paper) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Di Felice, Fabio ; D'Addeo, Luigi ; Maggi, Veraldo; Falchi, Massimo ; Grizzi, Silvano (2011)
    Development of a novel calibration procedure for SPIV underwater measurements in towing tank: Flow-based calibration
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Di Felice, Fabio ; D'Addeo, Luigi ; Maggi, Veraldo; Falchi, Massimo ; Grizzi, Silvano (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Project Hydro-Testing Alliance / JRP1 PIV (Particle Image Velocimetry) operation in hydrodynamic experimental facilities (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 16 (literal)
Note
  • PuM (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-INSEAN, Roma - Istituto Nazionale per Studi ed Esperienze di Architettura Navale (literal)
Titolo
  • Development of a novel calibration procedure for SPIV underwater measurements in towing tank: Flow-based calibration (literal)
Abstract
  • An enhancement of Stereo PIV calibration is presented. The feature of this technique is to calibrate the Stereo system directly from a uniform flow measurement. This is achieved making a first two-dimensional calibration of the measurement plane using a standard dotted target, then getting information of perspective and laser sheet thickness from some measurements of well-known flows (uniform flow). This technique results in three-dimensional measurements of high accuracy with a simple calibration phase and reduces mechanical misalignment and dot recognition errors. A very simple application of this technique is performed in towing tanks. The technique is tested to a tip vortex couple of a submarine bridge fin. (literal)
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