Abstract
Holographic recording overcomes the limits in 2-D particle image velocimetry (PIV) to cover a 3-D flow field volume. Interrogation by focusing on single planes in a reconstructed particle field is disturbed by noise from out-of-focus particles. A numerical simulation models image reconstruction and shows how validation rates depend on aperture and volume depth. An experimental model environment of scattering particles in moveable plastic slices gives support to the numerical results. Simulations and tests are carried out for interrogation by autocorrelation and crosscorrelation techniques and furnish guidelines for system design.
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Received: 27 December 1996 / Accepted: 14 August 1997
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Hinrichs, H., Hinsch, K., Kickstein, J. et al. Deep field noise in holographic particle image velocimetry (HPIV): numerical and experimental particle image field modelling. Experiments in Fluids 24, 333–339 (1998). https://doi.org/10.1007/s003480050180
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DOI: https://doi.org/10.1007/s003480050180