Recent Advances in Particle Image Velocimetry for Aerospace Science
Markus Raffel (German Aerospace Center)
Steven J. Beresh (Sandia National Laboratories, New Mexico)
Jenna Eppink (NASA Langley Research Center)
Fulvio Scarano (TU Delft - Aerodynamics)
Daniel Schanz (German Aerospace Center)
Andreas Schröder (German Aerospace Center)
Christian E. Willert (German Aerospace Center)
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Abstract
Recent advances in particle image velocimetry (PIV) have taken it far beyond its original role as a two-dimensional velocity measurement technique. The combination of improved hardware, algorithmic innovations and interdisciplinary synergies positions PIV as a highly flexible and powerful tool supporting modern aerospace science applications. In this article, important current developments will be presented in detail to demonstrate their capabilities for volumetric measurement, time-resolved data sequences, large-scale applications, Lagrangian particle tracking, overcoming optical access restrictions, incorporation of machine-learning technologies, and adoption of emerging camera technologies.
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File under embargo until 08-07-2026