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Artificial Intelligence in Particle Image Velocimetry

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Thirty-five years after the introduction of cross-correlation for particle image velocimetry, a technique that relies on AI could change the way flows are measured.

WOJCIECH MAJEWSKI, MICROVEC PTE. LTD.

The first article to use the term “particle image velocimetry” (PIV) was published in 1984. Since then, PIV has become a standard method for flow measurements. The technique has remained largely unchanged over the past 35 years. Continuous lasers or special double-pulse lasers, also known as PIV lasers, are used to generate laser light sheets with special optics. The light sheet illuminates a plane that makes visible the seeding particles that follow the flow. The light scatters off the particles and an image is taken with a camera, capturing an instantaneous snapshot of the flow...Read full article

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