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Particle Image Velocimetry Systems for Quantitative Flow Measurements of Bio-Locomotion

Measuring biological flow data with PIV

PIV Systems for Quantitative Flow Measurements of Bio-Locomotion

In January 2019, TSI's Fluid Mechanics team sponsored an all-day particle image velocimetry workshop at the annual meeting of the Society for Integrative and Comparative Biology or SICB.

The workshop, Particle Image Velocimetry for Experimental Biology: Principles, Implementation, and a Hands-on Session, led to this follow-up application note to provide additional information and resources to researchers studying bio-locomotion. In the 8-page PDF, you'll see examples of scientists using PIV to investigate and measure flow structure, vortex structure, flowfield velocity, and other aspects of movement in fish, birds, cephalopods, and other animals or marine vehicles. 


Particle image velocimetry (PIV) is an excellent diagnostic tool that can be used to obtain instantaneous fluid velocity data relevant to your biological flows. PIV provides insight into the fluid mechanics at work and their interplay with relevant subjects of interest in biology including locomotion, propulsive mechanisms and efficiency, agility, and formation flying/swimming. Due to its non-invasive nature, PIV can be used in both water and air environments, without disturbing or influencing the subject of interest.

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Take a closer look at two different PIV systems researchers use when measuring flow data.