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PIV-Systeme

*Diese Seite ist leider nur in Englisch verfügbar.*

Particle Image Velocimetry (PIV) Systems

TSI PIV systems measure velocity by determining particle displacement over a precisely selected time using a double-pulsed laser technique. A laser light sheet illuminates a plane in the flow, and the positions of particles (naturally present or added to the flow to have sufficient number of scatterers) in that plane are recorded using a digital camera. A short time (micro or milliseconds) later, a second pulse illuminates the same plane, creating a second set of particle image velocimetry.

From these sets of images, unique micro PIV and stereo PIV analysis algorithms obtain the particle displacements for the imaged region, to give the velocity information at thousands of locations-quickly, easily, reliably. Flow properties such as vorticity and strain rates are obtained for the entire region. Mean velocity, turbulence intensity, and higher order statistics are also obtained.

MicroPIV systems measure the global flow fields in MEMS and microchannels, while High Frame Rate systems provide time resolved measurements with kHz update rates. TSI systems using patented Hart and Rohaly-Hart correlations and MicroPIV techniques give the most accurate results. PIV/PLIF systems measure velocity and scalar properties.

To learn more about PIV instrumentation and the many areas of research this system is involved in, attend TSI's Fluid Mechanics Webinar Series presented by our experts.

PIV-System für Messungen in 2D

*Diese Seite ist leider nur in Englisch verfügbar.*Particle image velocimetry (PIV) systems...

PIV-System MicroPIV

The MicroPIV System is@the most advanced,@accurate tool available for microflow measurements...

Stereo-PIV-System

*Diese Seite ist leider nur in Englisch verfügbar.*Stereoscopic PIV is used to obtain the three...

Zeitaufgelöstes PIV-System

*Diese Seite ist leider nur in Englisch verfügbar.*To obtain detailed temporal and spatial...

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