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Stereo PIV System

SKU: MODULE4G-STRPIV

The Stereoscopic PIV is used to obtain the three-component velocity field in a planar region illuminated by a laser light sheet. Also known as 3D-PIV, the fundamental principle is stereoscopic imaging: two cameras view the illumination plane at different angles and a 3D calibration is used to extract the out-of-plane velocity component in addition to the two in-plane components. Stereo-PIV data reduction provides the true particle displacements and online 3-D velocity vector field display.

Product Details

Since introducing the first commercial 2D-PIV system in 1988, TSI has led the way in PIV innovation and technology. A natural extension of 2D-PIV is Stereoscopic PIV, which provides the out-of-plane velocity component, in addition to the two in-plane components, upon the addition of a second camera. Stereoscopic PIV provides enhanced understanding of a flow relative to 2D-PIV because it offers insight into the three-dimensional structure within the illumination plane. TSI's Stereoscopic PIV systems maintains our strong PIV tradition by incorporating advanced analysis schemes in a robust hardware and software platform built for flexibility and expansion.

Stereoscopic PIV systems can be supplied in low-speed (several Hertz), mid-speed, and high-speed (even 10s of kilohertz) forms, allowing the customer to achieve whatever temporal resolution is needed for their specific application. Please see TSI’s Time-Resolved PIV systems for additional details.

TSI has supplied Stereoscopic PIV systems for many applications, both traditional and unique. Some of the more interesting applications include large-scale wind tunnels (where TSI’s new Bubble Generator is invaluable), tow tanks (where remote camera control is a must), and index-of-refraction matched facilities.

Applications

  • Three-dimensional flows including shear layers, wakes, and boundary layers
  • Wind tunnel and water tunnel measurements
  • Turbulence studies
  • Tow tanks
  • Index-matched flow facilities

Core System Components

  • Double-pulse PIV laser (typically Nd:YAG or Nd:YLF)
  • Light sheet optics (i.e., Model 610026)
  • PIV cameras (2) with frame-straddling (specific model depends upon application; includes camera lens, all interface cables, camera frame grabber)
  • Stereo-PIV Assembly kit (i.e., Model 640054) including Dual Plane/Dual Sided (DPDS) calibration target, base, brackets, camera mounts, Scheimpflug mounts, and alignment kit
  • LaserPulse™ Synchronizer (Model 610036)
  • INSIGHT™ 4G Data Acquisition, Analysis and Display Software Package and PC
  • Seed particles and/or seed particle generator (i.e., Model 9307)

Accessories and Customization Options

  • Additional lens optics for beam focusing and sheet generation
  • LaserPulse light arm (Model 610015)
  • Specialty camera lenses
  • Camera lens optical filter (i.e., Model 610070)
  • Remote scheimpflug, aperture, and focus control for cameras
  • Custom-sized Dual-Plane/Dual-Sided (DPDS) calibration targets
  • GPU-processing capability
  • A broad selection of available lasers (energies/powers, repetition rates, wavelengths, etc.) and cameras (CCD, CMOS, and sCMOS sensors, and varied spatial resolution, frame rates, and sensitivities), depending on your needs!

Features & Benefits

  • On-line measurement and display of all three velocity components
  • Optimum Scheimpflug camera configuration
  • On-line mapping function eliminates the need to measure camera angles
  • On-line PIV image display
  • PowerView™ PIV cameras with very short frame-straddling times
  • DPDS target for generating mapping function eliminates need to traverse target
  • High-speed camera interfaces for on-line data transfer
  • Back-, forward- or side-scatter camera positioning
  • Optional remote focusing and Scheimpflug adjustment

Related Resources

BROWSE SECTIONS
  • Application Notes
  • Brochures
  • Catalogs
  • Posters
  • Spec Sheets
  • Technical Notes
  • Technical Papers

Application Notes

Posters

Technical Notes