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PIV / Motion capture

A new standard 2D2C/2D3C PIV software

FLownizer2D/3D[Particle Image Velocimetry]

A new standard Particle Image Velocimetry software with direct cross-correlation method will make a lead to high accuracy measurement and smooth flow visualization.
2D.ver* two component u(x) v(y) in 2D planar domain
3D.ver * three component u(x) v(y) w(z) in 2D planar domain

Velocity, Standard Deviation, Reynolds Stress, Vorticity, Turbulent Kinetic Energy are analyzable.

Flownizer instantly processes the sequential image provided from all kinds of photographic instruments such as high speed camera/double shutter camera/video camera into digital data with a brand new computer architecture.

Flownizer fits perfectly to all velocimetry as follows.
*Air current, Wind tunnel experiment
Flow around structures, car bodies, airfoil.

*Water tank and channels in the lab
flow around water structures, boats and ships, propeller.
Cavitation flow and Hydrological experiment.

*Microscope/Micro PIV
Blood current or movement of microorganism.
micro-bubble.

2D/3D PIV software [Flownizer]

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Details

PIV 2D-2C

Measurement of 2 component velocity vectors in a 2D planar domain based on high image density Particle Image Velocimetry, which tracks small group of particle.

PTV 2D-2C

Measurement of 2 component velocity vectors in a 2D planar domain based on particle tracking velocimetry, which tracks individual particle.

PIV 2D-3C

Measurement of 3 component velocity vectors in a 2D planar domain based on stereoscopic Particle Image Velocimetry.

Calibration

Flownizer supports the grid calibration method/and provides high accuracy data. The calibration of Flownizer corrects the lens distortion and transforms XY data in 2D projection (XYZ data in 2D3C).

Calibration

Preprocessing

Masking function will keep you free from unnecessary area's that will cause error vector. Preprocessing tools such as background differencing technique, filters and arithmetic will help you modify bad original images to analyzable images.

Pre processing

Correlation Coefficient Map

Flownizer has an excellent animation preview function for the correlation coefficient map and other information. The dialogue displays interrogation window image, search window image and the color map of correlation coefficient in this two images.

Correlation Coefficient Map

Data analysis

Abounding result item such as Raw vectors, Average, Angles, Stream line, Streak line, Path line, Vorticity, Turbulent kinetic energy, Reynolds stress, Velocity gradient tensor, Standard deviation, Velocity gradient tensor can be visualized.

Data analysis

specification

spec of “2D/3D PIV software”Flownizer

measuring method PIV 2D2C / PTV 2D2C (2D/3D), PIV 2D3C(3D)
calculation method standard(direct cross-crrelation), Image deformation, Recursive
calculation option Correlation-based correction(CBC), Particle Mask correlation method, correlation average
calibration two point, multi point manual, multi point automatic
pre processing filter, arithmetic, brightness and contrast, H-dome filter, inter-image, mask
preview function Correlation Coefficient Map
vector output resultant(UV), U(x), V(y)[2D/3D]resultant(UVW), W(z)[3D]
post processing remove, replacement, smoothing
animation color display max 16 shades(HSV)
color contour fine, coase, line, coase+line
compute/visualize item Raw vector, Invalide vector, Corrected vector, Mean vector, Instant-mean vector, Ensemble correlation, Correlation coefficient, Stream line, Streak line, Path line,, Vorticity, Turbulent kinetic energy, Reynolds stress, Velocity gradient tensor, Standard deviation, Velocity gradient tensor
graph display point, line, area (distance/velocity)
supported image format AVI, WMV(video), BMP, JPEG, TIFF, PNG(sequential still image)
supported data format binary(di5), CSV
supported OS Windows7, 8, 8.1 (32 or 64bit)
supported SIMD SSE3

Option

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