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Processing PIV velocity field measurement data

PIV Measurement of Velocity Distribution in the Moderator Circulation Test (MCT)

PIV Measurement of Velocity Distribution in the Moderator Circulation Test (MCT)

... two-dimensional velocity in the MCT facility under isothermal condition was measured using planar Particle Image Velocimetry (PIV) system which consists of double pulsed laser, syn- chronizer, and high ...

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Velocity Measurement by PIV Using W Shaped Scanning Light Sheet

Velocity Measurement by PIV Using W Shaped Scanning Light Sheet

... proposed PIV method reduces the number of velocity vectors in the x-y plane and significantly deforms the shape of the correlation ...traditional PIV velocity ...two-color PIV system ...

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Determine of velocity field with PIV and CFD during the flow around of bridge piers

Determine of velocity field with PIV and CFD during the flow around of bridge piers

... the velocity field - measuring kit for PIV The main part of this kit includes a double pulse laser type Nd: YAG, manufacturer New Wave Research Gemini PIV type with adjustable repetition rate ...

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Full 3D displacement field measurement by Optical Scanning Tomography and PIV Tomography

Full 3D displacement field measurement by Optical Scanning Tomography and PIV Tomography

... 3D measurement fields This work is about the development of new techniques to study 3D mechanical problems involved inside a volume, in particular in the framework of fluid ...the velocity in a whole volume ...

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Feasibility and accuracy assessment of light field (plenoptic) PIV flow-measurement technique

Feasibility and accuracy assessment of light field (plenoptic) PIV flow-measurement technique

... light field camera can enable measurement of all the three velocity components of a flow field inside a three-dimensional volume when implemented in a PIV ...the measurement ...

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Laser-induced incandescence particle image velocimetry (LII-PIV) for two-phase flow velocity measurement

Laser-induced incandescence particle image velocimetry (LII-PIV) for two-phase flow velocity measurement

... flow, PIV images can be dominated by large bright spots, while the small and dim images of seeded tracers cannot be separated from those large ...image processing side, difficulties include (a) decreases in ...

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The measurement of velocity

The measurement of velocity

... INTRODUCTION In the past forty years in many fields ranging from radio astronomy to oceanography it has been found useful to observe signals, usually in the form of waves, by using several receivers or observation points ...

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Measurements of the velocity fields by PIV method round about titling gate

Measurements of the velocity fields by PIV method round about titling gate

... OF VELOCITY FIELDS ROUND ABOUT TITLING GATE ...METHOD PIV The main part of this set includes a double pulse laser type Nd: YAG laser type, producer of the New Wave Research, Gemini PIV type, with ...

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The Application of EIS and PIV Methods to the Measurement of Aerated Flow

The Application of EIS and PIV Methods to the Measurement of Aerated Flow

... 2.2 PIV method Particle Image Velocimetry is a measurement technique enabling information about the instantaneous distribution of velocities in a two-dimensional field in a flowing fluid to be ...

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Tomographic PIV measurement of coherent dissipation scale structures

Tomographic PIV measurement of coherent dissipation scale structures

... of velocity in the unsmoothed TPIV data counters the natural under-prediction due to spatial averaging, resulting in lower measurement uncertainty for the unsmoothed ...smoothed field ...

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Simultaneous measurement of 3D zooplankton trajectories and surrounding fluid velocity field in complex flows

Simultaneous measurement of 3D zooplankton trajectories and surrounding fluid velocity field in complex flows

... fluid velocity fields simultaneously and ...slip velocity of zooplankton and the resulting differences in trajectory between zooplankton and non-inertial fluid particles in the unsteady wake flow, showing ...

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PIV measurement of constant area mixing in subsonic air ejector

PIV measurement of constant area mixing in subsonic air ejector

... acquire velocity field in axi-symmetric subsonic air ejector with constant area mixing ...and velocity profiles and contours were obtained. The development of velocity profile in the mixing ...

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Image processing of alos palsar satellite data, small  unmanned aerial vehicle (UAV), and field measurement of land deformation

Image processing of alos palsar satellite data, small unmanned aerial vehicle (UAV), and field measurement of land deformation

... Pekanbaru, Indonesia is connected by four big bridges, Siak Bridge; I, II, III and IV. The quality of the Siak bridges deteriorated seriously at this time. Geological mapping for the land subsidence potency was conducted ...

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Development of a Low Cost and Safe PIV for Mean Flow Velocity and Reynolds Stress Measurements

Development of a Low Cost and Safe PIV for Mean Flow Velocity and Reynolds Stress Measurements

... WL PIV measured values of Reynolds stress were in good agreement with the theoretical formula in the boundary ...flow field in the experimental flume was modeled computationally using the two-dimensional ...

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Simultaneous velocity and density measurements using PIV and PLIF in turbulent axisymmetric buoyant plumes

Simultaneous velocity and density measurements using PIV and PLIF in turbulent axisymmetric buoyant plumes

... vertical velocity and buoyancy). This necessitates simultaneous field measurements of velocity and density of the mixing fluids with high spatial and temporal ...resolved measurement of ...

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Influence of the velocity vector base relocation to the center of mass of the interrogation area on PIV accuracy

Influence of the velocity vector base relocation to the center of mass of the interrogation area on PIV accuracy

... measured data , d pi =2,2px, background noise 4,8% ...increased measurement accuracy at the position correction for the evaluated displacements as regards the uneven distribution of particles inside ...

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PIV Measurement of Low Reynolds Number Flow between Plate Fins

PIV Measurement of Low Reynolds Number Flow between Plate Fins

... of velocity in x-direction around the fins heat-transfer tubes of scale ...The velocity fields were obtained by averaging 25 sets of pictures of instantaneous velocity fields taken by ...flow ...

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PIV and CTA Measurement of Constant Area Mixing in Subsonic Air Ejector

PIV and CTA Measurement of Constant Area Mixing in Subsonic Air Ejector

... For PIV measuring, the velocity fields inside the constant area mixing chamber were taken through the vitreous wall of the chamber, while the laser beam entered it from the opened outflow of the ...used. ...

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The minimum record time for PIV measurement in a vessel agitated by a Rushton turbine

The minimum record time for PIV measurement in a vessel agitated by a Rushton turbine

... In PIV studies published in the literature focusing on the investigation of the flow field in an agitated vessel the record time is ranging from the tenths and the units of ...for PIV ...

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Enhancing PIV image and fractal descriptor for velocity and shear stresses propagation around a circular pier

Enhancing PIV image and fractal descriptor for velocity and shear stresses propagation around a circular pier

... Doppler Velocity meter (Micro-ADV) with a frequency of 50 Hz (Scott et ...that measurement using ADV with a frequency of 50 Hz produces reliable data if SNR > 15 ...The velocity fluctuations ...

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