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Related Experiment Video

Updated: Jun 20, 2026

High-speed Particle Image Velocimetry Near Surfaces

High-speed Particle Image Velocimetry Near Surfaces

Published on: June 24, 2013

Burst-correlation laser Doppler velocimetry.

R G Brown, R Jones

|September 1, 2009

Summary

Researchers report the first continuous real-time burst-correlation laser velocimetry results. This study demonstrates turbulence power spectra and velocity-correlation measurements using photon-correlation techniques.

Area of Science:

Fluid dynamics
Optical measurement techniques

Background:

Traditional laser velocimetry methods have limitations in capturing continuous, real-time flow dynamics.
Photon-correlation techniques offer potential for high-resolution velocity measurements.

Purpose of the Study:

To introduce and demonstrate the first continuous real-time burst-correlation laser velocimetry (LV).
To validate the application of this technique for analyzing turbulence characteristics.

Main Methods:

Development and implementation of a continuous real-time burst-correlation laser velocimetry system.
Utilizing photon-correlation techniques for data acquisition and processing.
Measurement of turbulence power spectra and velocity-correlation functions.

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Last Updated: Jun 20, 2026

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Published on: June 24, 2013

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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Published on: February 4, 2017

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

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Main Results:

Successful acquisition of continuous, real-time velocity data using burst-correlation LV.
Demonstration of accurate measurement of turbulence power spectra.
Validation of velocity-correlation function determination using photon-correlation methods.

Conclusions:

Continuous real-time burst-correlation laser velocimetry is a viable technique for fluid flow analysis.
This method provides detailed insights into turbulence characteristics.
Photon-correlation techniques enhance the capability of laser velocimetry for advanced flow studies.