Video recording and quantitative analysis of seed particle track images in unsteady flows
- 1 November 1985
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 24 (21), 3666-3672
- https://doi.org/10.1364/ao.24.003666
Abstract
This paper reports on flow visualization experiments and velocity measurements by video recording and digital analysis of seed track images in an internal combustion engine cylinder flow. The illumination coding schemes and track analysis techniques that are used for the velocity measurements are presented and discussed. We demonstrate the utility of these techniques for detecting well-defined transient structures in unsteady flows.This publication has 6 references indexed in Scilit:
- Pulsed laser technique application to liquid and gaseous flows and the scattering power of seed materialsApplied Optics, 1985
- Intake Valve Cylinder Boundary Flow Characteristics in an Internal Combustion EngineCombustion Science and Technology, 1984
- Optical multichannel analysis with rapid mass storage of spectra: application to CARS measurements of temperature fluctuationsApplied Optics, 1984
- Speckle velocimetry study of vortex pairing in a low-Re unexcited jetPhysics of Fluids, 1983
- Rapid digitized storage of seed-particle-track images in microscopically inhomogeneous flowsOptics Letters, 1982
- Particle streak velocity field measurements in a two-dimensional mixing layerPhysics of Fluids, 1981