Transport Phenomena in Thermal Engineering. Volume 2

ISBN Print: 1-56700-015-0

THREE-DIMENSIONAL PIV USING KALMAN FILTER FOR HIGHER SPATIAL RESOLUTION

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DOI: 10.1615/ISTP-VI.1090
pages 1450-1455

Kakuji Ogawara Department of Mechanical Engineering II, Hokkaido University, N13-W8 Kita-ku, Sapporo 060, JAPAN

Katsunori Yagoh Department of Mechanical Engineering II, Hokkaido University, N13-W8 Kita-ku, Sapporo 060, JAPAN

Sei-ichi Iida Department of Mechanical Engineering II, Hokkaido University, N13-W8 Kita-ku, Sapporo 060, JAPAN

Abstract

A particle tracking method using the Kalman filter is presented. Three-dimensional particle tracking using this method has been numerically simulated in order to investigate its performance when the concentration of particles in a measuring region is dense and the noise level of observed particle positions is high. Three-dimensional flow passing through a cubic chamber which possessed an offset inlet and an outlet duct was used for the simulated measurement. Results were compared with the ones obtained by a currently well-recognized particle tracking method, and showed that the spatial resolution of three-dimensional PIV was considerably improved by Kalman filtering and that the excellent performance was highly maintained even when a large amount of noise was included in particle positions.

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