The study of vortexes based on the multi colored particle image velocimetry technique

The paper is concerned with a prospective method of qualitative and qualitative diagnostic technique – multi colored particle image velocimetry. The method proposed relies on illuminating of the studied flow by three laser planes with different wavelengths. The advantages of applying the technique in practice to investigate various flows have described. An efficiency verification of multi colored particle image velocimetry method to study vortex structures has been conducted. An experimental setup has assembled and an algorithm of the recorde images processing procedure has been developed. To assess the quality of MPIV measurements the experimental images have been compared with the computer model. (paper)