2018 Volume 38 Issue 148 Pages 3-9
Fundamental elements for the unsteady PSP/TSP measurement, which were measurement hardware, paint, and data reduction method, were introduced in this paper. Especially, difference from the conventional PSP/TSP measurement in papers in the special issues were described in detail. Important researches for the unsteady PSP/TSP measurement progress were picked up to understand key points of the technologies. Recent progresses in PSP/TSP paint developments and data reduction methods were also introduced.