Abstract
The objective of this study is to obtain the pressure distribution on a rotating disk surface using PSP(Pressure-Sensitive Paint). Platinum(II) meso-tetrakis(pentafluorophenyl)porphyrin (PtTFPP) is used as a luminophore of PSP. The change in pressure on the rotating disk (radius is 150mm) is small, and under 3kPa from the reference pressure. However, it is shown that the surface pressure increases as quadratic function from the center to the disk edge and the change of pressure in the radial direction becomes larger with increasing the rotating speed (2000-4000rpm).
