| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for efficiently and accurately measuring a penetration flow rate of a rotor by PIV.SOLUTION: A penetration flow rate measurement method includes a particle dispersion step for dispersion tracer particles into liquid and a photographing step for photographing tracer particles, and, in an image signal processing part, a flow rate measurement step S10 for measuring speed distribution of fluid by PIV, an approximation function creation step S12 for creating an approximation function for indicating a relationship between a position in an X-axis direction and a speed component V, based on the speed component Vin the X-axis direction in a plurality of measurement points separated in the X-axis direction from a rotor, an estimation step S13 for estimating speed of fluid in a position of the rotor from the approximation function, and a flow rate calculation step S14 for calculating a penetration flow rate from the speed of fluid in a position of the rotor.SELECTED DRAWING: Figure 4 |
