To provide a pressure distribution measuring system and a calibrating probe for easily measuring a pressure distribution by using an inexpensive and simple constitution without forming a pressure hole in a measured object.
The measured object 1 is an object for receiving an air flow F as a model or an actually tested sample (a specimen). The pressure distribution measuring system 2 measures the pressure distribution applied to the measured object 1. The calibrating probe 3 is an apparatus for receiving the air flow F along with the measured object 1 so as to calibrate a pressure measurement value on a surface 1a of the measured object 1, and has a surface applied with the same pressure-sensitive paint as the pressure-sensitive paint on the surface 1a of the measured object 1. The pressure distribution measuring system 2 measures an intensity of a light emitted from the pressure-sensitive paint on the surface of the calibrating probe 3, calculates a calibration coefficient for calibrating the pressure measurement value on the surface 1a of the measured object 1, and calculates the pressure distribution on the surface 1a of the measured object 1 based on the intensity of the light emitted from the surface 1a of the measured object 1 and the calibration coefficient.
COPYRIGHT: (C)2008,JPO&INPIT
Mitsuru Ikeda
Kazunori Mitsuo
Japan Aerospace Exploration Agency
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