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Simultaneous Measurement of Fluctuating Velocity and Pressure Using Stereo-PIV and Static-Pressure Probe in a Turbulent Wing-Tip Vortex

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2380
pages 2311-2320

Takuya Kawata
Graduate School of Science and Technology, Keio University, 3-14-1, Kohoku-ku, Hiyoshi, 223-8522 Yokohama, Japan; Department of Mechanical Engineering, Tokyo University of Science Yamazaki 2641 Noda, Chiba 278-8510, Japan

Shinnosuke Obi
Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan

要約

Simultaneous measurement of the fluctuating pressure and velocity field is performed combining a miniature static-pressure probe and a stereo-PIV. The static-pressure probe is placed just behind the velocity measuring plane illuminated by the laser sheet, and the instantaneous velocity field and the fluctuating pressure are measured simultaneously in a turbulent wing-tip vortex flow. The instantaneous pressure field is estimated by numerically solving a discrete two-dimensional Poisson equation for pressure. The result is compared with directly measured pressure for validation.

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