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The paper describes an automated Particle Image Velocimetry (PIV) system designed for synchronised combined 2- and 3-component velocity measurements. The system has been designed to make measurements of velocity in the exhaust region of a scaled version of a gas turbine engine operating at high subsonic velocities and high temperatures (typically 800°C) for various configurations. For the PIV camera...
Using holographic interferometry the three-dimensional structure of unsteady and large-scale motions within subsonic and transonic turbulent jet flows has been studied. The instantaneous 3D flow structure is obtained by tomographic reconstruction techniques from quantitative phase maps recorded using a rapid-switching, double reference beam, double pulse laser system. The reconstruction of the jets...
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