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Project Overview

Project Overview. Ben Falconer. Background. A bit about me Ben Falconer Came to Warwick 2006 Computer and Information engineering MEng project Project based around PIV Current experiments taking place in Farnborough. Particle Image Velocimetry.

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Project Overview

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  1. Project Overview Ben Falconer

  2. Background • A bit about me • Ben Falconer • Came to Warwick 2006 • Computer and Information engineering • MEng project • Project based around PIV • Current experiments taking place in Farnborough

  3. Particle Image Velocimetry • Used to map the velocity of a flow field cross section • Laser creates a light sheet through the flow • Cameras take quick series of images • Correlation yields velocities • Multiple cross sections create a 3D map of the flow field Image courtesy of LaVision

  4. Stereoscopic PIV • PIV using two cameras in stero • Similar to our eyes • Resolves 3D positions • Scheimpflug condition • Focal plane at an angle • Positioning lens at an angle resolves this Image courtesy of LaVision

  5. Processing • Resolve stereoscopic images • Produce a 3D plot of the field from two stereoscopic images. • Cross-correlation • Find movement of each particle within the 3D plots • Produce a velocity mapping for the plane • Plane stitching • Join each plane mappingto form a full area mapping Image courtesy of LaVision

  6. Current Testing • Jet engine • Looking at turbulance • Working with QinetiQ • Farnborough site • Noise Test facility • PIV • Normal • Stereoscopic • Scheduled to restart after Christmas Image courtesy of QinetiQ

  7. Questions

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