Development of a 3-D Fluid Velocimetry Technique based on Light Field Imaging
Metadata Field | Value | Language |
---|---|---|
dc.contributor.advisor | Thurow, Brian | |
dc.contributor.advisor | Reeves, Stanley | |
dc.contributor.advisor | Hartfield, Roy | |
dc.contributor.author | Lynch, Kyle | |
dc.date.accessioned | 2011-05-04T20:42:44Z | |
dc.date.available | 2011-05-04T20:42:44Z | |
dc.date.issued | 2011-05-04 | |
dc.identifier.uri | http://hdl.handle.net/10415/2594 | |
dc.description.abstract | A novel method for performing 3-D particle image velocimetry is developed and demonstrated. The technique is based on light field photography, which uses a dense lenslet array mounted near a camera sensor to simultaneously sample the spatial and angular distribution of light entering the camera. Computational algorithms are then used to refocus the image after it is taken and render a 3-D intensity distribution. This thesis provides an introduction to the concepts of light field photography and outlines the processing steps and algorithms required to obtain a 3-D velocity field. To support this, a ray-tracing simulator is used to simulate light field images and rendering codes are generated to form 3-D particle volumes which can be used for particle image velocimetry (PIV) interrogation. The simulation and rendering code is tested with uniform displacement fields and a spherical vortex, and measurement errors are quantified. It is shown that light field imaging is a feasible method for performing 3-D velocimetry with a single camera, and steps are outlined for further development and testing. | en_US |
dc.rights | EMBARGO_NOT_AUBURN | en_US |
dc.subject | Aerospace Engineering | en_US |
dc.title | Development of a 3-D Fluid Velocimetry Technique based on Light Field Imaging | en_US |
dc.type | thesis | en_US |
dc.embargo.length | NO_RESTRICTION | en_US |
dc.embargo.status | NOT_EMBARGOED | en_US |