Type of Document Master's Thesis Author DeVlaminck, James Raymond Author's Email Address email@example.com URN etd-07262001-100006 Title Extracting the Rotational Degrees of Freedom From a Reconstructed Three-Dimensional Velocity Field Along With an Analytical Demonstraton and a Proposed Method for Experimental Verification Degree Master of Science Department Mechanical Engineering Advisory Committee
Advisor Name Title Mitchell, Larry D. Committee Chair Leo, Donald J. Committee Member West, Robert L. Jr. Committee Member Keywords
- Laser Doppler Velocimetry
- Angular Velocity
Date of Defense 2001-07-16 Availability unrestricted AbstractA theoretical method for extracting the rotational degrees of freedom from a reconstructed three-dimensional velocity field has been developed. To extract the angular velocities the curl of the translational velocities must be performed. The three-dimensional velocity field is to be equally spaced so that the DFT-IDFT technique of taking partial derivatives of the translational velocities is used. A program was written in C along with MATLAB® which performed the theoretical calculations.
Two proposed methods of experimentally verifying the angular velocity data is developed using a Kistler translational/angular piezobeam accelerometer to compare against the DFT-IDFT partial derivative technique for calculating the angular velocities.
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