Investigation of Velocity Field about a Two Dimensional Plexiglass Ogival Foil Using the Laser Doppler Anemometer.
Abstract
Until recently measuring the velocity of a fluid required the insertion of some instrument into the flow which would disturb the flow. The development of the laser doppler anemometer has created a means of measuring flow velocity using two intersecting monochromatic light beams, one of which has been shifted in frequency a prescribed amount. In order to use the type of laser doppler anemometer owned by M.I.T. the light beams must be able to traverse the test section and the scattered light be collected by the receiving optics. This requires a transparent model in order to measure the flow around the entire model. This thesis demonstrates the feasibility of such a method and is an account of the special techniques used to obtain the data. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1978
- Accession Number
- ADA081765
Entities
People
- Gary J. Tettelbach
Organizations
- Naval Postgraduate School