Photon Correlation Techniques for Wind-Tunnel Anemometry |
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Authors: | Abbiss JB |
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Institution: | Royal Aircraft Establishment, England; |
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Abstract: | The experience gained at the Royal Aircraft Establishment in laser anemometry techniques, using a photon correlator, is reviewed. The theory of operation of the equipment is summarized for both laminar and turbulent flows, and methods of data-reduction are discussed, with particular reference to the optical criteria which should be met. Flow seeding requirements are considered and a practical system described. The results of a number of experiments on subsonic and supersonic airflows, both laminar and turbulent, are presented. |
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