Implementation of a new type of time-of-flight laser anemometer.
A new time-of-flight (TOF) laser anemometer system utilizing a spatial lead-lag filter for bipolar pulse generation has been constructed and tested. This new TOF has been modified to enable measurements in turbulent flows near walls. Good results have been obtained as close as 100 microm from a surface, with a 140-mm focal length final lens. Lading's theory for the behavior of the measurement variance has been confirmed for this configuration.
Wernet
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Case Western Reserve University, Chemical Engineering Department, Cleveland, Ohio 44106, USA.
Edwards
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RV