Abstract
Doppler global velocimetry (DGV) has already been shown to be an interesting technique capable of measuring the three components of velocity in a plane. A 1-component DGV system is currently under development at the LMFA, using a stabilized continuous wave (CW) argon ion laser for emission. The receiver features only one camera for both signal and reference images and incorporates a DEFI system to adjust the incident laser light frequency and its transmission coefficient on the iodine cell absorption line. A description of the whole system is presented and a validation with measurements of axial velocities at several positions in a round free jet is proposed.
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