Abstract
A measuring system for studying liquid flows via the particle image velocimetry method has been developed. The main feature of this system is the use of a continuous-wave laser as an illuminating source. A diode-pumped solid-state laser is used for the first time in such measuring system. The use of continuous illumination allows one to cancel synchronization of the operation of the illuminating source and a digital video camera used to record flow images. Issues related to the dynamic range of the described system are discussed in detail. Two examples of using this system are presented: studying flows in a trace of a body towed in a stratified liquid and studying liquid flows induced by focused ultrasound.
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Original Russian Text © D.A. Sergeev, 2009, published in Pribory i Tekhnika Eksperimenta, 2009, No. 3, pp. 138–144.
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Sergeev, D.A. A measuring system for studying liquid flows by the particle image velocimetry method based on a diode-pumped solid-state laser. Instrum Exp Tech 52, 438–444 (2009). https://doi.org/10.1134/S0020441209030257
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DOI: https://doi.org/10.1134/S0020441209030257