A2.3 - Ultrasound Doppler Array Velocimeter Used for Vortex Investigations of Liquid Metals

Sven Franke, Lars Buettner, Jürgen Czarske & Sven Eckert
An ultrasound Doppler measurement system for measuring the flow velocity field of magnetically driven liquid metal is presented: Two orthogonally arranged ultrasound Doppler sensor line arrays each with 25 piezo elements allow the two dimensional measurement of two flow velocity components (2d/2c) in an area of 70 x 70 mm!. To obtain a high spatial and a high temporal resolution, a specific multiplex moe for controlling the line array elements is used. First measurement results...
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