Ultrasound Doppler system for two-dimensional flow mapping in liquid metals

作者：Franke Sven^*; Buettner Lars; Czarske Juergen; Raebiger Dirk; Eckert Sven

来源：Flow Measurement and Instrumentation, 2010, 21(3): 402-409.

DOI：10.1016/j.flowmeasinst.2010.05.001

• Ultrasound Doppler velocimetry
• Flow field measurements
• Ultrasound sensor array
• Liquid metals
• Magnetohydrodynamics
• Rotating magnetic field

A novel ultrasound Doppler measurement system for investigating liquid metal flows is presented. It employs an array of 25 transducer elements allowing a fast electronic traversing with concurrently high spatial resolution and therefore overcomes the limitations of commercially available ultrasound Doppler devices. For a high temporal resolution investigations were performed to parallelize the measurements as much as possible. Their results proved this parallel processing technique allowing a four times higher measurement rate compared to a serial processing for our specific ultrasound Doppler system. Therewith, a first two-dimensional one-componential flow mapping of liquid metal flows driven by a rotating magnetic field was successfully performed. In objective, this measurement system will be extended to a two-componential flow mapping.

• 出版日期2010-9