Abstract
A successful application of ultrasound Doppler velocimetry in liquid sodium flows is described. To obtain sufficient Doppler signals, different problems had to be solved: the transmission of the ultrasonic beam through the channel wall made of stainless steel, the acoustic coupling between the transducer and the channel wall, and the wetting of the inner surface of the wall by the liquid metal, respectively. A sodium flow in a square duct exposed to a transverse magnetic field is investigated. In accordance with the existing knowledge about MHD channel flows, we found that the velocity profiles modified to a M-shape owing to the effect of an inhomogeneous magnetic field.
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Received: 12 June 2001/Accepted: 27 October 2001
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Eckert, S., Gerbeth, G. Velocity measurements in liquid sodium by means of ultrasound Doppler velocimetry. Experiments in Fluids 32, 542–546 (2002). https://doi.org/10.1007/s00348-001-0380-9
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DOI: https://doi.org/10.1007/s00348-001-0380-9