Velocity measurements in liquid sodium by means of Ultrasound Doppler Velocimetry


Velocity measurements in liquid sodium by means of Ultrasound Doppler Velocimetry

Eckert, S.; Gerbeth, G.

A successful application of the Ultrasound Doppler Velocimetry (UDV) in liquid sodium flows is described.
To get sufficient Doppler signals different problems had to be solved: the transmission of the ultrasonic
beam through the channel wall made of stainless steel, the acousting coupling between transducer and
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. According to the
existing knowledge about MHD channel flows we found the velocity profiles modified to a M-shape due to
the effect of an inhomogeneous magnetic field.

Keywords: flow measurement technique; ultrasound Doppler technique; fluid velocity; opaque fluids; liquid metal; MHD channel flow

  • Experiments in Fluids 32(2002)5, 542-546

Permalink: https://www.hzdr.de/publications/Publ-3946
Publ.-Id: 3946