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Title: Application of IR imaging for free-surface velocity measurement in liquid-metal systems
Contributors: Hvasta, M.H.
Kolemen, E.
Fisher, A.
U. S. Department of Energy contract number DE-AC02-09CH11466
Keywords: Liquid metal
Free surface
IR camera
Issue Date: Jan-2017
Publisher: Princeton Plasma Physics Laboratory, Princeton University
Related Publication: Review of Scientific Instruments vol. 88 p. 013501 (January 2017)
Abstract: Measuring free-surface, liquid-metal flow velocity is challenging to do in a reliable and accurate manner. This paper presents a non-invasive, easily-calibrated method of measuring the surface velocities of open-channel liquid-metal flows using an IR camera. Unlike other spatially-limited methods, this IR camera particle tracking technique provides full field-of-view data that can be used to better understand open-channel flows and determine surface boundary conditions. This method could be implemented and automated for a wide range of liquid-metal experiments, even if they operate at high-temperatures or within strong magnetic fields.
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