Abstract
A novel probe intended for detecting gas bubbles within a liquid metal has been tested both in water and in a low melting point alloy. The probe is inexpensive in itself and in the cost of processing signals from the probe. It is also rugged in that the part (a simple tube) inserted into the liquid can be selected from materials resistant to the liquid. It is also rugged in that accidental damage to the tube is not costly. The probe functions by measuring, using a microphone, the pressure fluctuation as a bubble passes the probe tip. Use of two probes to measure a bubble rise velocity in water is also described.
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Schneider, M., Evans, J.W. A novel probe for detecting gas bubbles in liquid metals. Metall Mater Trans B 37, 333–337 (2006). https://doi.org/10.1007/s11663-006-0018-7
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DOI: https://doi.org/10.1007/s11663-006-0018-7