Liquid level sensor for high temperature molten salt in confined container

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Allazadeh, Mohammad R. and Marangoni, Roy D. and Lovell, Mike R. (2013) Liquid level sensor for high temperature molten salt in confined container. Frontiers in Sensors, 1 (2). pp. 27-37. ISSN 2327-7297

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Abstract

Electrical resistance measurements on different rod materials in liquid solutions, molten salts, or molten lead are considered to design a liquid level sensor in a sealed containers when the temperature of the fluid is very high (~1000ºC) and conventional measurements are not possible due to properties of the fluid or condition of the container. An analytical solution to the problem is adopted to reduce the cost of the sensor and overcome the difficulties of calibration of sensors at high temperature for prediction of the level of liquid. An electrical circuit model is suggested for analytical solution to compute the resistivity versus height of the electrode rod submerged in the liquid in a narrow container. Good prediction of circuit model for experimental results is verified by comparison of analytical results of different combination of liquid solutions and rods’ material with experimental graphs.

ORCID iDs

Allazadeh, Mohammad R. ORCID logoORCID: https://orcid.org/0000-0001-5710-1951, Marangoni, Roy D. and Lovell, Mike R.;
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