Step frequency continuous wave RADAR sensor for level measurement of molten solids

Yugandhara R. Yadam, Balamurugan T. Sivaprakasam, Krishnamurthy C. Venkata and Kavitha Arunachalam

Journal of Electromagnetic Waves and Applications, 2018, vol. 32, issue 3, 281-292

Abstract: Step frequency continuous wave (SFCW) RAdio Detection And Ranging (RADAR) sensor is proposed for non-contact measurement of the absolute level of molten solids in industrial furnaces. A conical horn is optimized for operation over 10–16 GHz in mono-static configuration for level measurement. The absolute distance of a stationary target was measured with 3 mm accuracy using the SFCW RADAR sensor in mono-static mode. Stable measurements were recorded for 4.35 h in a furnace at 450 °C. Level measurements of molten glass and aluminum in 1100 °C furnace indicate the feasibility of industrial-level gauging.

Date: 2018
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DOI: 10.1080/09205071.2017.1380540

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