Design and Demonstration of a RADAR Gauge for In-Situ Level Measurement in Furnace

Design and Demonstration of a RADAR Gauge for In-Situ Level Measurement in Furnace

A specially designed air-cooled compact antenna is proposed for non-contact real-time radio detection and ranging (RADAR)-level measurement in furnace. 3-D modeling is used to optimize the surface profile of the RADAR antenna for beam symmetry and low sidelobe level over 20-24 GHz. The fabricated RA...

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Veröffentlicht in:IEEE sensors journal 2018-05, Vol.18 (10), p.4081-4088
Hauptverfasser: Sivaprakasam, Balamurugan T., Krishnamurthy, C. V., Arunachalam, Kavitha
Format: Artikel
Sprache:eng
Schlagworte:
beam symmetry
Corrugated conical horn
Error analysis
Error detection
furnace
Furnaces
level measurement
Numerical models
Radar
Radar antennas
Radar detection
Sidelobe reduction
Sidelobes
Temperature measurement
Temperature sensors
Three dimensional models
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Beschreibung
Zusammenfassung:A specially designed air-cooled compact antenna is proposed for non-contact real-time radio detection and ranging (RADAR)-level measurement in furnace. 3-D modeling is used to optimize the surface profile of the RADAR antenna for beam symmetry and low sidelobe level over 20-24 GHz. The fabricated RADAR sensor deployed in mono-static mode has 0.19-mm measurement error for a static target. Measurements in a closed furnace at 1100 °C demonstrate the feasibility of non-contact in-situ monitoring of the level of molten metal for long duration (11 hours) without degradation in the sensor performance.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2018.2816016