Robust acoustic humidity sensor for industrial drying

Most conventional humidity sensors are unfortunately sensitive to extreme process and environmental conditions. This paper concerns the development of a robust acoustic humidity sensor which can be used even under extreme conditions, such as high temperature up to 300/spl deg/C, aggressive, explosiv...

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Hauptverfasser:	Zipser, L., Franke, H., Bretschneider, W.-D.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Acoustic sensors Communication, education, history, and philosophy Electromagnetic analysis Electromagnetic radiation Environmentally friendly manufacturing techniques Exact sciences and technology Explosives Gas detectors General equipment and techniques Humidity Industrial pollution Instruments, apparatus, components and techniques common to several branches of physics and astronomy Physics Physics literature and publications Robustness Sensors (chemical, optical, electrical, movement, gas, etc.) remote sensing Temperature sensors
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Beschreibung
Zusammenfassung:	Most conventional humidity sensors are unfortunately sensitive to extreme process and environmental conditions. This paper concerns the development of a robust acoustic humidity sensor which can be used even under extreme conditions, such as high temperature up to 300/spl deg/C, aggressive, explosive or toxic pollutions in the gas to be analysed, dust, electromagnetic disturbances, nuclear radiation or very fast changes of the humidity concentration. An important application of the sensor is the in-situ measurement of humidity in the exhaust air of industrial driers for paperboard production.
DOI:	10.1109/ICSENS.2004.1426111