Articles | Volume 5, issue 1
J. Sens. Sens. Syst., 5, 213–220, 2016

Special issue: Dresden Sensor Symposium 2015

J. Sens. Sens. Syst., 5, 213–220, 2016

Regular research article 17 Jun 2016

Regular research article | 17 Jun 2016

Instrumented flow-following sensor particles with magnetic position detection and buoyancy control

Sebastian Felix Reinecke and Uwe Hampel

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Cited articles

Antoniou, M., Boon, M. C., Green, P. N., Green, P. R., and York, T. A.: Wireless Sensor Networks for Industrial Processes, Proceedings of IEEE SAS, New Orleans, LA, USA, 13–18, 2009.
Bryant, J.: Mixing in Fermenters, Dissertation, University of Cambridge, Camdridge, UK, 1969.
Day, A.: Mixing in stirred tanks, Dissertation, University of Exeter, Exeter, UK, 1975.
Haider, A. and Levenspiel, O.: Drag coefficient and terminal velocity of spherical and nonspherical particles, Powder Technol., 58, 63–70, 1989.
Liepe, F., Sperling, R., and Jembere, S.: Rührwerke, Theoretische Grundlagen, Auslegung und Bewertung, 1. Aufl., Eigenverlag Fachhochschule Köthen, Köthen, Germany, 1998.
Short summary
Sensor particles with buoyancy control and position detection are presented, which are used for flow tracking in large vessels, such as biogas digesters and waste water tanks. They were tested in the realistic flows of a biogas digester. The buoyancy control allows taring for good flow tracing by the sensor particles, and it lets them float to the surface after data acquisition for easy recovery. The fluid mixing was estimated from detected passages of sensor particles at a magnetic coil.