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Sensor design for development of tribo-electric tomography system with increased number of sensors

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Abstract

Electrodynamic sensor, which can also be called as tribo-electric sensor, senses the electrostatic charge carried by the particle. The tomography system using electrodynamic sensor is called as tribo-electric tomography system. Source of the signal induced on the electrodynamic sensor is brought by the object to be measured and no excitation circuit is necessary. This electrodynamic sensing is a passive sensing and the fast and light weighted tomography system is expected. On the other hand, most of tomography system, like capacitance tomography or resistance tomography, demands excitation circuit and is an active sensing. The number of measurements with the passive sensing is equal to the number of sensors and that of active sensing is the number of the combinations of two sensors. The passive sensing tomography system demands more sensors to be settled. We plan to improve in reconstructed images by increasing the number of the electrodynamic sensors in tribo-electric tomography system. We investigate the influence of surface area to signal intensity solving the electrical field in the sensing zone using finite element method.

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Authors and Affiliations

  1. Process Development Center, Idemitsu Kosan Co., Ltd, 1-1 Anesaki-Kaigan, Ichihara, 299-0193, Chiba, Japan

    Machida M.

  2. Dept. Chemical Engineering, Yokohama National University, 79-5 Tokiwadai Hodogaya-ku, 240-8501, Yokohama, Japan

    Kaminoyama M.

Authors
  1. Machida M.
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Correspondence to Machida M..

Additional information

Masashi Machida: He received his M.Sc.(Eng) in Chemical Engineering in 1987 from University of Tokyo. He has been working in Idemitsu Kosan Co., Ltd. from 1987. He studied in Particle Group, Chemical Engineering, TU-Delft from 1995 to 1997 on a Netherlands governmental scholarship. He has been studying in Kaminoyama Laboratory, Chemical Engineering, Yokohama National University from 2005. His research interests are process tomography, electrostatic force effect on particles.

Meguru Kaminoyama: He received his M. Eng. in Hydrocarbon Chemistry in 1982 from Kyoto University. He worked in JGC Corp., during 1982-1991. He received his D. Eng. in Chemical Engineering in 1989 from Yokohama National University. He has been working Yokohama National University from 1991 and been a professor from 2000. His research interests are process tomography measurements, and its application to suspension polymerization reactor and mixing operation of highly viscous fluids.

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Machida, M., Kaminoyama, M. Sensor design for development of tribo-electric tomography system with increased number of sensors. J Vis 11, 375–385 (2008). https://doi.org/10.1007/BF03182206

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  • DOI: https://doi.org/10.1007/BF03182206

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