A non invasive capacitive sensor strip for aerodynamics pressure measurement

Michele Zagnoni, A. Golfarelli, P. Proli, Sergio Callegari, A. Talamelli, E. Sangiorgi, M. Tartagni

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

This paper presents a capacitive pressure sensor strip implemented in general purpose printed circuit board (PCB) technology based on a thin 3D structure composed of polyimide, woven glass reinforced epoxy resin (FR4) and metal layers. Multiphysics finite elements method (FEM) simulations have been performed over the proposed structure in order to develop a time-dependent electrical and mechanical model that can be easily used to tailor the characteristics to the application. The device targets a wide class of fluid dynamics applications, being non-invasive, comformable and smart for placement. The device simulations are herein validated by experimental wind tunnel measurements and compared with figures obtained on a wing profile by conventional electromechanical pressure transducers. This approach is one of the first example of fully embedding and electronically controlled fluid flow monitoring apparatus that could be used in replacement of state of the art mechanical systems.
Original languageEnglish
Pages (from-to)240-248
Number of pages9
JournalSensors and Actuators A: Physical
Volume123-124
DOIs
Publication statusPublished - 2005

Fingerprint

Capacitive sensors
pressure sensors
pressure measurement
Pressure measurement
aerodynamics
strip
Aerodynamics
wing profiles
Epoxy Resins
Pressure transducers
sensors
printed circuits
epoxy resins
circuit boards
Pressure sensors
wind tunnels
fluid dynamics
Fluid dynamics
polyimides
Polyimides

Keywords

  • sensors
  • actuators

Cite this

Zagnoni, M., Golfarelli, A., Proli, P., Callegari, S., Talamelli, A., Sangiorgi, E., & Tartagni, M. (2005). A non invasive capacitive sensor strip for aerodynamics pressure measurement. Sensors and Actuators A: Physical, 123-124, 240-248 . https://doi.org/10.1016/j.sna.2005.03.049
Zagnoni, Michele ; Golfarelli, A. ; Proli, P. ; Callegari, Sergio ; Talamelli, A. ; Sangiorgi, E. ; Tartagni, M. / A non invasive capacitive sensor strip for aerodynamics pressure measurement. In: Sensors and Actuators A: Physical. 2005 ; Vol. 123-124. pp. 240-248 .
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Zagnoni, M, Golfarelli, A, Proli, P, Callegari, S, Talamelli, A, Sangiorgi, E & Tartagni, M 2005, 'A non invasive capacitive sensor strip for aerodynamics pressure measurement', Sensors and Actuators A: Physical, vol. 123-124, pp. 240-248 . https://doi.org/10.1016/j.sna.2005.03.049

A non invasive capacitive sensor strip for aerodynamics pressure measurement. / Zagnoni, Michele; Golfarelli, A.; Proli, P.; Callegari, Sergio; Talamelli, A.; Sangiorgi, E.; Tartagni, M.

In: Sensors and Actuators A: Physical, Vol. 123-124, 2005, p. 240-248 .

Research output: Contribution to journalArticle

TY - JOUR

T1 - A non invasive capacitive sensor strip for aerodynamics pressure measurement

AU - Zagnoni, Michele

AU - Golfarelli, A.

AU - Proli, P.

AU - Callegari, Sergio

AU - Talamelli, A.

AU - Sangiorgi, E.

AU - Tartagni, M.

PY - 2005

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AB - This paper presents a capacitive pressure sensor strip implemented in general purpose printed circuit board (PCB) technology based on a thin 3D structure composed of polyimide, woven glass reinforced epoxy resin (FR4) and metal layers. Multiphysics finite elements method (FEM) simulations have been performed over the proposed structure in order to develop a time-dependent electrical and mechanical model that can be easily used to tailor the characteristics to the application. The device targets a wide class of fluid dynamics applications, being non-invasive, comformable and smart for placement. The device simulations are herein validated by experimental wind tunnel measurements and compared with figures obtained on a wing profile by conventional electromechanical pressure transducers. This approach is one of the first example of fully embedding and electronically controlled fluid flow monitoring apparatus that could be used in replacement of state of the art mechanical systems.

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KW - actuators

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JO - Sensors and Actuators A: Physical

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