VISTA Instrument

A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique

Fabrizio Dirri, Ernesto Palomba, Andrea Longobardo, David Biondi, Angelo Boccaccini, Anna Galiano, Emiliano Zampetti, Bortolino Saggin, Diego Scaccabarozzi, Javier Martin-Torres

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

VISTA (Volatile In Situ Thermogravimetry Analyser) is a μ-Thermogravimeter sensor developed by Consortium of Italian Institutes. ThermoGravimetric Analysis (TGA) is a widely used technique to monitor thermal processes involving volatile compounds, e.g. deposition/sublimation and absorption/ desorption. The instrument core is composed by a Piezoelectric Crystal Microbalance (PCM), equipped with built-in heater and built-in temperature sensor, and provided of its own Proximity Electronics (PE). The PCM oscillation frequency linearly depends on the mass deposited on its sensible area (according to Sauerbrey equation) while the PCM temperature can be increased by means of integrated heaters. Thus, mass and volatile composition can be inferred by the frequency change and by desorption temperature, respectively. The instrument is divided in two sensor heads: VISTA1, able to monitor outgassing processes in space, and VISTA2, able to reach higher temperatures, studying the dehydration and organics decomposition in minerals in different environmental conditions. An Engineering Model of VISTA1 and a laboratory breadboard of VISTA2 have been developed. Pure organic compounds and contaminant have been characterized by using deposition processes and TGA cycles obtaining some physical-chemical parameters, i.e. enthalpy of sublimation/evaporation, Δ Hevap, deposition rates, k and vapor pressures, Pvap. The instrument concept, the scientific objectives and the laboratory measurements are explained in this work.

Original languageEnglish
Title of host publication5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages150-154
Number of pages5
ISBN (Print)9781538624746
DOIs
Publication statusPublished - Aug 31 2018
Externally publishedYes
Event5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Rome, Italy
Duration: Jun 20 2018Jun 22 2018

Other

Other5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018
CountryItaly
CityRome
Period6/20/186/22/18

Fingerprint

piezoelectric crystals
thermogravimetry
microbalances
Thermogravimetric analysis
Sublimation
sublimation
heaters
Crystals
Desorption
sensors
Sensors
desorption
outgassing
Degassing
temperature sensors
Temperature sensors
Deposition rates
Vapor pressure
Dehydration
organic compounds

Keywords

  • Contamination
  • Organic and volatile characterization
  • Piezoelectric Crystal Microbalance
  • Space missions
  • Thermogravimetric technique

ASJC Scopus subject areas

  • Aerospace Engineering
  • Mechanics of Materials
  • Safety, Risk, Reliability and Quality
  • Instrumentation

Cite this

Dirri, F., Palomba, E., Longobardo, A., Biondi, D., Boccaccini, A., Galiano, A., ... Martin-Torres, J. (2018). VISTA Instrument: A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique. In 5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings (pp. 150-154). [8453532] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MetroAeroSpace.2018.8453532

VISTA Instrument : A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique. / Dirri, Fabrizio; Palomba, Ernesto; Longobardo, Andrea; Biondi, David; Boccaccini, Angelo; Galiano, Anna; Zampetti, Emiliano; Saggin, Bortolino; Scaccabarozzi, Diego; Martin-Torres, Javier.

5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. p. 150-154 8453532.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dirri, F, Palomba, E, Longobardo, A, Biondi, D, Boccaccini, A, Galiano, A, Zampetti, E, Saggin, B, Scaccabarozzi, D & Martin-Torres, J 2018, VISTA Instrument: A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique. in 5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings., 8453532, Institute of Electrical and Electronics Engineers Inc., pp. 150-154, 5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018, Rome, Italy, 6/20/18. https://doi.org/10.1109/MetroAeroSpace.2018.8453532
Dirri F, Palomba E, Longobardo A, Biondi D, Boccaccini A, Galiano A et al. VISTA Instrument: A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique. In 5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2018. p. 150-154. 8453532 https://doi.org/10.1109/MetroAeroSpace.2018.8453532
Dirri, Fabrizio ; Palomba, Ernesto ; Longobardo, Andrea ; Biondi, David ; Boccaccini, Angelo ; Galiano, Anna ; Zampetti, Emiliano ; Saggin, Bortolino ; Scaccabarozzi, Diego ; Martin-Torres, Javier. / VISTA Instrument : A PCM-Based sensor for organics and volatiles characterization by using thermogravimetric technique. 5th IEEE International Workshop on Metrology for AeroSpace, MetroAeroSpace 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2018. pp. 150-154
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