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Proceedings Paper

Detection of unburned fuel as contaminant in engine oil by a gas microsensor array
Author(s): Simonetta Capone; Marzia Zuppa; Dominique S. Presicce; Mauro Epifani; Luca Francioso; Pietro Siciliano; C. Distante
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Paper Abstract

We developed a novel method to detect the presence of unburned diesel fuel in used diesel fuel engine oil. The method is based on the use of an array of different gas microsensors based on metal oxide thin films deposited by sol-gel technique on Si substrates. The sensor array, exposed to the volatile chemical species of different diesel fuel engine oil samples contaminated in different percentages by diesel fuel, resulted to be appreciable sensitive to them. Principal Component Analysis (PCA) and Self-Organizing Map (SOM) applied to the sensor response data-set gave a first proof of the sensor array ability to discriminate among the different diesel fuel diluted lubricating oils. Moreover, in order to get information about the headspace composition of the diesel fuel-contaminated engine oils used for gas-sensing tests, we analyzed the engine oil samples by Static Headspace Solid Phase Micro Extraction/Gas Chromatograph/Mass Spectrometer (SHS-SPME/ GC/MS).

Paper Details

Date Published: 15 May 2007
PDF: 9 pages
Proc. SPIE 6589, Smart Sensors, Actuators, and MEMS III, 658911 (15 May 2007); doi: 10.1117/12.722007
Show Author Affiliations
Simonetta Capone, Institute of Microelectronics and Microsystems, CNR (Italy)
Marzia Zuppa, Institute of Microelectronics and Microsystems, CNR (Italy)
Dominique S. Presicce, Institute of Microelectronics and Microsystems, CNR (Italy)
Mauro Epifani, Institute of Microelectronics and Microsystems, CNR (Italy)
Luca Francioso, Institute of Microelectronics and Microsystems, CNR (Italy)
Pietro Siciliano, Institute of Microelectronics and Microsystems, CNR (Italy)
C. Distante, Institute of Microelectronics and Microsystems, CNR (Italy)


Published in SPIE Proceedings Vol. 6589:
Smart Sensors, Actuators, and MEMS III
Thomas Becker; Carles Cané; N. Scott Barker, Editor(s)

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