Detection of unburned fuel as contaminant in engine oil by a gas microsensor array

Simonetta Capone; Marzia Zuppa; Dominique S. Presicce; Mauro Epifani; Luca Francioso; Pietro Siciliano; C. Distante

doi:10.1117/12.722007

15 May 2007 Detection of unburned fuel as contaminant in engine oil by a gas microsensor array

Simonetta Capone, Marzia Zuppa, Dominique S. Presicce, Mauro Epifani, Luca Francioso, Pietro Siciliano, C. Distante

Proceedings Volume 6589, Smart Sensors, Actuators, and MEMS III; 658911 (2007) https://doi.org/10.1117/12.722007
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain

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).

Citation Download Citation

Simonetta Capone, Marzia Zuppa, Dominique S. Presicce, Mauro Epifani, Luca Francioso, Pietro Siciliano, and C. Distante "Detection of unburned fuel as contaminant in engine oil by a gas microsensor array", Proc. SPIE 6589, Smart Sensors, Actuators, and MEMS III, 658911 (15 May 2007); https://doi.org/10.1117/12.722007

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