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Proceedings Paper

Optical fiber spectroscopy for measuring quality indicators of lubricant oils
Author(s): A. G. Mignani; L. Ciaccheri; N. Díaz-Herrera; A. A. Mencaglia; H. Ottevaere; H. Thienpont; S. Francalanci; A. Paccagnini; F. Pavone
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Paper Abstract

A collection of lubricant oils from different types of turbines, which were characterized by different degrees of degradation, were analyzed by means of UV-VIS-NIR absorption spectroscopy, fluorescence spectroscopy and scattering measurements. All these measurements were performed by means of optical fiber-based instrumentation that made use of LEDs or compact lamps for illumination and miniaturized spectrometers for detection. Multivariate data analysis was used to successfully correlate the wide optical spectral signature of lubricant oils to some of the most important parameters for indicating the degree of degradation of the oil, such as TAN, JOAP-index, water content, and phosphorus.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70045R (16 May 2008); doi: 10.1117/12.786663
Show Author Affiliations
A. G. Mignani, Istituto di Fisica Applicata Nello Carrara, CNR (Italy)
L. Ciaccheri, Istituto di Fisica Applicata Nello Carrara, CNR (Italy)
N. Díaz-Herrera, Univ. Complutense de Madrid (Spain)
A. A. Mencaglia, Istituto di Fisica Applicata Nello Carrara, CNR (Italy)
H. Ottevaere, Vrije Univ. Brussel (Belgium)
H. Thienpont, Vrije Univ. Brussel (Belgium)
S. Francalanci, MECOIL Diagnosi Meccaniche srl (Italy)
A. Paccagnini, MECOIL Diagnosi Meccaniche srl (Italy)
F. Pavone, Univ. di Firenze (Italy)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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