Optical fiber spectroscopy for measuring quality indicators of lubricant oils

A. G. Mignani; L. Ciaccheri; N. Díaz-Herrera; A. A. Mencaglia; H. Ottevaere; H. Thienpont; S. Francalanci; A. Paccagnini; F. Pavone

doi:10.1117/12.786663

16 May 2008 Optical fiber spectroscopy for measuring quality indicators of lubricant oils

A. G. Mignani, L. Ciaccheri, N. Díaz-Herrera, A. A. Mencaglia, H. Ottevaere, H. Thienpont, S. Francalanci, A. Paccagnini, F. Pavone

Author Affiliations +

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70045R (2008) https://doi.org/10.1117/12.786663
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

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.

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A. G. Mignani, L. Ciaccheri, N. Díaz-Herrera, A. A. Mencaglia, H. Ottevaere, H. Thienpont, S. Francalanci, A. Paccagnini, and F. Pavone "Optical fiber spectroscopy for measuring quality indicators of lubricant oils", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70045R (16 May 2008); https://doi.org/10.1117/12.786663

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