Degradation of lubricating oil in centrifugal pump bearings evaluated by Raman spectroscopy
Raphael L. D. Barros, Irio Nizzoli Filho, Andressa C. M. Bezerra, Danieli O. Silva, Gustavo H. M. Matos, Josuel P. dos Santos Junior, Marcos Tadeu Tavares Pacheco, Landulfo Silveira Jr.