Browsing by Author "Toutountzakis, Tim"
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Item Open Access Application of acoustic emission to seeded gear fault detection(Elsevier Science B.V., Amsterdam., 2005-01-01T00:00:00Z) Toutountzakis, Tim; Tan, Chee Keong; Mba, DavidAcoustic emission (AE) is gaining ground as a non-destructive technique for health diagnosis on rotating machinery. There are vast opportunities for development of the AE technique on various forms of rotating machinery, including gearboxes. This paper reviews some recent developments in application of AE to gear defect diagnosis. Furthermore, an experimental investigation that examines the effectiveness of AE for gear defect identification is presented. It is concluded that application of the AE technique to seeded gear defect detection is fraught with difficulties. In addition, the viability of the AE technique for gear defect detection from non-rotating components of a machine is called into question.Item Open Access Observations of acoustic emission activity during gear defect diagnosis.(Elsevier Science B.V., Amsterdam., 2003-10-01T00:00:00Z) Toutountzakis, Tim; Mba, DavidIt is widely recognised that acoustic emission (AE) is gaining ground as a non- destructive technique (NDT) for health diagnosis on rotating machinery. The source of AE is attributed to the release of stored elastic energy that manifests itself in the form of elastic waves that propagate in all directions on the surface of a material. These detectable AE waves can provide useful information about the health condition of a machine. This paper reports on part of an ongoing experimental investigation on the application of AE for gear defect diagnosis. Furthermore, the possibility of monitoring gear defects from the bearing casing is examined. It is concluded that AE offers a complimentary tool for health monitoring of gears.