01913ntm a2200253 a 4500 vtls000083925 KUKTEM 20251117113238.0 141120t2013 my a f m 000 0 eng d THE0006194(Local) 201905151723 aida 201411261113 training1 201411201714 ariffin UMP TJ223.V3 H45 2013 r Bc. Mohd Helmi Rasid Acoustic emission analysis for bearing condition monitoring / Mohd Helmi Rasid Kuantan, Pahang : UMP, 2013 xv, 56 p. : ill. ; 30 cm. + 1 CD-ROM Project paper (Bachelor of Mechanical Engineering) -- Universiti Malaysia Pahang - 2013 Bibliography : p. 55-56 Acoustic emission (AE) was originally developed for non-destructive testing of static structures, however, over the years its application has been extended to health monitoring of rotating machines and bearings. It offers the advantage of earlier defect detection in comparison to vibration analysis. Current methodologies of applying AE for bearing diagnosis are reviewed. The investigation reported in this paper was centered on the application of standard acoustic emissions (AE) characteristic parameters on a rotational speed. An experimental test-rig was designed to allow seeded defects on the inner race, corrode and contaminated defect. It is concluded that irrespective of the rotational speed and high levels of background noise, simple AE parameters such as amplitude and AE counts provided an indications of bearing defect. In addition to validating already established AE techniques, this investigation focuses on establishing an appropriate threshold level for AE counts. Acoustic emission Valves Safety measures 0 0 0 1 20000 20000 2019-09-04 0 TJ223.V3 H45 2013 r Bc. 0000086232 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 20000 20000 2019-09-04 0 CD 8057 | TJ223.V3 H45 2013 r Bc. 0000086233 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 5373 5379 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5040*5200*6500*6501*9992