Results 11 to 20 of about 60,289 (306)

Bearing defect diagnosis and acoustic emission. [PDF]

open access: yes, 2003
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.
Mba, David   +3 more
core   +1 more source

Influence of operational variables in a hydrodynamic bearing on the generation of acoustic emission [PDF]

open access: yes, 2010
Detecting mechanical faults of rotating machines particularly in hydrodynamic bearings has been recognised as important for preventing sudden shut downs.
Mba, David   +2 more
core   +1 more source

Effect of steel fibres dosage in alkali-activated slag mortar on acoustic emission obtained during three-point bending tests

open access: yesMATEC Web of Conferences, 2017
The acoustic emission phenomenon is directly associated with nucleation of cracks in structural materials during loading. This paper analyses acoustic emission signals captured during three-point bending fracture tests of alkali-activated slag mortar ...
Topolář Libor   +3 more
doaj   +1 more source

Seeded fault detection on helical gears with acoustic emission [PDF]

open access: yes, 2009
Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been
Mba, David, Eftekharnejad, Babak
core   +1 more source

Experimental study on characteristics of acoustic emission for coal containing gas damaged evolution under loading

open access: yesGong-kuang zidonghua, 2016
An information collection system of coal containing gas under uniaxial compression was built, dates' change of acoustic emission and mechanical parameters while coal samples loaded were tested, and damaged evolution model of coal and rock and ...
NIU Yue   +7 more
doaj   +1 more source

Influence of Propagation Distance on Characteristic Parameters of Acoustic Emission Signals in Concrete Materials Based on Low-Frequency Sensor

open access: yesAdvances in Civil Engineering, 2022
Acoustic emission is a nondestructive testing technology based on the propagation of transient elastic waves captured by acoustic emission sensors. The acoustic emission signal depends not only on the distance and quality of the propagation path of the ...
Fen Liu   +6 more
doaj   +1 more source

Resonant Airborne Acoustic Emission for Nondestructive Testing and Defect Imaging in Composites

open access: yesApplied Sciences, 2021
A new version of an acoustic emission mode which is different from its traditional counterpart is discussed in view of applications for nondestructive testing.
Igor Solodov   +2 more
doaj   +1 more source

Experimental investigation of pretensioned bolts under cyclic loading: Damage assessment using acoustic emission

open access: yesInternational Journal of Distributed Sensor Networks, 2019
Understanding the acoustic emission effects on bolts under cyclic loading is of great significance for the support of roadways. The presented research focuses on the acoustic emission characteristics of bolts under cyclic loading.
Tieliang An   +5 more
doaj   +1 more source

Energy Spectrum of Acoustic Emission Signals in Complex Media [PDF]

open access: yesЖурнал нано- та електронної фізики, 2017
A model of the energy spectrum of acoustic emission signals in complex structures with internal degrees of freedom is proposed. On the basis of the computational experiment of X-ray diffraction data, a quantum mechanical calculation of the applicability ...
V.V.В Marasanov, A.A.В Sharko
doaj   +1 more source

Application of acoustic emission to seeded gear fault detection [PDF]

open access: yes, 2005
Acoustic 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.
Mba, David   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy