Results 21 to 30 of about 59,957 (305)
Influence of operational variables in a hydrodynamic bearing on the generation of acoustic emission [PDF]
, 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
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Research of identification of acoustic emission signal of coal and rock
Gong-kuang zidonghua, 2013 In view of problem that it is difficult to identify acoustic emission signal of coal and rock burst under complicated noise environment, the paper proposed an identification method of acoustic emission signal of coal and rock based on wavelet packet and ...
TONG Min-ming +3 more
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MATEC 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
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Gong-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
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Seeded fault detection on helical gears with acoustic emission [PDF]
, 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
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Energy Spectrum of Acoustic Emission Signals in Complex Media [PDF]
Журнал 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
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International 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
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Study on the tensile properties of sandstone with different water contents under freeze-thaw cycles
Gong-kuang zidonghua, 2023 Mines in cold regions of China are affected by freeze-thaw cycles, resulting in uneven expansion and contraction of rocks, leading to the formation of cracks. At the same time, the expansion of cracks due to water frost heave between cracks leads to rock
MIAO Haodong, REN Fuqiang
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Application of acoustic emission to seeded gear fault detection [PDF]
, 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
Advances 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
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