Acoustic Emissions
Passive Acoustic Emissions in a V-blender
... Acoustic emissions were also recorded from the V-blender during the mixing of two pharmaceutical placebo wet high shear granulated formulations (Table ...filtered acoustic emissions for these ...
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Process Analytics from Passive Acoustic Emissions Monitoring during Fluidized Bed Pellet Coating in Pharmaceutical Manufacturing
... Figures 4.7 shows that the wall microphone was more effective for process control applications. The wall microphone provided 16.9% higher mean accuracy across all trials. The wall microphone is completely non-invasive ...
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Detecting Damage on Wind Turbine Bearings Using Acoustic Emissions and Gaussian Process Latent Variable Models
... Acoustic Emissions, when used within a Structural Health Monitoring (SHM) or Non-Destructive Testing (NDT) context, are high frequency stress waves that propagate through a ...
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X-ray microtomography and linear discriminant analysis enable detection of embolism-related acoustic emissions
... Acoustic emissions waveform parameters amplitude, duration, energy, signal strength and partial power in the range 100–200 kHz have previously been associated with embolism formation [10, 12, ...
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Acoustic Emissions in Compression of Building Materials: Q-Statistics Enables the Anticipation of the Breakdown Point
... the acoustic emissions dur- ing the complete cyclic test for a couple of specimens of both concrete (C1, top panel) and basalt (B1, bottom panel), are ...the acoustic emissions started from ...
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Effect of Deliberate Ingestion of Organophosphate Pesticide on Distortion Product Oto Acoustic Emissions (DPOAE)
... Background: Oto-Acoustic Emissions (OAE) are low intensity sounds produced by the cochlea in response to an acoustic stimulus. Deliberate self-poisoning has become an increasingly common response to ...
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Non-linear acoustic emissions from therapeutically driven contrast agent microbubbles
... of acoustic transients as they propagate through the field of view ...(FOV). Acoustic emissions from the imaged microbubble cavitation are sampled via a broadband calibrated needle hydrophone system, ...
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Observations on acoustic emissions from a line contact compressed into the plastic region
... from Acoustic Emissions (AE) recorded during a yield test of a bearing raceway, compressed into plasticity using a rolling element are ...the acoustic emission activity, levels and time-frequency ...
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Characterization of Acoustic Emissions from Mechanical Seals for Fault Detection
... During this test the AE data acquisition system was kept on working and the shaft of the test rig was turned manually. AE events were clearly observed in the signals picked up by both AE sensors. Since it is impossible ...
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Audible Acoustic Emissions for Monitoring High-Shear Granulation
... Hz) acoustic emission sensors supports their development as PAT tools for granulation monitoring and control ...detect acoustic emissions from granules contacting the bowl wall near the ...showed ...
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Classification of Acoustic Emissions Using Modified Matching Pursuit
... an acoustic monitoring system that in- dicate the potential catastrophic structural failures of reinforced concrete ...actual acoustic monitoring ...of acoustic emissions, including warning ...
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Passive Acoustic Emissions Monitoring of Fluidized Bed Pellet Coating
... passive acoustic emission profiles during pellet coating providing information on nozzle performance and reflecting local fluidization ...the acoustic emissions was chosen to provide a balance ...
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Plate-type waveguides for detecting acoustic emissions generated by termite attacks
... Using a steel plate that has less damping effect than wood increased the detection area of the A E sensor; and AEs that were attenuated while propagating in wood[r] ...
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Cluster Analysis of Acoustic Emissions Measured during Deformation of Duplex Stainless Steels
... of acoustic emission (AE) signals which arise during plastic deformation of materials offers a clue for the investigation of micro- structural processes and their kinetics in real time scale and is therefore used ...
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Complex networks and waveforms from acoustic emissions in laboratory earthquakes
... To support the aforementioned ideas, we have recently used complex network techniques to extract “hidden” infor- mation from recorded waveforms as well as reconstructed or recorded images through simple friction tests of ...
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Characterization of Acoustic Emissions from Journal Bearings for Fault Detection
... of acoustic emission which can be explained by influence of the vibration of the bearing on the lubrication ...the acoustic emission level of the ...
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Mechanical Failure Mode Causes of In-Wheel Motors
... consequential acoustic emissions and static/dynamic eccentricity result in highest risk potential as their interactions with other failure mode causes were taken into ...
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Phase synchronization of slip in laboratory slider system
... acoustic emissions become phase synchronized by the exter- nal sinusoidal field in the wide range of amplitudes (from approximately 500 V to 1000 ...
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A Preliminary Study on the Bond Failure of Large Size Rebars in Beam during Bending test Using Acoustic Emission Monitory
... the acoustic emissions (AE) due to cracking, shearing, rubbing, de-bonding or interlocking were monitored and recorded using a real-time high sampling rate DAQ system and proper sensors; besides, the ...
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Noise Annoyance Due to Wind Flow Interaction with a Building’s Facade
... these acoustic emissions are generated by vortex shedding through the holes in the perforated plate in- stalled due to flow winds exceeding speed of 20 m/s, at the height of the roof of the building (88 m ...
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