vibration measurements
Identification of Modal Parameters of a Containment Building Using Ambient Vibration Measurements
... In this paper, the ambient vibration measurements from the containment of Ulchin NPP Unit 5 and the modal parameters, i.e., resonant frequencies and corresponding mode shapes, extracted using the modal ...
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Using ambient vibration measurements for risk assessment at an urban scale: from numerical proof of concept to Beirut case study (Lebanon)
... One of the “physical” input parameters used in the pre- vious section is the velocity contrast within the soil, i.e., the contrast between the stiffest layer (the underlying bedrock) and the softest one (generally the ...
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Vibration measurements and sample cleaver for STM in the 4 Kelvin PTR
... Geophone measurements were carried out at the location where the STM would be attached to the suspended ...plateau. Vibration spectra were taken for both vertical and horizontal displacement, and for the ...
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Experimental analysis of cavitation in a centrifugal pump using acoustic emission, vibration measurements and flow visualization
... and vibration measurements at a broad frequency range, and are sometimes followed by flow ...and vibration sources in centrifugal pumps, which can be separated in two main categories; hydrodynamic ...
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In-line Monitoring of Lubricant Addition Through Passive Vibration Measurements in a V-blender
... which measurements are not indicative of the entire powder ...Multiple measurements at different locations may then be needed, but at the added cost of image equipment and vessel ...accurate ...
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Experimental investigation into techniques to predict leak shapes in water distribution systems using vibration measurements
... Water loss from leaking pipes represents a substantial loss of revenue as well as environmental and public health concerns. Leak location is normally identi fi ed by placing sensors either side of the leak and recording ...
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Simultaneous measurements of aeroacoustic sounds and wall vibration for exploring the contribution of tooth vibration in the production of sibilant sounds/s/
... for vibration measurements is comparable to that of obstacle ...of vibration-induced ...and vibration of the obstacle wall with changing wall ...
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Analysing the Ground Vibration Due to Blasting at AlvandQoly Limestone Mine
... ground vibration induced by blasting is a significant step in order to control environmental ...ground vibration predictors for regulating the blast design, an empirical relationship based on USBM Equation ...
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Ship machinery condition monitoring using vibration data through supervised learning
... noted. Measurements in different locations and directions are considered for each ...of vibration measurements, at each location measurements in various directions ...acceleration ...
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Internal friction measurement of tropical species by various acoustic methods
... also studied six species (one soft- wood and fi ve hardwoods) in the three main material direc- tions of wood, with dry specimen dimensions of 10 × 10 × 100–230 mm. Forced vibrations in compression were used by magnetic ...
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Elimination of Chernobyl NPP Unit 3 Power Output Limitation Associated with High Main Steam Piping Flow Induced Vibration
... The vibration measurements on a limited 80% Unit power have shown that the vibration of Valve 1234 system is comparatively high and exceeds levels recommended by[r] ...
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The Effects of high vibration on the steam turbo-generator machine of the unit B1 339 MW in thermal power plant “Kosovo B” : [presented August 2009]
... absolute vibration measurements and the ISO standard 10816-2, the STG-B1 machine may be operated for a limited period because high vibration indicates problems for the machine and may also cause ...
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Comparison of Natural Frequencies of Vibration for a Bridge Obtained from Measurements with New Sensor Systeme
... free vibration and vibration in case of moving loads (vehicle ...for vibration measurements to compare with those measurements using proposed ...in-situ measurements using ...
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Anomaly detection techniques for the condition monitoring of tidal turbines
... (including vibration, displacement and temperature readings from the gearbox, generator and bearings) were trended against output power and generator rotor ...
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Vibration Analysis Of Rotating Machines With Case Studies
... Initially the overall vibration levels were on the Higher Side. It is to be strictly noted that operator should be instructed for critical speed of 2000 rpm. Hence Fan should never be allowed to run in the range ...
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DESIGN AND SYNTHESIS OF DICLOFENAC AND INDOMETHACIN – CONJUGATES WITH GEMCITABINE AS A POSSIBLE MUTUAL PRODRUGS
... C═O stretching vibration of ester C═O stretching vibration of ketone C═C stretching vibration of aromatic overlap with NـــH bending vibration C═N stretching vibration ArـــCl stretc[r] ...
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Life Cycle Cost Evaluation of Noise Control Methods at Urban Railway Turnouts
... and vibration resulted from wheel/rail contact along track ...and vibration mitigation methods and each design allocates different priorities for each one of ...
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The Modal Analysis of Vibro Ripper Gear based on CATIA
... folding vibration, torsional vibration, circumferential vibration, step 3 bending vibration, radial vibration and compared with modal characteristic in rotation, we infer that the ...
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Ergonomic Risk Factor That Contribute To Discomfort And Vibration Analysis While Riding Train
... The “crowding” term has been proven to be challenging because it has multiple meanings and has been inconsistently defined (Mohd Mahudin, Cox and Griffiths, 2012). The duration of travelling is depending on the ...
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The role of the tymbal in cicada sound production
... The sound pressure was also recorded inside the same sealed cicada (Fig. 10B). The phase of the internal sound pressure change seen in the oscillogram is inverted relative to that in Fig. 10A (with the Bruel and Kjaer ...
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