Results 41 to 50 of about 6,033,850 (214)
Archives of Acoustics, 2014 Issues related to the development of acoustic models of machines are important factors both in the design of low-noise machines and in the prediction of machines noise. The acoustic modelling of machines may be carried out using a set of omni-directional
Dariusz PLEBAN
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Low-Power Wearable Respiratory Sound Sensing
Sensors, 2014 Building upon the findings from the field of automated recognition of respiratory sound patterns, we propose a wearable wireless sensor implementing on-board respiratory sound acquisition and classification, to enable continuous monitoring of symptoms ...
Dinko Oletic +2 more
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MachinesThis paper presents an experimental characterization of acoustic noise and sound quality in a 12/8 Switched Reluctance Motor (SRM) using hysteresis and Pulse Width Modulation (PWM) current control techniques.
Moien Masoumi, Berker Bilgin
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South African Journal of Chemical Engineering, 2020 Various ways exist to describe power intensity in ultrasonic system, causing complications in reporting and benchmarking. This paper attempts to compare computational fluid dynamic (CFD) simulations of ultrasonic bath running at 60 W 40 kHz using ...
Muhammad Shafiq Mat-Shayuti +6 more
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Associated Students of the University of Puget Sound Senate Minutes 2009-2010 [PDF]
, 2009 Meeting minutes of the Associated Students of the University of Puget Sound from 09/2009 - 04/2010.
Associated Students of the University of Puget Sound (ASUPS)
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Acoustic characterization of an outdoor test environment for determining sound power levels of hand-held machines [PDF]
Ciência Rural: Sound power is a fundamental parameter for characterizing noise sources. This report described the methodology applied to characterize an outdoor environment for determining the sound power levels of portable hand-held machines based on sound pressure ...
Érika Jamily Alves Nunes +4 more
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Applied Sciences, 2020 The aim of this paper is to investigate the influence of vertical fastener stiffness on the sound power characteristics of rail rolling noise. The rail mobility is obtained by using the Timoshenko-beam track model and the spectral element method.
Xi Sheng, Ying Zhang, Xiaozhou Liu
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Associated Students of the University of Puget Sound Senate Minutes 1989-1990 [PDF]
, 1989 Meeting minutes of the Associated Students of the University of Puget Sound from 08/1989 - 05/1990.
Associated Students of the University of Puget Sound,
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Research and Control Measures on Locomotive Braking Resistor Noise
机车电传动, 2014 According to the condition that brake resistor of locomotive no considering noise reduction requirements, background and status of noise research and control on the locomotive braking resistor devices were introduced.
WU Zhidong
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Prediction of Sound Radiation from Submerged Cylindrical Shell Based on Dominant Modes
Applied Sciences, 2020 A sound radiation calculation method by using dominant modes is proposed to predict the sound radiation from a cylindrical shell. This method can provide an effective way to quickly predict the sound radiation of the structure by using as few ...
Chao Zhang +4 more
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