Novel Integrated Active and Passive Control of Fluid-Borne Noise in Hydraulic Systems [PDF]
Journal of Dynamic Systems, Measurement, and Control, 2021 Abstract Fluid-borne noise (FBN) is a major contributor to structure-borne noise (SBN) and air-borne noise (ABN) in hydraulic fluid power systems and could lead to increased fatigue in system components. FBN is caused by the unsteady flow generated by pumps and motors and propagates through the system resulting in SBN and ABN.
Pan, Min +3 more
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A Combined CFD-FEM Approach to Predict Fluid-Borne Vibrations and Noise Radiation of a Rotary Vane Pump [PDF]
Energies, 2021 The rising demand for lower noise emissions of car ancillary units due to electrification and higher customer expectations regarding driving comfort results in the need for more silent car components.
Timm Hieronymus +2 more
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Detection of Inception Cavitation in Centrifugal Pump by Fluid-Borne Noise Diagnostic
Shock and Vibration, 2019 This paper presents an experimental methodology that is capable of sensitively detecting the cavitation inception in a centrifugal pump. Firstly, with a centrifugal pump of ns=117 as research object, the cavitation performance, the bubble pattern ...
Liang Dong, Yuqi Zhao, Cui Dai
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Estimation of the characteristics of wave propagation in the water pipe using continuous wavelet transform [PDF]
Scientific ReportsCorrelation analysis has been widely used in pipeline leakage localization, and leakage noise correlators have been developed. The reliability of this technology for leakage location depends mainly on the propagation characteristics of the leakage signal,
Ping Lu, Shuang Chen, Dabin Cui, Ye He
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Acoustic scattering and mode interaction in bifurcated circular waveguide structures with reacting liners and discontinuities. [PDF]
PLoS ONEAcoustic scattering and nonlinear dispersion phenomena play a crucial role in the design and optimization of waveguide systems for noise control in engineering applications such as HVAC systems, aircraft engines, and industrial gas turbines.
Naif Alkuhayli +3 more
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Lumped parameter model of vane pumps developed in OpenModelica environment [PDF]
E3S Web of Conferences, 2021 In this paper, the authors present a 0D fluid dynamic model of a vane pump used to refill tanks with fuel. The model is entirely developed in OpenModelica environment, where the authors have created specific libraries of elements suitable for the ...
Zardin Barbara +3 more
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A Numerical Analysis of an Innovative Flow Ripple Reduction Method for External Gear Pumps
Energies, 2021 In this paper, an innovative solution to minimize noise emission, acting on the flow ripple, in a prototype External Gear Pump (EGP) is presented. Firstly, a new tool capable to completely simulate this pump’s typologies, called EgeMATor, is presented ...
Gianluca Marinaro +2 more
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Graph Convolutional Network Surrogate Model for Mesh-Based Structure-Borne Noise Simulation
Applied Sciences, 2023 This study presents a unique method of building a surrogate model using a graph convolutional network (GCN) for mesh-based structure-borne noise analysis of a fluid–structure coupled system.
Sang-Yun Lee, Sang-Kwon Lee
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Hybrid Fluid-borne Noise Control in Fluid-filled Pipelines [PDF]
Journal of Physics: Conference Series, 2016 This article reports on an initial investigation of a hybrid fluid-borne noise control system in hydraulic pipelines. The hybrid system is built by integrating an active feedforward noise controller with passive tuned flexible hoses. The active attenuator is designed to cancel the dominant harmonic pressure pulsations in the fluid line, while the ...
Pan, Min, Johnston, N., Plummer, A.
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Applied Sciences, 2020 The development of low-noise pumps is essential to design quiet fluid delivery systems. Due to the complicated internal flow, the flow-induced noise characteristics of high-speed centrifugal pumps have not been well understood.
Qiaorui Si +5 more
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