Dynamic model of curved pipe conveying fluid based on the absolute nodal coordinate formulation

JR Yuan, H Ding - International Journal of Mechanical Sciences, 2022 - Elsevier
The dynamic model of the curved pipes conveying fluid, established by the generalized
Hamiltonian principle, has been widely used to study the vibration properties of pipes with …

A novel denoising method of the hydro-turbine runner for fault signal based on WT-EEMD

F Dao, Y Zeng, J Qian - Measurement, 2023 - Elsevier
Sediment wear is a significant cause of hydro-turbine failure. The wavelet threshold and
ensemble empirical mode decomposition (WT-EEMD) method is proposed to denoising the …

Natural frequency assignment of a pipeline through structural modification in layout optimization of elastic supports

L Zhang, T Zhang, H Ouyang, T Li, M You - Journal of Sound and Vibration, 2023 - Elsevier
Layout optimization of elastic supports is an effective approach to address the resonance
problem of an industrial post-manufactured pipeline. However, previous investigations of …

Phononic crystal pipe with periodically attached sleeves for vibration suppression

Q Geng, L Kong, X Yang, Z Shao, Y Li - International Journal of Mechanical …, 2023 - Elsevier
Flexural vibration of pipes is a common problem in many practical engineering applications,
which usually influences the operating state of the system or even causes damage of the …

Free vibration analysis and numerical simulation of slightly curved pipe conveying fluid based on Timoshenko beam theory

JR Yuan, X Fan, S Shu, H Ding… - International Journal of …, 2022 - World Scientific
The modeling of a slightly curved pipe conveying fluid usually adopts the Euler–Bernoulli
beam theory. In this paper, a dynamic model of the slightly curved pipe conveying fluid …

Numerical analysis of vibroacoustic beamforming gains for acoustic source detection inside a pipe conveying turbulent flow

L Maxit, M Karimi, O Guasch, F Michel - Mechanical Systems and Signal …, 2022 - Elsevier
This study concerns a monitoring technique based on vibration measurements for identifying
the presence of an acoustic source in a fluid-filled pipe conveying turbulent flow. In such …

Acoustic source localisation using vibroacoustic beamforming

M Karimi, L Maxit - Mechanical Systems and Signal Processing, 2023 - Elsevier
For acoustic source localisation in a fluid, sound pressure is traditionally measured using a
microphone array, and acoustic beamforming is then applied to the pressure signals to …

Numerical simulation of structure-borne noise in a T-shaped tee considering fluid–structure interaction

F Lv, N Wang, S He, M Gao - Physics of Fluids, 2023 - pubs.aip.org
In order to research the structure-borne noise characteristics of a T-shaped tee considering
fluid–structure interaction (FSI), large eddy simulation and the acoustic finite element …

Pattern recognition of two-phase liquid–gas flow by discriminant analysis applied to accelerometric signals

A Amoresano, G Langella, P Iodice, G Quaremba - Physics of Fluids, 2023 - pubs.aip.org
Optimizing heat transfer in the evaporator tubes is essential for obtaining optimal
coefficients. Deviation from ideal nucleated boiling configurations can lead to rapid …

Vibro-acoustic modeling of the turbulent excited cavity-plate-exterior space coupled system

X Song, G Jin, H Li, S Zhong, T Ye, Y Chen - International Journal of …, 2024 - Elsevier
To mitigate flow-induced noise in sonar self-noise, this study introduces a vibro-acoustic
modeling technique for sonar cabins. This technique couples a turbulent-flow-excited plate …