一种基于声子晶体的解决方案，用于改善柱塞泵的噪声和振动行为

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2025-08-16 DOI:10.1016/j.apacoust.2025.111001

Saber Nasraoui , David Ferras , Capucine Dupont

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引用次数: 0

摘要

柱塞泵虽然是一种离网、无化石燃料的抽水设备，但在运行过程中存在严重的噪音和振动，对其性能和可靠性产生了不利影响。本文提出的解决方案在四方程流固相互作用（FSI）模型的基础上利用声子晶体（PCs）概念来描述和减少这些干扰。Bloch-Floquet方法已被用于设计一种基于pc的驱动管，该驱动管由交替材料组成，在振动频率范围内具有带隙。通过液压柱塞实验装置验证了该方案在减小噪声和振动、提高柱塞泵性能方面的能力。结果表明，在相同条件下，与普通柱塞泵相比，由交替（PVC）和铜管段组成的驱动管可以将压力信号中的振动幅值降低90%，从而使柱塞泵的效率提高25%。

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A phononic crystal-based solution for improved noise and vibration behavior of ram pumps

Ram pumps, despite serving as off-grid and fossil-free water pumping devices, suffer from significant noise and vibration during operation, adversely impacting both their performance and reliability. The solution proposed in this paper leverages phononic crystals (PCs) concept on the basis of a four-equation fluid–structure interaction (FSI) model to describe and reduce these disturbances. Bloch-Floquet approach has been used to design a PC-based drive pipe consisting of alternating materials, featuring band gaps in the vibrational frequency ranges. The ability of the proposed solution in attenuating noise and vibration and enhancing ram pump performance has been experimentally verified using a hydraulic ram experimental setup. The results show that a drive pipe, constructed with alternating (PVC) and copper pipe sections arranged in 6-unit cells, achieves a 90 % reduction of vibration amplitudes in the pressure signal, leading to a 25 % improvement in the ram pump efficiency compared to the ordinary one operating under identical conditions.

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.