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Coupled Fluid–Structure–Acoustic Analysis of Flow‐Induced Noise Control Using an Elastic Baffle in a Micro Channel.

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Title: Coupled Fluid–Structure–Acoustic Analysis of Flow‐Induced Noise Control Using an Elastic Baffle in a Micro Channel.
Authors: Adibi, Tohid1 (AUTHOR) tohidadibi@ubonab.ac.ir, Razavi, Seyed Esmail2 (AUTHOR), Ahmed, Shams Forruque3,4 (AUTHOR) shams.f.ahmed@gmail.com, Fardnia, Khashayar2 (AUTHOR), Qheydarpoor, Aydin1 (AUTHOR), Alotaibi, Hammad5 (AUTHOR)
Source: Energy Science & Engineering. May2026, Vol. 14 Issue 5, p2571-2582. 12p.
Subject Terms: *Noise control, *Fluid-structure interaction, *Finite element method, *Microchannel flow, *Flow-induced vibration (Mechanics), *Acoustic signal processing, *Galerkin methods
Abstract: Noise control in fluid structures is significant to improve the performance of the system, reduce noise pollution, and ensure structural integrity in many engineering applications. Although past studies have mainly studied fluid–structure interaction and acoustics individually, the present study fills this gap and presents a coupled study of fluid flow over an elastic baffle, considering the interaction among fluid flow, structural deformation, and acoustic emissions. The effect of the elastic baffle on velocity, pressure, and induced vibration frequency is evaluated to examine how it affects fluid movement and the minimization of noise. A finite element and a Galerkin method are utilized to perform discretization. Among the most significant findings, there is a 50% decrease in noise transmission along with a 50% decrease in the length of the baffle, supporting the idea that geometric optimization can be employed to manage noise. The baffle height also results in a 27% transmission enhancement of noise. This understanding can be a foundation of optimization and enhancement of baffle layout, particularly in heating, ventilation, and air conditioning (HVAC), automotive exhaust systems, and aerospace components, where sound mitigation is an important consideration. The study also offers a better understanding of fluid–structure–acoustic interactions and a practical solution for noiseless, more efficient systems. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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An: 194013641
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Coupled Fluid–Structure–Acoustic Analysis of Flow‐Induced Noise Control Using an Elastic Baffle in a Micro Channel.
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  Data: <searchLink fieldCode="JN" term="%22Energy+Science+%26+Engineering%22">Energy Science & Engineering</searchLink>. May2026, Vol. 14 Issue 5, p2571-2582. 12p.
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  Data: *<searchLink fieldCode="DE" term="%22Noise+control%22">Noise control</searchLink><br />*<searchLink fieldCode="DE" term="%22Fluid-structure+interaction%22">Fluid-structure interaction</searchLink><br />*<searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br />*<searchLink fieldCode="DE" term="%22Microchannel+flow%22">Microchannel flow</searchLink><br />*<searchLink fieldCode="DE" term="%22Flow-induced+vibration+%28Mechanics%29%22">Flow-induced vibration (Mechanics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Acoustic+signal+processing%22">Acoustic signal processing</searchLink><br />*<searchLink fieldCode="DE" term="%22Galerkin+methods%22">Galerkin methods</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Noise control in fluid structures is significant to improve the performance of the system, reduce noise pollution, and ensure structural integrity in many engineering applications. Although past studies have mainly studied fluid–structure interaction and acoustics individually, the present study fills this gap and presents a coupled study of fluid flow over an elastic baffle, considering the interaction among fluid flow, structural deformation, and acoustic emissions. The effect of the elastic baffle on velocity, pressure, and induced vibration frequency is evaluated to examine how it affects fluid movement and the minimization of noise. A finite element and a Galerkin method are utilized to perform discretization. Among the most significant findings, there is a 50% decrease in noise transmission along with a 50% decrease in the length of the baffle, supporting the idea that geometric optimization can be employed to manage noise. The baffle height also results in a 27% transmission enhancement of noise. This understanding can be a foundation of optimization and enhancement of baffle layout, particularly in heating, ventilation, and air conditioning (HVAC), automotive exhaust systems, and aerospace components, where sound mitigation is an important consideration. The study also offers a better understanding of fluid–structure–acoustic interactions and a practical solution for noiseless, more efficient systems. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
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        Value: 10.1002/ese3.70496
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 2571
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      – SubjectFull: Noise control
        Type: general
      – SubjectFull: Fluid-structure interaction
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Microchannel flow
        Type: general
      – SubjectFull: Flow-induced vibration (Mechanics)
        Type: general
      – SubjectFull: Acoustic signal processing
        Type: general
      – SubjectFull: Galerkin methods
        Type: general
    Titles:
      – TitleFull: Coupled Fluid–Structure–Acoustic Analysis of Flow‐Induced Noise Control Using an Elastic Baffle in a Micro Channel.
        Type: main
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          Name:
            NameFull: Adibi, Tohid
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            NameFull: Razavi, Seyed Esmail
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            NameFull: Ahmed, Shams Forruque
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            NameFull: Fardnia, Khashayar
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            NameFull: Qheydarpoor, Aydin
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            NameFull: Alotaibi, Hammad
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 14
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              Value: 5
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            – TitleFull: Energy Science & Engineering
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