Transmission Loss Analysis for a Silencer with an Infinite Number of Expansion Chambers Using the Transfer Matrix Method.
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| Title: | Transmission Loss Analysis for a Silencer with an Infinite Number of Expansion Chambers Using the Transfer Matrix Method. |
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| Authors: | Salamah, Ayah1 (AUTHOR) ayahsalamah5@gmail.com, Tiyah, Dalia1 (AUTHOR) dalia.tiyah@gmail.com, Horoub, Mamon1 (AUTHOR) mhoroub@birzeit.edu |
| Source: | Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ). Nov2025, Vol. 50 Issue 22, p18747-18757. 11p. |
| Subjects: | Transfer matrix, Noise control, Industrial applications, Acoustic filters, Energy dissipation, Absorption of sound, Mathematical models, Frequencies of oscillating systems |
| Abstract: | The growing use of industrial, air conditioning, and exhaust systems causes constant noise propagation affecting humans' health and environment. To mitigate this issue, expansion chamber silencers are widely used to attenuate the produced noise. A new approach is used to enhance the performance of the expansion chambers silencer in terms of increasing transmission loss, thereby improving noise dissipation. The approach analyzes the effect of utilizing different lengths configurations of the expansion chambers on transmission loss. A generalized mathematical model (MM) is derived using the transfer matrix method to facilitate finding the transmission loss for any number of expansion chambers. The MM is applied to evaluate two cases; the first case examined the impact of varying length configurations on the transmission loss of quadrable expansion chambers within the range of frequencies 0–3000 Hz, irrespective of the total length of each configuration. A constant total length is considered, in the second case, for all configurations and it is applied on three expansion chambers within the same frequency range and specifically at constant frequencies of 520 and 2024 Hz. In the first case, a maximum transmission loss has appeared at the "increasing then decreasing" length configuration. In the second scenario, the "uniform" length configuration worked best at 520 Hz, the "increasing then uniform" length design was best at 2024 Hz, and the "decreasing then uniform" length option displayed the largest transmission loss across the whole frequency range. These findings demonstrated that despite a constant total length, different optimal length configurations exist at each frequency, leading to maximum transmission loss and the most efficient noise reduction. [ABSTRACT FROM AUTHOR] |
| Copyright of Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 188948968 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Transmission Loss Analysis for a Silencer with an Infinite Number of Expansion Chambers Using the Transfer Matrix Method. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Salamah%2C+Ayah%22">Salamah, Ayah</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ayahsalamah5@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Tiyah%2C+Dalia%22">Tiyah, Dalia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> dalia.tiyah@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Horoub%2C+Mamon%22">Horoub, Mamon</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mhoroub@birzeit.edu</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Arabian+Journal+for+Science+%26+Engineering+%28Springer+Science+%26+Business+Media+B%2EV%2E+%29%22">Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. )</searchLink>. Nov2025, Vol. 50 Issue 22, p18747-18757. 11p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Transfer+matrix%22">Transfer matrix</searchLink><br /><searchLink fieldCode="DE" term="%22Noise+control%22">Noise control</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+applications%22">Industrial applications</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+filters%22">Acoustic filters</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Absorption+of+sound%22">Absorption of sound</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br /><searchLink fieldCode="DE" term="%22Frequencies+of+oscillating+systems%22">Frequencies of oscillating systems</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The growing use of industrial, air conditioning, and exhaust systems causes constant noise propagation affecting humans' health and environment. To mitigate this issue, expansion chamber silencers are widely used to attenuate the produced noise. A new approach is used to enhance the performance of the expansion chambers silencer in terms of increasing transmission loss, thereby improving noise dissipation. The approach analyzes the effect of utilizing different lengths configurations of the expansion chambers on transmission loss. A generalized mathematical model (MM) is derived using the transfer matrix method to facilitate finding the transmission loss for any number of expansion chambers. The MM is applied to evaluate two cases; the first case examined the impact of varying length configurations on the transmission loss of quadrable expansion chambers within the range of frequencies 0–3000 Hz, irrespective of the total length of each configuration. A constant total length is considered, in the second case, for all configurations and it is applied on three expansion chambers within the same frequency range and specifically at constant frequencies of 520 and 2024 Hz. In the first case, a maximum transmission loss has appeared at the "increasing then decreasing" length configuration. In the second scenario, the "uniform" length configuration worked best at 520 Hz, the "increasing then uniform" length design was best at 2024 Hz, and the "decreasing then uniform" length option displayed the largest transmission loss across the whole frequency range. These findings demonstrated that despite a constant total length, different optimal length configurations exist at each frequency, leading to maximum transmission loss and the most efficient noise reduction. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1007/s13369-024-09926-2 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 18747 Subjects: – SubjectFull: Transfer matrix Type: general – SubjectFull: Noise control Type: general – SubjectFull: Industrial applications Type: general – SubjectFull: Acoustic filters Type: general – SubjectFull: Energy dissipation Type: general – SubjectFull: Absorption of sound Type: general – SubjectFull: Mathematical models Type: general – SubjectFull: Frequencies of oscillating systems Type: general Titles: – TitleFull: Transmission Loss Analysis for a Silencer with an Infinite Number of Expansion Chambers Using the Transfer Matrix Method. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Salamah, Ayah – PersonEntity: Name: NameFull: Tiyah, Dalia – PersonEntity: Name: NameFull: Horoub, Mamon IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 11 Text: Nov2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 2193567X Numbering: – Type: volume Value: 50 – Type: issue Value: 22 Titles: – TitleFull: Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ) Type: main |
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