A hybrid method technique for design and optimization of Formula race car exhaust muffler

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dc.contributor.authorMohamad, Barhm
dc.contributor.authorJalics, Karoly
dc.contributor.authorZelentsov, Andrei
dc.contributor.authorAmroune, Salah
dc.contributor.statusnemhu_HU
dc.date.accessioned2021-04-06T11:23:22Z
dc.date.available2021-04-06T11:23:22Z
dc.date.issued2020-08-01
dc.description.abstractIn this work a multilevel Computational Fluid Dynamics (CFD) analysis has been applied for the design of a Formula race car exhaust muffler with improved characteristics of sound pressure level (SPL) and fluid dynamic response. The approaches developed and applied for the optimization process range from the 1D to fully 3D CFD simulation, exploring hybrid approaches based on the integration of a 1D model with 3D tools. Modern mufflers typically have a complex system of chambers and flow paths. There are a variety of sound damping and absorbing mechanisms working to quiet the sound flowing through a muffler and piping system. Two calculation methods were selected for this study. The muffler has a complex inner structure containing perforated pipe and fiber material. Computer-aided design (CAD) file of the muffler was established for developing Finite Element Analysis (FEA) model in AVL BOOST v2017 and another commercial advanced design software (SolidWorks 2017). FEA model was made to monitor the flow properties, pressure and velocity. After the model was verified, sensitivity studies of design parameters were performed to optimize the SPL of the muffler. The software analysis results are included in the paper. Recommendations are made for obtaining smoother SPL curves for various measurement methods.hu_HU
dc.identifier.doi10.1556/1848.2020.20048hu_HU
dc.identifier.issn2062-0810
dc.identifier.issue2hu_HU
dc.identifier.jtitleInternational Review of Applied Sciences and Engineering
dc.identifier.urihttp://hdl.handle.net/2437/305254
dc.identifier.urlhttps://akjournals.com/view/journals/1848/11/2/article-p174.xmlhu_HU
dc.identifier.volume11hu_HU
dc.language.isoenhu_HU
dc.publisherAkadémiai Kiadóhu_HU
dc.subjectexhaust systemhu_HU
dc.subjectmufflerhu_HU
dc.subjectsound pressure levelhu_HU
dc.subjectfinite element analysishu_HU
dc.subject1D and 3D simulationhu_HU
dc.titleA hybrid method technique for design and optimization of Formula race car exhaust mufflerhu_HU
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International Review of Applied Sciences and Engineering