Experiments/Process/System Modeling/Simulation/Optimization (IC-EPSMSO 2023)

A special issue of Computation (ISSN 2079-3197).

Deadline for manuscript submissions: 30 April 2024 | Viewed by 703

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Dear Colleagues,

The 10th International Conference on Experiments/Process/System Modeling/Simulation/Optimization (10th IC-EpsMsO) was held in Loutraki, Greece, from 6 to 9 July 2023, at the Alexandreio Convention Center. For more information about the conference, please visit the conference website (https://www.epsmso.gr).

Selected papers presented at the conference and included in the conference proceedings will be considered for inclusion in this Special Issue. The authors of the selected papers will be notified by the Conference Chairman, in due time, to submit their papers to this Special Issue of Computation, by 31 December 2023 at the latest. Submitted papers could be extended from their conference size to include new results, if any. All submitted papers will undergo the journal’s standard peer review procedure. Accepted papers will be published in open access format in Computation and collected in this Special Issue. The papers accepted for publication will be published free of charge, instead of the 1600 CHF standard Article Processing Charge (APC) for this journal.

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Published Papers (1 paper)

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Research

15 pages, 5370 KiB  
Article
Recent Developments in Using a Modified Transfer Matrix Method for an Automotive Exhaust Muffler Design Based on Computation Fluid Dynamics in 3D
by Mihai Bugaru and Cosmin-Marius Vasile
Computation 2024, 12(4), 73; https://doi.org/10.3390/computation12040073 - 04 Apr 2024
Viewed by 422
Abstract
The present work aims to investigate the newly modified transfer matrix method (MTMM) to predict an automotive exhaust muffler’s transmission loss (AEMTL). The MTMM is a mixed method between a 3D-CFD (Computation Fluid Dynamics in 3D), namely AVL FIRETM M Engine (process-safe [...] Read more.
The present work aims to investigate the newly modified transfer matrix method (MTMM) to predict an automotive exhaust muffler’s transmission loss (AEMTL). The MTMM is a mixed method between a 3D-CFD (Computation Fluid Dynamics in 3D), namely AVL FIRETM M Engine (process-safe 3D-CFD Simulations of Internal Combustions Engines), and the classic TMM for the exhaust muffler. For all the continuous and discontinuous sections of the exhaust muffler, the Mach number of the cross-section, the temperature, and the type of discontinuity of the exhaust gas flow were taken into consideration to evaluate the specific elements of the acoustic quadrupole that define the MTMM coupled with AVL FIRETM M Engine for one given muffler exhaust. Also, the perforations of intermediary ducts were considered in the new MTMM (AVL FIRETM M Engine linked with TMM) to predict the TL (transmission loss) of an automotive exhaust muffler with three expansion chambers. The results obtained for the TL in the frequency range 0.1-4 kHz agree with the experimental results published in the literature. The TMM was improved by adding the AVL FIRETM M Engine as a valuable tool in designing the automotive exhaust muffler (AEM). Full article
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