Modelling of chamber mufflers by four-pole electrical ducts
by Z. Petronijevic, A. Kojic
International Journal of Vehicle Design (IJVD), Vol. 17, No. 1, 1996

Abstract: In this paper, we present a method for modelling of chamber mufflers by four-pole electrical ducts. The basic equations of the electrical ducts as the four-poles are first derived in the paper. Based on the electrical-acoustic analogy, the muffler elements are represented by four-pole electrical ducts. The acoustic pressure is analogous to voltage, while the volumetric velocity corresponds to current. Transmission loss (TL) is selected as a muffler characteristic. Some numerical results are given in the paper for various chamber diameters and lengths. Results are compared to those obtained with other methods.

Online publication date: Wed, 28-May-2014

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