MODELLING OF EXHAUST SYSTEM SILENCERS IN INTERNAL COMBUSTION ENGINES

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FAEZIAN A.; MODARES RAZAVI M.R.; ONORATI A.

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Journal: AMIRKABIR Year:2004 | Volume:15 | Issue:58-B Page(s): 398-410

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Information Journal Paper

Title

MODELLING OF EXHAUST SYSTEM SILENCERS IN INTERNAL COMBUSTION ENGINES

Author(s)

FAEZIAN A. | MODARES RAZAVI M.R. | ONORATI A. | Issue Writer Certificate

Keywords

SILENCERQ4

PERFORATEQ4

SOUNDQ4

PULSEQ4

NOISEQ2

ACOUSTIC MODELQ4

SOUND ABSORPTIVEQ4

DUCT-SYSTEMQ4

Abstract

In this work, SILENCERs with some PERFORATEd pipes are modeled. In this modeling the holes are considered as short ducts and the junctions of hole-cavity and hole-pipe interface are simulated as T-junctions (in the DUCT-SYSTEM method). The dissipative effect of absorptance material is modeled by two methods; the constant distributed pressure loss (f model) and the variable distributed pressure loss (R) models in the absorptive SILENCERs. These two methods are compared with the concentric and constant distributed pressure loss (k-f) model. Comparison of numerical and experimental results shows that the extension of the DUCT-SYSTEM model to complex PERFORATEs is possible. Also R model, due to the consideration of the effects of physical properties of the filling iabsorbent and gas flow, is more preferable than the other two models.

Cites

MODELING OF N-BRANCH JUNCTIONS AND UPSTREAM ACOUSTICAL EXCITATION IN THE SILENCERS OF INTERNAL COMBUSTION ENGINES

References

مدلسازی انشعاب چند شاخه ای و منبع تحریک آکوستیکی در بالادست خفه کنهای موتورهای احتراق داخلی

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APA: Copy

FAEZIAN, A., MODARES RAZAVI, M.R., & ONORATI, A.. (2004). MODELLING OF EXHAUST SYSTEM SILENCERS IN INTERNAL COMBUSTION ENGINES. AMIRKABIR, 15(58-B), 398-410. SID. https://sid.ir/paper/689/en

Vancouver: Copy

FAEZIAN A., MODARES RAZAVI M.R., ONORATI A.. MODELLING OF EXHAUST SYSTEM SILENCERS IN INTERNAL COMBUSTION ENGINES. AMIRKABIR[Internet]. 2004;15(58-B):398-410. Available from: https://sid.ir/paper/689/en

IEEE: Copy

A. FAEZIAN, M.R. MODARES RAZAVI, and A. ONORATI, “MODELLING OF EXHAUST SYSTEM SILENCERS IN INTERNAL COMBUSTION ENGINES,” AMIRKABIR, vol. 15, no. 58-B, pp. 398–410, 2004, [Online]. Available: https://sid.ir/paper/689/en

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