This paper is published in Volume-5, Issue-4, 2019
Area
Automotive Engineering
Author
Anshuman Kumaar Singh
Org/Univ
University of Windsor, Windsor, Canada, Canada
Pub. Date
25 July, 2019
Paper ID
V5I4-1239
Publisher
Keywords
Acoustic behavior, Aeroacoustic dipole noise, Solidworks, Turbulence, Vortex shedding

Citationsacebook

IEEE
Anshuman Kumaar Singh. Design and analysis of a car radiator fan assembly to mitigate the effect of aeroacoustic dipole noise, International Journal of Advance Research, Ideas and Innovations in Technology, www.IJARIIT.com.

APA
Anshuman Kumaar Singh (2019). Design and analysis of a car radiator fan assembly to mitigate the effect of aeroacoustic dipole noise. International Journal of Advance Research, Ideas and Innovations in Technology, 5(4) www.IJARIIT.com.

MLA
Anshuman Kumaar Singh. "Design and analysis of a car radiator fan assembly to mitigate the effect of aeroacoustic dipole noise." International Journal of Advance Research, Ideas and Innovations in Technology 5.4 (2019). www.IJARIIT.com.

Abstract

Engine cooling fans contribute a major portion of the total noise generated by the different mechanisms in a car. Therefore the design aspect of the fan blades and housing need impeccable research and careful machining to limit the noise level to a bare minimum. The noise generated from the design aspect of the fan can be grouped into two categories, rotational and irrotational. The rotational domain takes into consideration the effect of turbulence and inflow distortion while the irrotational domain considers the effects of laminar boundary layer vortex shedding, blade interaction with tip clearance and the phenomena of blade stall. The objective is to analyze the acoustic behavior and response from the fan blade and housing when exposed to incoming airflow in a car. The process due to which the aeroacoustic dipole noise is generated is investigated and the parameters affecting the noise level are assessed. The flow and acoustic analysis are carried out on SOLID WORKS flow simulation and the generated data for our particular case is represented on a graphical scale against frequency. The causes behind noise generation in a fan assembly is studied and major emphasis is laid on the aerodynamic factors, which affect the noise generation in the radiator cooling fans. After validating the theoretical procedure, an attempt is made to redesign the existing fan assembly structure by adding grills and MPP dampeners and source modification is done to reduce noise levels.
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