Acoustic Sources localization: Application to Wiper Aerodynamic Noises

Sanon, Anne; Jallet, Sébastien

doi:10.4271/2003-01-1700

Cited by 2 publications

(1 citation statement)

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“…The floating phenomenon also has a bad effect on the wiper's service life. And, adding too much pre tightening force increases the friction between rubber and glass, which is a primary factor in inducing squeal noises from vehicle wiper systems on automotive windshields (Sanon and Jallet 2003;Ali et al 2013;Dongki et al 2014). Meanwhile, excessive preload force also increases motor load and scratches the windshield.…”

Section: Introductionmentioning

confidence: 99%

Research on the Aerodynamic Lift of Vehicle Windshield Wiper

Chen

Peng

2016

JAFM

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Currently, research on the aerodynamic lift of vehicle windshield wipers is confined to the steady results, and there are very few test results. In the face of this truth, a wind tunnel test is conducted by using the Multipoint Film Force Test System (MFF). In this test, the aerodynamic lift of four kinds of wiper is measured at different wind speeds and different rotation angles. And then, relevant steady-state numerical simulations are accomplished and the mechanism of the aerodynamic lift is analyzed. Furthermore, combined with dynamic meshing and user-defined functions (UDF), transient aerodynamic characteristics of wipers are obtained through numerical simulations. It is found that the aerodynamic lift takes great effect on the stability of wipers, and there is maximum value of the lift near a certain wind speed and rotation angle. The lift force when wipers are rotating with the free stream is less than steady, and the force when rotating against the free stream is greater than steady.

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Section: Introductionmentioning

confidence: 99%