Temperature Effect on the Rattle and Squeak Noise of Automotive Instrument Panel and Console Hefei University of Technology

Format:

Book

Conference/Event

Author/Creator:

Yang, Xiaoyu, author.

Contributor:

Mu, Yongtao

Conference Name:

Automotive Technical Papers (2025-01-01 : Warrendale, Pennsylvania, United States)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2025

Summary:

In order to improve the comfort and perceptive quality of vehicle on the climate conditions worldwide, the temperature effect on rattle and squeak of instrument panel and console is studied under temperatures of 30°C, 23°C, and 60°C. First, the modal accuracy of finite element model is certificated by real vehicle test. The first global mode shapes are reciprocating rotation and reciprocating translation for instrument panel and console, respectively, corresponding to frequencies of 36.6 Hz and 29.6 Hz, which attain about 91% and 92.5% relative to the experiment values. Second, on basis of the "3σ" threshold of 0.27%, an assembly clearance in left instrument panel has non-negligible rattle risk under all temperatures. Another three clearances have no rattle risk but get rattle increase under temperatures of 30°C and 60°C. In addition, the rattle risk is increased around console end clearances at the temperature of 60°C. In other cases, the rattle risk is 0% or can be neglected. Third, based on the squeak threshold with an inverse of impulse rate gained from stickslip test, the maximal tangential relative displacements of some clearances are above the corresponding thresholds under the temperatures of 23°C and 60°C, illustrating squeak isn't produced in low temperature, but become annoying to people's hearing as the temperature is increased. Moreover, there isn't squeak noise around armrest box due to acoustical compatibility of PP+EPDM+TD20 versus PC_ABS in all temperatures

Notes:

Vendor supplied data

Publisher Number:

2025-01-5042

Access Restriction:

Restricted for use by site license