Paper Title:
Experimental Investigation on Dynamic Characteristics of a FEAD System: Affected by Serpentine Belt Length
  Abstract

Serpentine belt is widely used in the front end accessory drive (FEAD) system of automotive engine. Experimental setup and dynamic behaviors of a FEAD system are demonstrated in this paper. Some dynamic characteristics are investigated, subjected to multifrequency excitations and different crankshaft (CRK) loads. Experimental results show that the parametric instability of belt transverse vibration occurs mainly in the frequency regions of secondary resonance, and the instability regions are shifted to lower frequencies according to the increasing of CRK speed. With the same CRK load and speed, the rotational angle of tensioner arm, the hubload of tensioner pulley and the slip rate of ALT pulley in the short-belt system are smaller than that in the long-belt system. But with the increase of CRK loads, the parametric instability of belt transverse vibration in the short-belt system is stronger than that in the long-belt system, the higher CRK speed, the greater belt transverse displacement.

  Info
Periodical
Edited by
Shengyi Li, Yingchun Liu, Rongbo Zhu, Hongguang Li, Wensi Ding
Pages
533-537
DOI
10.4028/www.scientific.net/AMM.34-35.533
Citation
X. K. Zeng, W. B. Shangguan, "Experimental Investigation on Dynamic Characteristics of a FEAD System: Affected by Serpentine Belt Length", Applied Mechanics and Materials, Vols. 34-35, pp. 533-537, 2010
Online since
October 2010
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Price
$32.00
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