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slightEffect of damping on the propensity of squeal instability: An experimental investigation
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10.1121/1.2875628
/content/asa/journal/jasa/123/4/10.1121/1.2875628
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/4/10.1121/1.2875628

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Experimental setup and (b) schema of the experimental rig.

Image of FIG. 2.
FIG. 2.

(Color online) FRF of the setup measured on the disk periphery and frequency range covered by the second bending mode of the beam.

Image of FIG. 3.
FIG. 3.

(Color online) Operative deflection shape for the: (a) (0,4) mode of the disk and (b) second mode of the beam.

Image of FIG. 4.
FIG. 4.

(Color online) Addition of layers of damping material: (a) On the disk and (b) on the beam.

Image of FIG. 5.
FIG. 5.

FRFs of the beam for, respectively, no damping layer (black line); one damping layer (grey line); and two damping layers (dashed line).

Image of FIG. 6.
FIG. 6.

(Color online) Experimental evaluation of the lock-in plot.

Image of FIG. 7.
FIG. 7.

(Color online) Plot of the system instability (lock-in graphic) for system without damping layers. The unstable range of the system parameter (added mass) and the corresponding frequency range (beam dynamics).

Image of FIG. 8.
FIG. 8.

(Color online) Plot of the system instability (lock-in graphic) when one damping layer is applied on both the disk and the beam.

Image of FIG. 9.
FIG. 9.

(Color online) Plot of the system instability (lock-in graphic) when one (a) and two (b) damping layers are applied to the beam; no damping layers are applied to the disk.

Image of FIG. 10.
FIG. 10.

(Color online) Plot of the system instability (lock-in graphic) when one damping layer is applied to the disk; no damping layers are applied to the beam.

Tables

Generic image for table
TABLE I.

Modal damping of the beam and disk with and without contact.

Generic image for table
TABLE II.

Modal damping of the beam and disk mode for different configurations.

Generic image for table
TABLE III.

Modal damping distribution and unstable frequency range for different configurations.

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/content/asa/journal/jasa/123/4/10.1121/1.2875628
2008-04-01
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: slightEffect of damping on the propensity of squeal instability: An experimental investigation
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/4/10.1121/1.2875628
10.1121/1.2875628
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