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Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.48 [2010] >
IJPAP Vol.48(12) [December 2010] >
| Title: | Noise emissions of transit trains at curvature due to track lubrication |
| Authors: | Garg, Naveen
Sharma, Omkar |
| Keywords: | Lubricated track
Normal track
Wheel/rail interface |
| Issue Date: | Dec-2010 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | The flanging and
squealing noise generated by transit metro trains while crossing a curvature
path has been studied. The noise emission at curvature is analyzed in case of
non lubricated and lubricated track for wayside and interior of the train. The
gauge face lubrication does not have a significant effect on the A-weighted
noise generated by the train transit system while passing through a curved
track. The negation of lubrication effect in controlling the overall A-weighted
noise emission is attributed to an additional reaction force component, which
accentuates the wheel/rail interaction comparatively more than the reduced high
frequency squeal and flanging noise for the lubricated track. This additional
force component is generated due to longitudinal and spin creepage on the
flange while encountering a curved track and is observed to cause an increase
in noise emission in the frequency range 250-400 Hz, where the rail/wheel
interaction is dominant; in both way side as well as interior noise levels. |
| Page(s): | 881-885 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.48(12) [December 2010]
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