Dynamic Performance Analysis of Locomotives Based on the Matching between Worn Wheel-Rail Profiles

Da Kui Wang; Jun Zhang; Xiu Juan Zhang; You Yi Sheng

doi:10.4028/www.scientific.net/AMR.748.386

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 748Dynamic Performance Analysis of Locomotives Based...

Dynamic Performance Analysis of Locomotives Based on the Matching between Worn Wheel-Rail Profiles

Abstract:

Wheel profiles in different abrasion stages are tracked and measured for locomotives SS₄. They are then matched with rail profiles in the measured wear stability period. In order to contrast the wheel profiles in different abrasion stages, multi-body dynamic software named SIMPACK is adapted to set up a complete dynamics model of locomotives. The influence of wheel profiles in different abrasion stages on the dynamic performances of locomotives is simulated and analyzed. Analysis results state that locomotives using the wheel profiles of typeII have the good stability for their line operation. Locomotives using the wheel profiles of type I have the highest critical hunting speed of 223km/h, which is 54.8% larger than those of wheel profile JM3. When locomotives pass through curve tracks, the value of derailment factor for the wheel profiles of typeII is the smallest and achieves an excellent level, which explains that the wheel profiles of typeII can obtain the good curve negotiation performance.

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Periodical:

Advanced Materials Research (Volume 748)

Pages:

386-389

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.748.386

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Online since:

August 2013

Authors:

Da Kui Wang, Jun Zhang, Xiu Juan Zhang, You Yi Sheng

Keywords:

Curve Negotiation, Dynamic, Locomotive, Wheel-Rail Relationship

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