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- W4284968186 abstract "Rail grinding becomes an important maintenance means of railway. Dynamic behavior of rail grinder is due to vehicle-track coupling relationship based on mechanical-electric-hydraulic coupling. Curve negotiating ability of rail grinder through modeling and simulation based on one-side grinding is studied in this paper. Simulation result is shown below. In typical case, rail grinding will increase transverse displacement of wheelsets, derailment coefficient of wheels in front wheelset, and unloading rate of wheelsets. In other case, increase of rail irregularity amplitude and decrease of its wavelength, which aggravates fluctuation of grinding power, has little influence on curve negotiating ability. When line radius curvature decreases, compared to state without grinding, decline to curve negotiating ability of state with grinding is more significantly. When number of grinding wheels at work increases, lateral displacement of wheelset, derailment coefficient of wheels in front wheelset, and unloading ratio of wheelsets increase. In short, rail grinding will significantly deteriorate curve negotiating ability of rail grinder." @default.
- W4284968186 created "2022-07-10" @default.
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- W4284968186 date "2022-07-08" @default.
- W4284968186 modified "2023-09-25" @default.
- W4284968186 title "Analysis on curve negotiating ability of rail grinder in grinding state" @default.
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- W4284968186 doi "https://doi.org/10.1038/s41598-022-13712-1" @default.
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