Study on effect of wheel polygonal wear on high-speed vehicle-track-subgrade vertical interactions
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DOI: 10.1016/j.wear.2019.05.029
Abstract: Abstract Wheel polygonal wear, as a form of wheel surface damage, is of great concern and potential threat to the deterioration and safety of railway systems. The experimentally measured polygonal wear can be treated as… read more here.
Keywords: track; polygonal wear; wheel; vehicle track ... See more keywords
Study on wheel polygonization of a metro vehicle based on polygonal wear simulation
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DOI: 10.1016/j.wear.2019.203071
Abstract: Abstract A long-term iterative wear model is proposed to predict the development of polygonal wear of railway wheels. To improve the simulation accuracy, the time step for numerical integration, wheel profile updating strategy and curve… read more here.
Keywords: vehicle; wheel polygonization; simulation; polygonal wear ... See more keywords
An investigation into the mechanism of high-order polygonal wear of metro train wheels and its mitigation measures
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DOI: 10.1080/00423114.2020.1770810
Abstract: High-order polygonal wear wheels have been detected on metro express train operating on one metro line in China, which cause fatigue failures of steel coil springs in the primary suspension. A series of tests and… read more here.
Keywords: order polygonal; metro; wear; high order ... See more keywords
Experimental and Numerical Investigation into Formation of Metro Wheel Polygonalization
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DOI: 10.1155/2019/1538273
Abstract: We present a detailed investigation of the mechanism of metro wheel polygonal wear using on-site experiments and numerical simulation. More than 70% of metro wheels exhibit 6th–8th harmonic-order polygonal wear; the excitation frequency of the… read more here.
Keywords: frequency; polygonal wear; metro wheel; wear ... See more keywords
Key Factors of the Initiation and Development of Polygonal Wear in the Wheels of a High-Speed Train
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DOI: 10.3390/app10175880
Abstract: The polygonal wear of train wheels occurs commonly in rail transport and increases the wheel–rail interaction force dramatically and has a bad effect on the safety and comfort of the train. The mechanism of polygonal… read more here.
Keywords: wheels high; wear; polygonal wear; development ... See more keywords