promoting access to white rose research papers universities of leeds sheffield and york http eprints whiterose ac uk this is an author produced version of a paper published in wear ...
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...Promoting access to white rose research papers universities of leeds sheffield and york http eprints whiterose ac uk this is an author produced version a paper published in wear online url for gallardo hernandez e lewis r twin disc assessment wheel rail adhesion pp dx doi org j department mechanical engineering the university mappin street s jd corresponding roger abstract loss between railway track has implications both braking traction poor safety issue as it leads extended stopping distances performance may lead reduced acceleration which could cause delays work was assessed using simulation effects number contaminants such oil dry wet leaves sand were investigated these have been shown past significant effect on but not well quantified results that water reduce from condition however gave lowest values even when addition commonly used friction enhancer brought levels back without present recorded particularly conditions are range seen field measurements relatively severe surface da...