Sökning: "wheel profile"

Visar resultat 26 - 27 av 27 avhandlingar innehållade orden wheel profile.

  1. 26. On wear in rolling/sliding contacts

    Författare :Rickard Nilsson; Ulf Olofsson; I. Sherrington; KTH; []
    Nyckelord :Technology; wear; rolling; sliding; contact; environment; TEKNIKVETENSKAP; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : The aim of this thesis is to increase the understanding of wear in rolling/sliding contacts such as the wheel-rail contact for railroads and the roller-washer contact for roller bearings. The Stockholm commuter train network has been the subject of papers A and B in this thesis in which the wear and surface cracks on rails has been observed for a period of three years. LÄS MER

  3. 27. Assessment of PHEV potential to reduce fuel use in Sweden using GPS data for car movements

    Författare :Lars Henrik Björnsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; PHEV potential; battery size; GPS-logging; PHEV viability; PHEV; Sweden; electrification; Individual movement pattern;

    Sammanfattning : Roughly 30% of Sweden’s total greenhouse gas emissions originate from transport. These emissions need to be reduced to be able to reach the by The Swedish parliament adopted goal of a carbon neutral society in 2050. LÄS MER