Search for dissertations about: "Rail Vehicles"

Showing result 11 - 15 of 38 swedish dissertations containing the words Rail Vehicles.

  1. 11. Adhesion in the wheel-rail contact under contaminated conditions

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Yi Zhu; KTH.; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; adhesion; wheel-rail contact; contaminants; rough surfaces;

    Abstract : Railway vehicles require a certain level of adhesion between wheel and rail to operate efficiently, reliably, and economically. Different levels of adhesion are needed depending on the vehicle running conditions. READ MORE

  2. 12. Light-weighting Methodology in Rail Vehicle Design through Introduction of Load Carrying Sandwich Panels

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : David Wennberg; KTH.; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; sandwich panels; rail vehicle; lightweight; optimisation; carbody; TECHNOLOGY Engineering mechanics Vehicle engineering; TEKNIKVETENSKAP Teknisk mekanik Farkostteknik; TECHNOLOGY Engineering mechanics Construction engineering; TEKNIKVETENSKAP Teknisk mekanik Konstruktionsteknik; TECHNOLOGY Materials science Construction materials; TEKNIKVETENSKAP Teknisk materialvetenskap Konstruktionsmaterial;

    Abstract : Lightweight design in rail vehicles has been important for quite some time. Structures have been optimised to fulfill their purpose and cut unnecessary weight to reach allowable axle loads. Classically this is done by using steel, thin-walled structures, throughout the car body, or, alternatively, power-pressed aluminum profiles. READ MORE

  3. 13. On the Influence of Rail Vehicle Parameters on the Derailment Process and its Consequences

    University dissertation from Stockholm : KTH

    Author : Dan Brabie; KTH.; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; train; railway; rail vehicle; accident; incident; derailment; bogie design; simulation; wheel; sleeper; impact; TECHNOLOGY Engineering mechanics Vehicle engineering; TEKNIKVETENSKAP Teknisk mekanik Farkostteknik;

    Abstract : This thesis aims at systematically studying the possibilities of minimising devastatingconsequences of high-speed derailments by appropriate measures and features in thetrain design, including the running gear. The course of events immediately afterderailments is studied with respect to whether the train stays upright and close to thetrack centre line or deviates laterally with probably serious consequences. READ MORE

  4. 14. The Internalization of External Effects in Swedish Transport Policy - A Comparison Between Road and Rail Traffic

    University dissertation from The International Institute for Industrial Environmental Economics

    Author : Lars Hansson; Lunds universitet.; Lund University.; [1997]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Commercial and industrial economics; rail traffic; road traffic; transport policy; internalization; External effects; pricing-relevant costs; Industriell ekonomi;

    Abstract : Popular Abstract in Swedish De nu gällande trafikpolitiska principerna för kostnadsansvaret lades fast i 1988 års trafikpolitiska beslut (Regeringens proposition 1987/88:50 om trafikpolitiken inför 1990-talet). Utgångspunkten för kostnadsansvaret är trafikavgifter på samhällsekonomiska villkor med syfte att ge rätt beteendesignaler på transportområdet. READ MORE

  5. 15. Characterisation of airborne particles from rail traffic

    University dissertation from Stockholm : KTH Royal Institute of Technology

    Author : Saeed Abbasi; KTH.; KTH.; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; airborne; railway; brake; block; TECHNOLOGY Engineering mechanics Other engineering mechanics; TEKNIKVETENSKAP Teknisk mekanik Övrig teknisk mekanik; SRA - Transport; SRA - Transport; Järnvägsgruppen - Effektiva tågsystem för godstrafik; Järnvägsgruppen - Effektiva tågsystem för godstrafik; Järnvägsgruppen - Effektiva tågsystem för persontrafik; Järnvägsgruppen - Effektiva tågsystem för persontrafik; Järnvägsgruppen - Tribologi; The KTH Railway Group - Tribology;

    Abstract : Since the investigation of wear particles in rail transport started in late-1910s, the high mass concentration of these particles has raised worries among researchers concerned with air quality. However, effective action has yet to be taken because of lack of relevant knowledge. READ MORE