Sökning: "bus"

Visar resultat 11 - 15 av 231 avhandlingar innehållade ordet bus.

  1. 11. Wheelchair Passengers and Local Public Transport Vehicles: Perceptions of Safety and Comfort

    Författare :Anders Wretstrand; Trafik och väg; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Road transport technology; Public transport; Bus; STS; Perception; Comfort; Wheelchair users; Safety; Vägtransportteknik; Care and help to handicapped; Handikappade; vård och rehabilitering;

    Sammanfattning : Eliciting wheelchair-seated passengers’ perspective of safety and comfort is both useful and mandatory, particularly for researchers, clinicians, transit authorities, and for operators during purchase and use of vehicle technologies in existing and planned future transport systems. Therefore, the overarching objective of this thesis was to delineate the question of safety and comfort as perceived by wheelchair-seated passengers using public transport road vehicles. LÄS MER

  3. 12. Large-Eddy Simulation for Computing the Flow Around Vehicles

    Författare :Sinisa Krajnovic; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; LES; Subgrid scale model; Bus; SGS model; Car; Vehicle; Large eddy simulation;

    Sammanfattning : The feasibility of the use of large-eddy simulation (LES) in external vehicle aerodynamics is investigated. The computational requirement for LES of the full size car at road conditions is beyond the capability of computers in the near future. Since LES cannot be used for quantitative prediction of this flow, i.e. LÄS MER

  4. 13. Competition in Public Transport : Essays on competitive tendering and open-access competition in Sweden

    Författare :Andreas Vigren; Svante Mandell; Jan-Eric Nilsson; Nash Nash; Statens väg- och transportforskningsinstitut; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Public transport; Contract; Tender; Bus; Economic efficiency; Competition; Location; Transport operator; Depot transp ; Impact study; Railway; Line transp ; 02 Road: Economics; 02 Road: Economics; 111 Road: Public transport; 111 Road: Public transport; J13 Railway: Economics; J13 Railway: Economics; Transportvetenskap;

    Sammanfattning : The results of this work show that the cost efficiency of tendered bus services is similar across all Swedish counties, except for the more high-density counties where efficiency is lower. Considerably lower efficiency is also found for contracts with services run in-house by the Public Transport Authority (PTA), compared to when the same service is run by a private actor. LÄS MER

  5. 14. Barns samspel bortom förskolans väggar : Om yngre barns samspel och platsskapande på förskolegården och i en mobil förskola

    Författare :Carina Berkhuizen; Katarina Gustafson; Eva Änggård; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Pedagogy; interaction; context; preschool; children; fantasy play; play; mobile preschool; interpretive reproduction; place; agency; ethnography; spatiality; physical; social; environment; environmental psychology; preschool teacher; artifact; preschool yard; bus; pedagogik; samspel; kontext; sammanhang; förskola; barn; fantasilek; lek; mobil förskola; tolkande reproduktion; agens; plats; etnografi; rumslighet; fysisk; social; miljö; miljöpsykologi; förskollärare; pedagog; artefakt; förskolegård; buss; Pedagogik; Education;

    Sammanfattning : The general aim of this thesis is to explore the relations between children’s interaction and places within preschool activities. How children’s interaction opportunities are conditioned by the physical and social environment in the preschool yard (study I), as well as place-making processes in various contexts in mobile preschool activities (studies II and III), are examined within the framework of this purpose. LÄS MER

  7. 15. Contributions to improvement of efficiency and cognitive workload of city bus drivers

    Författare :Roger Axelsson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; cognitive workload; simulation; driver assistance; bus driver; driveline; powertrain; human factors; modelling; in-vehicle information;

    Sammanfattning : .... LÄS MER