Sökning: "rail bound traffic"

Hittade 3 avhandlingar innehållade orden rail bound traffic.

  1. 1. Responding to Terrorist Attacks on Rail Bound Traffic : Challenges for Inter-organizational Collaboration

    Författare :Veronica Strandh; Jan Engberg; Helena Lindholm Schultz; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; crisis management; terrorism; rail bound traffic; interorganizational collaboration; disaster medicine; scenario-based planning; preparedness; response; security;

    Sammanfattning : Contemporary terrorism is becoming increasingly indiscriminate, and rail bound traffic appears to be vulnerable and at high risk for terrorist attacks. An attack targeting a train or subway system can have enormous implications, both in terms of human suffering and long-term societal consequences. LÄS MER

  3. 2. Simulating rolling noise on ballasted and slab tracks: vibration, radiation, and pass-by signals

    Författare :Jannik Theyssen; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Railway rolling noise; Numerical modelling; Green s functions; Time domain; Spherical harmonics; Slab track; 2.5D FE BE;

    Sammanfattning : Shifting to rail-bound freight and passenger traffic is key in Europe's strategy towards transport decarbonisation. However, increasing railway traffic can increase environmental noise pollution. Rolling noise is often the dominant noise source. It originates from the interaction of the rough running surfaces of wheel and rail. LÄS MER

  4. 3. Management of condition information from railway punctuality perspectives

    Författare :Rikard Granström; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

    Sammanfattning : Due to the increasing need for transportation and environmental concerns, there is a social and political will to transfer transportation services from roads to rail. The increasing demand for railway transportation services has a significant effect on important stakeholder requirements, such as safety, punctuality, dependability, sustainability and costs. LÄS MER