Sökning: "railway"

Visar resultat 11 - 15 av 455 avhandlingar innehållade ordet railway.

1. 11. Quality on single-track railway lines with passenger traffic : Anlytical model for evaluation of crossing stations and partial double-tracks

   Författare :Olov Lindfeldt; Bo-Lennart Nelldal; Lars-Göran Mattsson; Nils Olsson; KTH; []
   Nyckelord :Railway operation; Railway capacity; single-track; crossing station; partial double-track; TECHNOLOGY; TEKNIKVETENSKAP;

   Sammanfattning : Railway transportation is showing a substantial increase. Investments in new infrastructure, new fast and comfortable vehicles, and high frequency of service are important factors behind the increase.Infrastructure configuration and timetable construction play important roles in the competitiveness of railway transportation. LÄS MER

3. 12. Electromagnetic noise generated in the electrified railway propulsion system

   Författare :Kelin Jia; Rajeev Thottappillil; Hans Bängtsson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electromagnetic compatibility; railway; propulsion system; shielded cable; transmission line; Electrical engineering; Elektroteknik; Telecommunication; Telekommunikation; SRA - Transport; SRA - Transport;

   Sammanfattning : The electromagnetic compatibility (EMC) problem in the railway propulsion system is a significant safety issue of high concern. The problems can be caused by any part of the propulsion system as well as any combination of the sub systems. Simulation is a fast economical way to understand the system and to predict the EMC performance. LÄS MER

4. 13. En skandinavisk järnvägskontraktörs karriär i Indien 1860–1867 : ackumulering av socialt och kulturellt kapital som framgångsstrategi i en kolonial kontext

   Författare :Ingemar Gunnarsson; Gunlög Fur; Malin Lennartsson; Niels Brimnes; Linnéuniversitetet; []
   Nyckelord :HUMANIORA; HUMANITIES; railway construction; British India; colonialism; cultural capital; railway contractors; social capital; social networks; subcontractors; Historia; History;

   Sammanfattning : This study is about Joseph Samuel Frithiof Stephens (1841–1934) and how he as a Scandinavian contractor acquired an economic fortune in the colonial India. The fortune was used for the acquisition of the mill property Huseby Bruk in Småland and also contributed to the Stephens family's strategy of advancing in the then Danish bourgeois class establishment. LÄS MER

5. 14. Rum, rytm och resande : Genusperspektiv på järnvägsstationer

   Författare :Ann-Charlotte Gilboa Runnvik; Tora Friberg; Bodil Axelsson; Carina Listerborn; Katja Tollmar Grillner; Linköpings universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; Mobility; commuters; railway stations; accessibility; gender; body; space; place; affect; rhythm; participant observations; auto-ethnography; interviews; Mobilitet; pendlare; järnvägsstationer; tillgänglighet; genus; kropp; rum; plats; affekt; rytm; deltagande observation; autoetnografi; intervjuer;

   Sammanfattning : Järnvägsstationer är att betrakta som offentliga platser och regleras av transportpolitiska målsättningar om jämställdhet och tillgänglighet för alla (Prop. 2008/09:93). Trots det saknas forskning om hur genus påverkar resenärer vid deras vardagliga vistelser på järnvägsstationer. LÄS MER

7. 15. Towards an efficient use of infrastructure and the built environment : Essays in transport and housing economics

   Författare :Lina Jonsson; Fastighetsvetenskap; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Hedonic pricing; Noise; Railway traffic; Road traffic; Congestion pricing; Acceptability; Road user charging; Political Economy; Railway; Marginal cost; Accident probability; Level crossings; Housing Economics; Property tax;

   Sammanfattning : All four papers in the thesis share a common theme: how to achieve an efficient use of infrastructure and the built environment. In the presence of externalities, pricing according to the (short-run) marginal cost is one answer on how this can be achieved and the first two papers estimates parts of the marginal cost of traffic. LÄS MER