Essays about: "järnvägar"

Showing result 1 - 5 of 33 essays containing the word järnvägar.

  1. 1. Vehicle dynamics modelling of electromagnetic suspensions for MAGLEV applications

    University essay from KTH/Väg- och spårfordon samt konceptuell fordonsdesign

    Author : Léa Chatelais; [2024]
    Keywords : MAGLEV; Dynamics; Requirements; Suspension; Vehicle modeling; MATLAB; MAGLEV; Dynamisk; Fordran; Upphängning; Fordon modell; MATLAB;

    Abstract : MAGnetic LEVitation Guidance System (MAGLEV) technology was commercially introduced relatively recently in the guided transport field. It is based on removing the wheels and rails of classic railway systems and supporting and guiding the train with magnets and magnetic forces instead. READ MORE

  2. 2. Opportunities with Modular Systems in Level Crossings : A Case Study in the Swedish Railway Industry

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Marcus Ankaräng; [2023]
    Keywords : level crossing; railway; modular system; systems engineering; systems development; plankorsning; järnväg; modulsystem; systemteknik; systemutveckling;

    Abstract : Level crossings are a dangerous part of railways, causing several deaths every year. While the safest solution is to remove crossings altogether using bridges or tunnels, this is complicated and cannot be done on a large scale. Many level crossings will therefore continue to exist. READ MORE

  3. 3. Diversifying a Real Estate Portfolio Through Infrastructure Investment : An Interview Study of Opportunities and Challenges in the Nordics

    University essay from KTH/Fastighetsföretagande och finansiella system

    Author : Carl Jussi-Pekka; Pontus Grundström; [2023]
    Keywords : Real Assets; Infrastructure Investments; Nordic Infrastructure; Barriers; Opportunities; Real Estate; Reala tillgångar; Infrastrukturinvesteringar; Nordisk Infrastruktur; Barriärer; Möjligheter; Fastigheter;

    Abstract : Since the financial crisis infrastructure has become an increasingly attractive asset class for investors, especially among financial institutions, who recognize the value of diversification opportunities within infrastructure. In parallel with the emergence of infrastructure as an investable asset class, the global financial turbulence has generated even greater incentives for investors to diversify their portfolios with infrastructure, as the asset class exhibits characteristics to navigate in a more challenging economic environment. READ MORE

  4. 4. The Deregulation of the Swedish Railway - On Track or Derailed?

    University essay from Lunds universitet/Nationalekonomiska institutionen

    Author : Axel Reimers; [2023]
    Keywords : Deregulation; Swedish railway; Structure-Conduct-Performance approach; Strategic interaction; Entry barriers; Business and Economics;

    Abstract : Since 2010, the Swedish railway has been open to competition for passenger train traffic. Despite extensive deregulations, the state-owned enterprise and previous monopoly Statens Järnvägar has managed to retain its previous position as the reigning actor of the Swedish railway. READ MORE

  5. 5. Energy Usage in Railway Wayside Object Heating : Modeling of melting of Ice, Estimation of heating power requirement in Switch and Renewable energy feasibility for a Railway system

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Sidharth Kapoor; [2022]
    Keywords : Melting of Ice; Numerical modeling; Transient conjugate heat transfer; Transient analysis; CFD; Switch heating; Heat pumps in Railways; Issmältning; Numerisk modellering; Transient värmeöverföring; Transientanalys; CFD; Värmepumpar i järnvägar;

    Abstract : Trafikverket operates about 12000 Switches and crossings (SnCs) of which 6800 are equipped with an electrical heating system of 10−30kW power to keep SnCs functional throughout the winters by keeping them free of Snow/Ice. The energy consumption is approximately 200−130GWh/year costing approximately 10−15 million Euros annually. READ MORE