Sökning: "Transport theory"

Visar resultat 1 - 5 av 449 avhandlingar innehållade orden Transport theory.

  1. 1. Collisional transport in edge transport barriers and stellarators

    Författare :Stefan Buller; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fusion; tokamak; plasma physics; stellarator; impurity transport; collisional transport; transport; pedestal;

    Sammanfattning : Nuclear fusion has the potential to generate abundant and clean energy. In magnetic confinement fusion, the temperatures needed to achieve fusion are obtained by confining a hot plasma with magnetic fields. LÄS MER

  3. 2. Den gemensamma transportpolitiken : Elimineringen av hinder för de gränsöverskridande vägtransporterna inom den Europeiska Gemenskaperna 1958-1992

    Författare :Juan Bergdahl; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economic history; European Community; Common Transport Policy; road transport; infrastructure; institutional theory; Ekonomisk historia; Economic history; Ekonomisk historia; Ekonomisk historia; Economic History;

    Sammanfattning : This dissertation analyses the European Community's political efforts to eliminate barriers to Community road transport between and within the member states. In this context, the study concentrates on the Community's activities to remove barriers to market access, such as limitations to the freedom to provide transport services, and pshysical barriers such as infrastructure capacity restrictions, checks and inspections at Community internal borders. LÄS MER

  4. 3. Satisfaction with Public Transport Trips

    Författare :Roberto Fernandez Abenoza; Yusak Octavius Susilo; Oded Cats; Sigal Kaplan; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; customer satisfaction; public transport; three-factor theory; accessibility; built-environment; weather; door-to-door trips; firs and last-mile; market segmentation; geographical variations; service quality; safety perceptions; temporal variations; Transportvetenskap; Transport Science;

    Sammanfattning : Continuous urban growth, environmental issues, competition for limited space, longer commuting distances as well as the need to promote equity and equality in society are the primary reasons that make the improvement of public transport (PT) services a key policy area in many countries across the globe. Travel satisfaction measures the perceived quality of the PT service and it is an important aspect that operators and PT authorities need to consider when improving the service offered. LÄS MER

  5. 4. Electronic Transport in Strained Materials

    Författare :Thomas Dziekan; Susanne Mirbt; Olle Eriksson; Per Hyldgaard; Uppsala universitet; []
    Nyckelord :Physics; Conductivity; Strain; Transport; Boltzmann theory; Transition metal; Hydrogen loading; Electronic structure; Density functional theory; Bulk material; Multilayer; Fysik;

    Sammanfattning : In this thesis the conductivity of strained materials has been investigated using density functional theory and a semiclassical transport theory based on the Boltzmann equation.In transition metals trends are reproduced without adjustable parameters. LÄS MER

  7. 5. Theory of electron transport in superconducting heterostructures

    Författare :Magnus Hurd; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; high-Tc; superconducting junctions; transport processes; heterostructures; BCS theory; Ginzburg-Landau theory; superconductors; Josephson effect; critical currents; grain boundaries; superconductivity;

    Sammanfattning : .... LÄS MER