Sökning: "fusion power"

Visar resultat 11 - 15 av 105 avhandlingar innehållade orden fusion power.

  1. 11. Stability and Statistical Analysis of Transient Waves in Fusion Plasmas

    Författare :Gergö Pokol; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; short-time Fourier transform; transient MHD mode; wavelet transform; quasi-linear diffusion; runaway electron; transient transport; stellarator; tokamak disruption; fusion plasma physics; whistler wave;

    Sammanfattning : Thermonuclear energy generation in magnetically confined plasmas offers an appealing energy source for coming generations. Some of the still unsolved problems in fusion plasma physics involve plasma transport and stability of plasma waves. Two such problems are addressed in the present thesis. LÄS MER

  3. 12. Material characterization for magnetically confined fusion : Surface analysis and method development

    Författare :Petter Ström; Marek Rubel; Per Petersson; Thierry Loarer; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : The dream of abundant clean energy has brought scientists and laypeople alike to ponder the possibilities of nuclear fusion since it was established as the energy source of the stars in 1939. Starting from the mid-twentieth century, significant effort has been put into overcoming the technological challenges related to the construction of a power plant, but initial optimism has faded somewhat due to a notable absence of practical outcomes. LÄS MER

  4. 13. Simulation and assessment of particle transport in fusion plasmas

    Författare :Emil Fransson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Fusion -- Plasma physics -- Turbulent transport --Gyrofluid --Gyrokinetic;

    Sammanfattning : A civilized society need energy to function. An attractive new energy source is nuclear fusion with its abundance of fuel, intrinsic safety and limited environmental impact. Although the concept of fusion for energy has been well understood for over a century, to create it here on earth has been more irksome. LÄS MER

  5. 14. Plasma properties in high power impulse magnetron sputtering

    Författare :Daniel Lundin; Ulf Helmersson; Jon Tomas Gudmundsson; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; HiPIMS; HPPMS; plasma; plasma transport; plasma instabilities; Plasma physics; Plasmafysik;

    Sammanfattning : The work presented in this thesis involves experimental and theoretical studies related to plasma properties in high power impulse magnetron sputtering (HiPIMS), and more specifically plasma transport. HiPIMS is an ionized PVD method based on conventional direct current magnetron sputtering (dcMS). LÄS MER

  7. 15. Relations in Models of Calculi and Logics with Names

    Författare :Kidane Yemane; Björn Victor; John Power; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Process Calculi; Syntax; Semantics; HD-automata; Logic; Category theory; Computer engineering; Datorteknik;

    Sammanfattning : In this thesis we investigate two operational models of name-passing calculi: one based on coalgebra, and one based on enriched automata. We develop a semantic framework for modelling the open bisimulation in π-calculus, hyperbisimulation in Fusion calculus, and the first semantic interpretation of FOλ(nabla) logic. LÄS MER