Sökning: "mixing"

Visar resultat 1 - 5 av 722 avhandlingar innehållade ordet mixing.

  1. 1. Mixing Processes for Ground Improvement by Deep Mixing

    Detta är en avhandling från Stockholm : Byggvetenskap

    Författare :Stefan Larsson; KTH.; [2003]
    Nyckelord :Deep Mixing; Lime cement columns; Mixing mechanisms; Mixture quality; Field test; ANOVA; Variance reduction.;

    Sammanfattning : The thesis is dealing with mixing processes havingapplication to ground improvement by deep mixing. The mainobjectives of the thesis is to make a contribution to knowledgeof the basic mechanisms in mixing binding agents into soil andimprove the knowledge concerning factors that influence theuniformity of stabilised soil. LÄS MER

  2. 2. Mixing patterns in Rushton-turbine-agitated reactors

    Detta är en avhandling från Kemicentrum, Avd. f. Livsmedelsteknik PO Box 124, SE-221 00 Lund (Sverige/Sweden)

    Författare :Fabrice Guillard; Lunds universitet.; Lund University.; [1999]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Food and drink technology; coherent mixing structure; geometrical analysis; dynamic structural analysis; conditional sampling; laser-induced fluorescence; mixing; stirred tank; Livsmedelsteknik;

    Sammanfattning : This Ph.D. Thesis concerns the study of mixing in Rushton turbine agitated reactors. In industrial (bio)reactors, mixing is recognised as a limiting factor that significantly affects the performance of the process. LÄS MER

  3. 3. Computational Characterization of Mixing in Flows

    Detta är en avhandling från Göteborg : Chalmers University of Technology

    Författare :Erik D. Svensson; Göteborgs universitet.; Gothenburg University.; [2006]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; mixing; hyperbolicity; shadowing; finite elements; flow simulation; a priori error estimates; Stokes equations; point location; multigrid; refinements;

    Sammanfattning : The major theme of this thesis is mathematical aspects of fluid mixing in the case when diffusion is negligible, which is commonly refered to as mixing by stirring or mixing by chaotic advection in the engineeringliterature. In this case the mixing is driven by a velocity field and is characterized by the flow generated by the velocity field. LÄS MER

  4. 4. Flow and Mixing of Pulp Suspensions

    Detta är en avhandling från Göteborg : Chalmers University of Technology

    Författare :Johan Pettersson; [2004]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; flow behaviour; boundary-layer; Medium Consistency MC ; mixing; yield stress; suspension; pulp; Laser Doppler Anemometry LDA ; turbulence; fibre;

    Sammanfattning : When producing pulp and paper, pulp suspensions are treated in a number of unit operations at medium consistency (MC) concentrations (3-15% by weight). Pulp suspensions at these concentrations behave as solids at low shear rates, but at sufficiently high shear rates they start to flow and can even be made to act as water. LÄS MER

  5. 5. Random walk in random environment and mixing

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Stefan Svanberg; Uppsala universitet.; [1997]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Random walk in random environment; law of large numbers; centrallimit theorem; weak invariance principle; law of the iterated logarithm; Markovchain; first passage time; mixing; stationary sequence; MATEMATIK; MATHEMATICS; MATEMATIK; matematisk statistik; Mathematical Statistics;

    Sammanfattning : A random walk in a random environment is obtained by first choosing an environment according to some probability measure (the random environment).Once the environment is chosen, a random walk is performed in that particularenvironment. LÄS MER