Sökning: "Stefan Johansson"

Visar resultat 1 - 5 av 70 avhandlingar innehållade orden Stefan Johansson.

  1. 1. Acoustic Manipulation of Particles and Fluids in Microfluidic Systems

    Författare :Linda Johansson; Stefan Johansson; Martin Wiklund; Uppsala universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Acoustics; Akustik; Teknisk fysik med inriktning mot mikrosystemteknik; Engineering Science with specialization in Microsystems Technology;

    Sammanfattning : The downscaling and integration of biomedical analyses onto a single chip offers several advantages in speed, cost, parallelism and de-centralization. Acoustic radiation forces are attractive to use in these applications since they are strong, long-range and gentle. LÄS MER

  3. 2. Turbulence modeling of compressible flows with large density variation

    Författare :Igor Grigoriev; Arne Johansson; Stefan Wallin; Geert Brethouwer; Stefan Hickel; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Turbulence; DRSM; EARSM; active scalar; compressible flow; reacting flow; supercritical flow; Engineering Mechanics; Teknisk mekanik;

    Sammanfattning : In this study we highlight the influence of mean dilatation and mean density gradient on the Reynolds stress modeling of compressible, heat-releasing and supercritical turbulent flows.Firstly, the modeling of the rapid pressure-strain correlation has been extended to self-consistently account for the influence of mean dilatation. LÄS MER

  4. 3. Experiments and Modelling of Composite–Aluminium Bolted Joints

    Författare :Hannes Wemming; Zlatan Kapidžić; Stefan B Lindström; Lars Johansson; Stefan Hallström; Linköpings universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The aeronautical industry has always strived towards weight-efficient structures since they improve aircraft performance, enable more fuel or payload, reduce cost of manufacturing and operating the aircraft, and reduce the fuel consumption and emissions. Modern airframes are often built in materials with high strength-toweight and stiffness-to-weight ratio, such as aluminium or fibre composites. LÄS MER

  5. 4. The Use of the Continuity Factor as a Tool to Represent Representative Elementary Volume in Rock Engineering Design

    Författare :Pin Zhou; Stefan Larsson; Johansson Johansson; Arild Palmström; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; rock mass; scale effect; representative elementary volume; continuity factor; Byggvetenskap; Civil and Architectural Engineering;

    Sammanfattning : .... LÄS MER

  7. 5. En omskriven historia : Svensk historisk roman och novell före 1867 : the Swedish historical novel and short story before 1867

    Författare :Stefan Johansson; Uppsala universitet; []
    Nyckelord :HUMANITIES; HUMANIORA; HUMANIORA; HUMANITIES; History; Historical novels; historiography; Swedish history; nineteenth century; nation-building; middle class; identity; Historia; History subjects; Historieämnen; Historia; History;

    Sammanfattning : The historical novel was a new genre in Sweden during the 1820's. It had emerged as a popular literary form in Europe with the writings of Walter Scott, whose Waverley, or t'is sixty years since (1814) is widely regarded as the first historical novel. LÄS MER