Sökning: "Mats Sjöberg"

Visar resultat 1 - 5 av 16 avhandlingar innehållade orden Mats Sjöberg.

  1. 1. Active insulation : possibilities of utilizing free charges in air

    Författare :Mats Sjöberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; capacitively coupled discharge; charge accumulation; breakdown mechanism; dielectric covered structures; electric field homogenization; active insulation; dynamic charging; microdischarge; dielectric barrier discharge; dielectric breakdown strength; electric field reduction; space charge; air gaps; surface charge;

    Sammanfattning : .... LÄS MER

  3. 2. Att säkra framtidens skördar : Barndom, skola och arbete i agrar miljö : Bolstad pastorat 1860-1930

    Författare :Mats Sjöberg; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; History of Childhood; History of Education; Rural Child Labour; Family Strategies; Compulsory Schooling; INTERDISCIPLINARY RESEARCH AREAS; TVÄRVETENSKAPLIGA FORSKNINGSOMRÅDEN;

    Sammanfattning : This study deals with the interpretation and explanation of organized resistance to prolonged compulsory schooling in agrarian settings in Sweden at the end of the nineteenth and the beginning of the twentieth century. The area of investigation is the four parishes of Bolstad in Western Sweden. LÄS MER

  4. 3. Charge Accumulation in Hybrid High Voltage Insulation

    Författare :Mats Sjöberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; dielectric barrier; charge accumulation; high voltage; dielectric barrier discharge; dielectric coating; hybrid insulation; electric field distribution; discharge modelling; breakdown strength; charge conditioning;

    Sammanfattning : This thesis deals with the novel idea of controlling the electric stress or field distribution in a hybrid air - solid-dielectric high voltage insulation by promoting accumulation of surface charges on the internal interfacial layers in the combined (hybrid) dielectric structure. Primarily, applications are expected to be found in high voltage dc systems and as a method to improve the resistance against insulation failure by overvoltages, e. LÄS MER

  5. 4. Handling of high power laser radiation

    Författare :Mats Sjöberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fiber delivery system; laser material processing; power transmission; SBS; Stimulated Brillouin Scattering; optical breakdown; multi mode fiber; laser induced plasma; optical fuse; Nd:YAG;

    Sammanfattning : .... LÄS MER

  7. 5. Massans röst : Upplopp och gatubråk i Stockholm 1719–1848

    Författare :Mats Berglund; Lars Nilsson; Maria Sjöberg; Börje Harnesk; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; riots; street violence; pre-industrial era; stagnation; Stockholm; political culture; democratisation; urban history; newspapers; Södermalm Riot; Ebel tumult; killing of Axel von Fersen; Crusenstolpe Riots; March Revolt; History; Historia; History; historia;

    Sammanfattning : The thesis examines riots and street violence in Stockholm between 1719 and 1848. By studying open conflicts, the thesis explores changes in societal power structures which otherwise are hidden. LÄS MER