Sökning: "Teknisk omvandling"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden Teknisk omvandling.

  1. 1. Förändringsstress vid teknisk och organisatorisk omvandling : en studie av arbetsledare inom verkstadsindustrin

    Författare :Pär Pettersson; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Arbetsrelaterad stress; Verkstadsindustri; Organisationsförändringar; Sjukfrånvaro; Stress; Arbetsledare;

    Sammanfattning : .... LÄS MER

  3. 2. Older immigrants in need of care in times of digitalization : The case of filial piety in transition among Chinese families in Sweden

    Författare :Xin Chen; Britt Östlund; Susanne Frennert; Magdalena Kania-Lundholm; KTH; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Acculturation; Chinese; cultural norms; digitalization; eldercare; filial piety; older immigrants; welfare state; ackulturation; kina; kulturella normer; digitalisering; äldreomsorg; plikt; filial piety; äldre invandrare; välfärdsstat; Technology and Health; Teknik och hälsa;

    Sammanfattning : Globalization has facilitated international communication and economic activities that motivate more international migration. Different cultures and values from the West and the East are interwoven in the same social context. LÄS MER

  4. 3. Nanostructured Bulk Thermoelectrics : Scalable Fabrication Routes, Processing and Evaluation

    Författare :Mohsen Yakhshi Tafti; Muhammet S. Toprak; Gao Min; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Thermoelectric; Iron antimonide FeSb2 Skutterudite; Copper Selenide Cu2Se ; Spark Plasma Sintering SPS ; nanomaterial; Teknisk materialvetenskap; Materials Science and Engineering; Energy Technology; Energiteknik;

    Sammanfattning : Current fossil fuel based energy sources have a huge shortcoming when one discusses their efficiency. The conversion efficiency of fossil fuel-based technologies is less than 40% in best cases. LÄS MER

  5. 4. Conversion of Biomass to Renewable Liquid Feedstocks in Pyrolysis-based Applications

    Författare :Henry Persson; Weihong Yang; Louise Olsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pyrolysis; Biomass; Pre-treatment; Stepwise Pyrolysis; Catalytic Pyrolysis; Pyrolys; Biomassa; Förbehandling; Stegvis Pyrolys; Katalytisk Pyrolys; Teknisk materialvetenskap; Materials Science and Engineering;

    Sammanfattning : The production of chemicals and fuels currently rely on fossil resources which are associated with global warming as well as economic and political instabilities. The demand for renewable alternatives is increasing as legislations on greenhouse gas emissions are becoming more stringent. LÄS MER

  7. 5. Flow and heat transfer in a turbocharger radial turbine

    Författare :Shyang Maw Lim; Mihai Mihaescu; Anders Dahlkild; Christophe Duwig; Laszlo Fuchs; Niklas Andersson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; pulsatile exhaust flow; efficient radial turbine; turbocharger performance; Detached Eddy Simulation; level of integration with the Internal Combustion Engine; heat transfer effect; pulserande avgasflöde; effektiv radialturbin; turboaggregatprestanda; Detached Eddy Simulation; integrationsnivå med förbränningsmotorn; värmeöverföringseffekt; Engineering Mechanics; Teknisk mekanik;

    Sammanfattning : In the past decades, stricter legislation has been imposed to improve fuel economy and to reduce tail-end emissions of automotive vehicles worldwide. One of the important and effective technologies adopted by the automobile manufacturers to fulfill legislation requirements is the turbocharger technology. LÄS MER