Sökning: "Sundsvall"

Visar resultat 16 - 20 av 44 avhandlingar innehållade ordet Sundsvall.

  1. 16. Sustainable snow handling

    Författare :Karin Reinosdotter; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Sammanfattning : Urban snow contains pollution that originates from sources such as atmospheric precipitation, traffic emission, and de-icing chemicals. These pollutants accumulate in the snow during the winter and are released when the snow starts to melt. LÄS MER

  3. 17. Seasonal snow storage for cooling applications

    Författare :Kjell Skogsberg; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vattenteknik; Water Resources Engineering;

    Sammanfattning : Seasonal snow storage for cooling applications is an ancient technique now being revived in different parts of the world. From June 2000 the first Swedish large-scale snow cooling plant provides for comfort cooling at the hospital in Sundsvall. The snow is thermally insulated by a 0. LÄS MER

  4. 18. Seasonal snow storage for space and process cooling

    Författare :Kjell Skogsberg; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vattenteknik; Water Resources Engineering;

    Sammanfattning : The world’s cooling demand has increased considerably during the last decades due to increased population, industrialisation, comfort demands, electronic equipment usage and new building technologies. Conventional cooling is often produced by electrically driven devices. LÄS MER

  5. 19. Constraints of Digital Transformation

    Författare :Jwan Khisro; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; digital transformation; constraints; public sector; organiza- tional ambidexterity; mechanisms;

    Sammanfattning : Digital transformation is viewed as instrumental in coping with organizational and societal challenges. In the public sector, these challenges include diverse issues, such as demographic changes, constrained financial resources, increasing complexity, and digital legacy. LÄS MER

  7. 20. Local or central snow deposits?

    Författare :Karin Reinosdotter; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Sammanfattning : Snow handling includes activities such as removing, transporting and dumping the snow, as well as controlling the slipperiness. It is a complex issue that has been widely discussed in the media during the past years. The discussions have been focused mainly on snow deposits and the effect created by de icers. LÄS MER