Sökning: "VOD"

Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet VOD.

  1. 1. A Numerical Investigation on VOD Nozzle Jets

    Författare :Zhili Song; Pär Jönsson; Ola Widlund; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VOD; nozzle; jet; vaccum; CFD;

    Sammanfattning : The metallurgic process, Vacuum Oxygen Decarburization (VOD) process, is used for producing stainless steels with ultra-low carbon grades. In a VOD process, an oxygen lance is equipped with a De Laval nozzle which injects high speed oxygen gas. LÄS MER

  3. 2. Modeling of Gas Flows in Steelmaking Decarburization Processes

    Författare :Zhili Jack Song; Pär Jönsson; Seppo Louhenkilpi; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VOD; nozzle; jet; vacuum; BOF; LD; AOD; post combustion; flue; CFD;

    Sammanfattning : The purpose of the current study is to increase the understanding of different steelmaking processes at the decarburization stages by use of mathematical modeling. More specifically, two De-Laval nozzles from a VOD (Vaccum Oxygen Decarburization) process, which is used for producing stainless steels with ultra-low carbon grades, was investigated for different vessel pressures. LÄS MER

  4. 3. From Noise to Zapping : Quality of Service Issues Affecting Internet TV Distribution

    Författare :Jens A Andersson; Institutionen för elektro- och informationsteknik; []
    Nyckelord :;

    Sammanfattning : The Internet and the development and deployment of new access networktechnologieshas opened up for new information and communication applications.The mobile or cellular networks have evolved from a facility for voice call totoday's IP only network. LÄS MER

  5. 4. Risk-factors, prevention and treatment of early complications after allogeneic haematopoietic stem cell transplantation

    Författare :Hans Hägglund; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : The aims of this thesis were to define risk factors for early complications after allogeneic haematopoietic stem cell transplantation (HSCT), such as bacteraemia during the aplastic phase, veno-occlusive disease in the liver (VOD) and acute graft-versus-host disease (GVHD). Furthermore, we wanted to evaluate new methods - e.g. LÄS MER

  7. 5. Cytokine production in allogeneic haematopoietic stem-cell transplantation patients

    Författare :Mats Remberger; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Severe immunological complications may occur after haematopoietic stem-cell transplantation (HSCT). These include acute graft-versus-host disease (GVHD), veno-occlusive disease of the liver (VOD) and severe infections. LÄS MER