Sökning: "Collector model"

Visar resultat 16 - 20 av 52 avhandlingar innehållade orden Collector model.

  1. 16. Optical Characterization of Solar Collectors form Outdoor Measurements

    Författare :Anna Helgesson; Avdelningen för Energi och byggnadsdesign; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Due to high installation costs and relatively low output, the active use of solar energy is limited. The output from a collector can be improved e.g. by using a selective absorber, AR-treated cover glass or transparent insulation. LÄS MER

  3. 17. Optical design of stationary solar concentrators for high latitudes

    Författare :Mats Rönnelid; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Materialvetenskap; Materials science; Teknisk materialvetenskap; Solid State Physics; fasta tillståndets fysik;

    Sammanfattning : The optical design of stationary solar concentrators for high latitudes has beenstudied. Irradiation distribution diagrams, which are tools for the design ofstationary linear concentrators, have been developed. LÄS MER

  4. 18. Bipolar Transistor Parameter Extraction, Modeling and Test Structure Design

    Författare :Fredrik Ingvarson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : In this thesis, techniques are presented for determining the model parameter values required by compact bipolar transistor models in circuit simulators. Specifically, extraction of the Early voltages and the transistor series resistances are treated in detail. Extraction of other compact model parameters is also covered. LÄS MER

  5. 19. Garbage collecting reactive real-time systems

    Författare :Martin Kero; Luleå tekniska universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Dependable Communication and Computation Systems; Kommunikations- och beräkningssystem;

    Sammanfattning : As real-time systems become more complex, the need for more sophisticated runtime kernel features arises. One such feature that substantially lessens the burden of the programmer is automatic memory management, or garbage collection. However, incorporating garbage collection in a real-time kernel is not an easy task. LÄS MER

  7. 20. Den vetenskapliga underrättelseoperationen - Om inhämtning och genus

    Författare :Tobbe Petterson; Research Policy Institute (RPI); []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; gender; collection; intelligence; Swedish Armed Forces; Afghanistan;

    Sammanfattning : In this thesis tactical intelligence collection is studied. The aim is to investigate how the intelligence collection is affected by using a gender perspective. In the study interviews with experienced collectors are made and the data is analyzed using content analysis. LÄS MER