Sökning: "Göran Olofsson"

Visar resultat 1 - 5 av 20 avhandlingar innehållade orden Göran Olofsson.

  1. 1. Extinction in Molecular Clouds : Case of Barnard 335

    Författare :Sven Olofsson; Göran Olofsson; Kalevi Mattila; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ISM; interstellar medium; extinction; molecular cloud; Astronomy; astronomi; Astronomy; astronomi;

    Sammanfattning : The Bok globule B335 is a small molecular cloud in the solar neighbourhood near the galactic plane. The aim for this three-paper-study is to construct and analyze the extinction for this globule. The method we apply is to use the light from field stars behind the cloud in broadband filters ranging from UV to the mid-infrared. LÄS MER

  3. 2. A Study of Biomass Combustion Problems and the Selective Catalytic Oxidation of Ammonia

    Författare :Göran Olofsson; Kemiska institutionen; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical technology and engineering; Kemiteknik och kemisk teknologi; Energy research; Reaction mechanism; Ammonia degradation; Pt CuO Al2O3 Catalysts; SCO; Selective Catalytic Oxidation; Catalytic hot gas cleaning; Bed agglomeration; NOx emissions; Fluidised bed; Biomass combustion; Biogas; Energiforskning;

    Sammanfattning : Increasing awareness of the need of reducing CO2, NOx and SOx emissions from combustion systems has led to a strong interest in biomass as a fuel source. Using it in combination with fluidised bed combustion technology can lead to a lowering of NOx emissions to the atmosphere. LÄS MER

  4. 3. Per aspera ad astra : en sammanfattning av arbeten rörande, känsligheten för kyld fotodiod, simultanobservationer av Ru Lup, Be-stjärnors energifördelning, infrarödfotometri

    Författare :Göran Olofsson; Stockholms universitet; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  5. 4. Optimal Operation of the Swedish Railway Electrical system : An Application of Optimal power Flow

    Författare :Magnus Olofsson; Göran Andersson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Railway Electrical System; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : .... LÄS MER

  7. 5. Power Flow Analysis of the Swedish Railway Electrical System

    Författare :Magnus Olofsson; Göran Andersson; Elkraftteknik KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : This thesis deals with analysis of the steady state power flow in the Swedish railway electrical system. Finding the steady state of the system means that all voltages and power flows in the system are known. The trains are supplied from the public grid using frequency converters. LÄS MER