Search for dissertations about: "Ragna Elger"

Found 2 swedish dissertations containing the words Ragna Elger.

  2. 1. High temperature corrosion in biomass-fired energy applications : Alloying effects and test environment comparisons

    Author : Ragna Elger; Rachel Pettersson; Inger Odnevall Wallinder; Rikard Norling; Gordon Tatlock; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; High temperature corrosion; biomass; waste; superheater corrosion; austenitic steel; biomass gasification; alumina-forming austenitic stainless steel; thermodynamic modelling; kinetic modelling; Kemi; Chemistry;

    Abstract : To reduce the greenhouse effect, the use of renewable fuel has to be increased. As renewable fuel has different characteristics compared to fossil fuel regarding content of trace metals, alkali, chlorine and sulphur, the corrosion characteristics in high temperature energy processes have to be evaluated. READ MORE

  4. 2. On the behaviour of the lithium ion battery in the HEV application

    Author : Ragna Elger; KTH; []
    Keywords : lithium ion battery; hybrid electric vehicle;

    Abstract : The lithium ion battery is today mainly used in cell phonesand laptops. In the future, this kind of battery might beuseful in hybrid electric vehicles as well. READ MORE