Search for dissertations about: "boilers"

Showing result 1 - 5 of 148 swedish dissertations containing the word boilers.

  2. 1. Fluid dynamics of circulating fluidized-bed boilers

    Author : Andreas Johansson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; bottom bed; CFB boilers; wall-layer; fluid dynamics; large-scale circulating fluidized bed; loop seal;

    Abstract : .... READ MORE

  4. 2. On the Design of Residential Condensing Gas Boilers

    Author : Mikael Näslund; Energihushållning; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy research; flue systems; modelling; efficiency; condensing boilers; space heating; natural gas; Energiforskning;

    Abstract : Two main topics are dealt with in this thesis. Firstly, the performance of condensing boilers with finned tube heat exchangers and premix burners is evaluated. Secondly, ways of avoiding condensate formation in the flue system are evaluated. READ MORE

  5. 3. Catalytic Oxidation of Emissions from Residential Wood fired boilers

    Author : Magnus Berg; KTH; []
    Keywords : biomass; wood; combustion; residential boilers; applied catalysis; catalytic oxidation; VOC; carbon monoxide;

    Abstract : The European Commission has set a target of doubling theenergy supply from renewable sources from 6% in 1997 to 12% in2010. An increased usage of biofuels will play an importantrole in meeting this target. READ MORE

  6. 4. Fouling in biomass fired boilers

    Author : Jan Sandberg; Rebei Bel Fdhila; Erik Dahlqvist; Anders Nordin; Mälardalens högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; fouling; deposit; boiler; biomass; simulations; Thermal energy engineering; Termisk energiteknik; Energy- and Environmental Engineering; energi- och miljöteknik;

    Abstract : In order to reduce the discharge of the greenhouse gas CO2, the use of biomass is nowadays promoted as fuel in boilers. Compared to boilers fired with coal and oil the biomass-fired boilers have more complications related to both fouling and corrosion on the heat transfer surfaces. READ MORE

  7. 5. Fouling in biomass fired boilers

    Author : Jan Sandberg; Rebei Fdhila; Erik Dahlqvist; Alain Liné; Mälardalens högskola; []
    Keywords : Energy- and Environmental Engineering; energi- och miljöteknik;

    Abstract : This thesis describes a detailed investigation into fouling in biomass fired boilers according to fuel mixture, combustion conditions, transportation of particles by the flue gas and the probability of particles impinging and sticking onto heat transfer tubes. The effects of fouling on overall boiler performance and the efficacy of soot blowing are also investigated. READ MORE