Sökning: "generator gas"

Visar resultat 11 - 15 av 39 avhandlingar innehållade orden generator gas.

  1. 11. Inductive Pulse Generation

    Författare :Adam Lindblom; Hans Bernhoff; Jan Isberg; Anders Larsson; Owen Farish; Uppsala universitet; []
    Nyckelord :Technology; Pulsed Power; Inductive Pulse Generator; High Voltage; Semicon; XLPE; TEKNIKVETENSKAP; TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : Pulsed power generators are a key component in compact systems for generation of high-power microwaves (HPM). HPM generation by virtual cathode devices such as Vircators put high demands on the source. The rise time and the pulse length of the source voltage are two key issues in the generation of HPM radiation. LÄS MER

  3. 12. Operational stability of lean premixed combustion in gas turbines : an experimental study on gaseous alternative fuels

    Författare :Parisa Sayad; Kraftverksteknik; []
    Nyckelord :Premixed Combustion; Syngas; Swirl Stabilized; Chemical Kinetics; Flashback; Lean Blowout; Autoignition; OH*-chemiluminescence;

    Sammanfattning : World electricity consumption is drastically increasing. One of the most common ways of producing electricity is to use the chemical energy of fossil fuels. This can be done in thermal power plants in which the chemical energy of fossil fuels such as natural gas is converted to mechanical energy and finally to electricity. LÄS MER

  4. 13. Development of flue gas treatment for small-scale boilers with a focus on particulate matters purification

    Författare :Tayebeh Darbandi; Mikael Risberg; Anna-Lena Ljung; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energiteknik; Energy Engineering;

    Sammanfattning : Small-scale boilers significantly contribute to particle matter (PM) emissions, which adversely affect health and global warming. According to World Health Organization, particulate matter was ranked as the fifth significant parameter in premature death in 2015. LÄS MER

  5. 14. Multiscale Simulation Methods for Thermoelectric Generators

    Författare :Olle Högblom; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Exhaust gas heat recovery; subgrid modelling; CFD; Thermoelectrics; Contact resistances;

    Sammanfattning : Rising energy prices and greater environmental awareness, along with stringent emissions legislation, in the automotive industry make it possible to introduce techniques in the aftertreatment system that have previously been unprofitable. One such technique, studied here, is heat recovery from exhaust gases using thermoelectric generators. LÄS MER

  7. 15. Machinability variations in Alloy 718 —With focus on machining of turbine components

    Författare :Pajazit Avdovic; Industriell Produktion; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; polar diagram; flank wear; ceramic tool; variation in material; tool wear; tool life; machinability; Inconel; Alloy 718; Machining; notch wear;

    Sammanfattning : In gas turbine engine, nickel base alloy, such as Alloy 718, accounts for almost half of the total material requirement. Nickel-base superalloys are used for gas turbine components mainly because of their outstanding strength and resistance to oxidation at high temperatures (> 550°C). LÄS MER