Sökning: "OH hydroxyl"

Visar resultat 1 - 5 av 49 avhandlingar innehållade orden OH hydroxyl.

  1. 1. Studies of OH desorption from platinum using spatially resolved imaging of laser induced fluorescence

    Författare :Fredrik Gudmundson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; catalysis; hydroxyl; pressure gap; mass transport; planar laser-induced flourescence; OH; platinum; Pt; kinetic modeling; water information;

    Sammanfattning : .... LÄS MER

  3. 2. Laser Diagnostics and Chemical Modeling of Combustion and Catalytic Processes

    Författare :Michael Försth; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; catalysis; platinum; OH; elastic light scattering; planar LIF; fuel spray; surface reactions; imaging; Chemkin; hydroxyl; stagnation flow; gas-phase chemistry;

    Sammanfattning : The H2+1/2O2 H2O reaction on hot platinum surfaces has been studied. A stagnation flow geometry was used with a gas mixture of H2 and O2 at subatmospheric pressures. LÄS MER

  4. 3. Laser Diagnostics of HCCI and Partially Premixed Combustion

    Författare :Leif Hildingsson; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; low temperature combustion; Motorer; Motors and propulsion systems; Teknik; Technological sciences; PIV; in-cylinder flow structures; hydroxyl; OH; partially-oxidized fuel; formaldehyde; HCOH; LIF; diesel combustion; partially premixed combustion; PPC; HCCI; framdrivningssystem;

    Sammanfattning : The work presented in this thesis deals with measuring in-cylinder combustion species and events using different laser-based diagnostic methods. A variety of engine operating modes, like HCCI and partially premixed diesel combustion, have been investigated. LÄS MER

  5. 4. Laser diagnostics and modeling of the coupling between heterogeneous catalytic and gas-phase oxidation of hydrogen

    Författare :Michael Försth; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; stagnation flow; hydroxyl; planar LIF; surface reactions; gas-phase chemistry; Chemkin; platinum; catalysis; OH; ignition conditions;

    Sammanfattning : .... LÄS MER

  7. 5. Structure, Bonding and Chemistry of Water and Hydroxyl on Transition Metal Surfaces

    Författare :Klas Andersson; Anders Nilsson; Falko Netzer; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; core-level spectroscopy; surface chemistry; water; hydroxyl; metal surfaces; adsorption; structure; hydrogen bonding; Chemical physics; Kemisk fysik;

    Sammanfattning : The structure, bonding and chemistry of water and hydroxyl on metal surfaces are presented. Synchrotron based x-ray photoelectron- and x-ray absorption spectroscopy along with density functional theory calculations mainly form the basis of the results. LÄS MER