Sökning: "shen"

Visar resultat 1 - 5 av 47 avhandlingar innehållade ordet shen.

  1. 1. Particulate Matter Emissions from Partially Premixed Combustion with Diesel, Gasoline and Ethanol

    Författare :Mengqin Shen; Förbränningsmotorer; []
    Nyckelord :PPC; PM emissions; Diesel; Gasoline; Ethanol; Particle size distribution;

    Sammanfattning : To achieve cleaner combustion and higher efficiency in compression ignition (CI) engines, many new combustion strategies have been developed. Among these new concepts, partially premixed combustion (PPC) attracts a lot of attention, because of its possibility to achieve simultaneously low soot and NOx. LÄS MER

  3. 2. Advanced Optical Diagnostics in Particle Combustion for Biomass and Metal as Alternative Fuels

    Författare :Shen Li; Förbränningsfysik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Optical diagnostics; Quantitative measurement; Iron powder; Biomass; High-speed imaging; Digital holography; 3D reconstruction; SEM; Fysicumarkivet A:2022:Li;

    Sammanfattning : The energy sector is in urgent need for carbon-free strategies considering environmental pollutions and climate change impact. Two kinds of solid fuels, biomass and metal particles have been studied in this thesis aiming at CO2 emission reduction or zero carbon emission. LÄS MER

  4. 3. Separation of plastics by flotation

    Författare :Huiting Shen; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mineralteknik; Mineral Processing;

    Sammanfattning : This thesis analyses and summarises the importance of plastics waste recycling and plastics waste separation, presents an innovative principle for plastics flotation, and provides various methods for the separation of plastics mixtures. The objective is to understand the mechanisms for selective flotation separation of plastics, get plastics mixtures separated and enable more plastics wastes to be recycled. LÄS MER

  5. 4. Stress during cancer diagnostic workup

    Författare :Qing Shen; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Receiving a cancer diagnosis is an extremely stressful life event. Cancer patients have been reported to experience an excessive risk of stress-related health outcomes including suicide. LÄS MER

  7. 5. Theoretical and numerical study of jointed rock mass behaviour

    Författare :Baotang Shen; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mining and Rock Engineering; Gruv- och Berganläggningsteknik;

    Sammanfattning : .... LÄS MER