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Visar resultat 1 - 5 av 17 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Predictive model for continuous optimization of DPF service interval based on economic trade-off

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Mahir Sheth; [2022]
    Nyckelord :;

    Sammanfattning : AbstractEfficiency, emissions and uptime are three crucial factors that development engineers in the automotive business strive to improve. The proposed study is a part of this continuous improvement towards perfection of the Scania engine and exhaust after-treatment system. LÄS MER

  3. 2. Design of flow guiding parts through CFD topology optimisation

    Master-uppsats, KTH/Fordonsdynamik

    Författare :Aby Narayamparambil; [2021]
    Nyckelord :Topology optimisation in CFD; Ansys Fluent; Tosca Fluid; Particle track; Backflow tolerance; Topologi optimering i CFD; Ansys Fluent; Tosca Fluid; Particle track; Återflödets tolerans;

    Sammanfattning : Scania works continuously to develop internal combustion engines and after treatment systems which can achieve low pollutant emissions and high efficiency. A major principal that Scania adopted for this goal is the Simulation Driven Development (SDD) process. LÄS MER

  4. 3. Mechanical modelling of gaskets in exhaust after-treatment system of trucks

    Master-uppsats, Linköpings universitet/Mekanik och hållfasthetslära

    Författare :Aneesh Ravikumar; [2020]
    Nyckelord :;

    Sammanfattning : With the world proceeding towards a clean and sustainable environment,the creation of technology and its implementation also needs to be sustain-able. The importance of combustion engine vehicles to meet more stringentemission standards puts a requirement on the industry to develop suitableafter-treatment systems to meet those standards. LÄS MER

  5. 4. CFD Simulation of Urea Evaporation in STAR-CCM+

    Master-uppsats, Linköpings universitet/Mekanisk värmeteori och strömningslära

    Författare :Oscar Ottosson; [2019]
    Nyckelord :Urea; AdBlue; SCR; Solid Deposit; NOx; nitrogen oxides; CFD; speedup; spray simulation; UWS; diesel after-treatment; STAR-CCM ; AVL Fire; Scania; Sweden; NXPS; LiU; DOE; Urea; AdBlue; SCR; Klump; NOx; kvävedioxider CFD; uppsnabbning; spray simulering; UWS; efterbehandling av diesel-motor; STAR-CCM ; AVL Fire; Scania; Sverige; NXPS; LiU; DOE;

    Sammanfattning : Diesel engines produce large amounts of nitrogen oxides (NOX) while running. Nitrogen oxides are highly toxic and also contribute towards the formation of tropospheric ozone. LÄS MER

  7. 5. Effect of Biofuel Impurities on the Diesel Oxidation Catalyst

    Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

    Författare :Liene Kienkas; [2017]
    Nyckelord :DIESEL OXIDATION CATALYST; POISONING; PHOSPHORUS; SODIUM; CALCIUM; MATERIAL CHARACTERIZATION; ACTIVITY TESTING;

    Sammanfattning : Scania provides sustainable transport systems powered by bioethanol, biogas, biodiesel along with hybrid and conventional solutions. Today Scania offers the largest variety of engines operating on alternative fuels in the market. The number of the alternative fuel operated vehicles sold in 2016 increased by 40 % [1]. LÄS MER