Sökning: "1-D simulation"

Visar resultat 1 - 5 av 11 uppsatser innehållade orden 1-D simulation.

  1. 1. 1D Simulation of Hydraulic Cam Phaser System Utilized in Heavy Duty Vehicles : An Investigation on Attenuation of Phase Oscillations from Cam Torque Disturbances

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Johan Germundsson; [2023]
    Nyckelord :master thesis; cam phaser; simulation; 1D-simulation; GT-SUITE; GT-ISE; Gamma Technologies; oil aeration; oscillations; heavy-duty; engine; phaser; cam torque; stability; cam phaser system; Scania; Scalia CV;

    Sammanfattning : Cam phasers allow improvements to the efficiency and emissions of internal combustion engines. The usage of hydraulic vane type cam phasers for heavy-duty applications have shown problems with oscillations during testing at Scania CV. To investigate the root cause of the oscillations a detailed 1-d simulation model has been created. LÄS MER

  3. 2. Improvement of the 1D CFD method for Thermal management of a Battery Electric Vehicle

    Master-uppsats, Linköpings universitet/Mekanisk värmeteori och strömningslära

    Författare :SASHWAT CHHETRI; [2022]
    Nyckelord :CFD; Electromobility; BEV; Thermal Management; Simulation;

    Sammanfattning : Electrification of vehicles is necessary to combat greenhouse gas emissions, whichcauses global warming and climate change. There has been a demand in the use ofBattery Electric Vehicles due to this increased awareness of sustainability. However,they have been beset with issues such as range and conservation of energy. LÄS MER

  4. 3. Modeling, Simulation and Correlation of Drag losses in a Power Transfer Unit of an All- Wheel Drive System

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Balaji Srinivasan Venkatesan; [2020]
    Nyckelord :1-D simulation; System simulation; ROMAX Energy; LMS AMESim; Power loss; Hypoid gear; Power Transfer Unit; Efficiency and Drag Loss Tests; 1-D simulering; systemsimulering; ROMAX Energy; LMS AMESim; effektförlust; hypoidväxel; kraftöverföringsenhet; effektivitet och dragförlusttester;

    Sammanfattning : A Power Transfer Unit (PTU) of an All-Wheel Drive System is a hypoid gear transmission unit that distributes the power from the vehicle transmission to all wheels of the vehicle. This thesis aims at increasing the fidelity of the analytical power loss calculation methods through test data correlation and develop a 1D simulation model that can be used to evaluate the drag losses in the PTU at early design stages. LÄS MER

  5. 4. Modelling the Production of Biofuels via Olefins Oligomerisation

    Master-uppsats, KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Författare :Nima Mirzaei; [2020]
    Nyckelord :Biofuels; Mathematical Modelling; Process Simulation; Oligomerisation; Fischer-Tropsch; Biobränslen; Matematisk Modellering; Process Simulering; Oligomerisering; Fischer-Tropsch;

    Sammanfattning : The technical feasibility of gasoline and diesel range hydrocarbons production through oligomerisation of olefins, starting from biomass with the intermediary steps of gasfication, water-gas shift reaction and syngas-to-olefins synthesis was investigated, through mathematical modelling and simulation on Matlab. The model for the gasifier was based on minimisation of Gibbs free energy and its results showed that higher carbon efficiencies could be achieved at lower pressures and steam inlet, and more inlet energy, by pre-heating the gasifying agents. LÄS MER

  7. 5. Use of Electrical Coolant Pumps in Scania’s Cooling System

    Master-uppsats, KTH/Maskinkonstruktion (Avd.)

    Författare :Sai Aswin Srikanth; [2019]
    Nyckelord :Electrical coolant pumps; advanced cooling system layouts; controllable cooling system; GT-Suite simulation; Elektrisk kylvätskepump; avancerade kylsystemkoncept; reglerbart kylvätskesystem; GTSuitesimuleringar;

    Sammanfattning : The automotive industry is currently traversing through the electrification wave. Numerous manufacturers are directing focus to electrify their lineup and reduce emissions. In the frontier of heavy duty diesel trucks, electrification of auxiliary units remains an unexplored potential. LÄS MER