Sökning: "antändning"

Visar resultat 1 - 5 av 7 avhandlingar innehållade ordet antändning.

  1. 1. A numerical study of mixing phenomena and reaction front propagation in partially premixed combustion engines

    Författare :Christian Ibron; Strömningsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CFD simulation; förbränning; antändning;

    Sammanfattning : This work treats the modelling of PPC engine combustion through 3D computational fluid dynamics. In order to develop a cost-effective CFD model for the design and performance analysis of PPC engines it is important to first understand the multiple modes of combustion in PPC engines, e.g. LÄS MER

  3. 2. Diffusive Combustion of Ethanol in a Dual-Fuel Direct Injection Compression Ignition Engine

    Författare :Nicola Giramondi; Anders Christiansen Erlandsson; Mihai Mihaescu; Anders Jäger; Jan Erik Eismark; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Design; Maskinkonstruktion;

    Sammanfattning : The impact of climate change due to global warming necessitates rapid and extensive measures to enhance the sustainability of the energy and transport sectors. In this context, there are large environmental and societal benefits to be gained by replacing diesel with renewable fuels for road freight transport. LÄS MER

  4. 3. HCCI Operation - Closed loop combustion control using VVA or dual fuel

    Författare :Petter Strandh; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Motorer; framdrivningssystem; Motors and propulsion systems; applied thermodynamics; Model Predictive Control; System Identification; HCCI; Closed Loop Combustion control; termodynamik; Termisk teknik; Thermal engineering; Ion Current;

    Sammanfattning : The current technology within combustion engines have the possibility of handling the more stringent legislative demands on combustion engines. However the required solutions are getting more expensive and technically challenging. LÄS MER

  5. 4. Combustion of selected alternative liquid fuels at oxy-fuel conditions: experiments and modelling

    Författare :Jenny D. Nauclér; Förbränningsfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Alcohols; Nitromethane; Chemistry; Laminar burning velocity; Ignition; Combustion; Fysicumarkivet A:2016:Nauclér;

    Sammanfattning : Combustion of fuels is a major source of energy and at the same time a threat to the environment. Carbon dioxide (CO2) emissions are one of the obstacles on the route to cleaner energy. Combining Carbon Capture and Storage-technology (CCS) with use of biofuels lead to a negative net release of CO2 can be achieved. LÄS MER

  7. 5. Theoretical and Experimental Studies of the Formation of Ionized Gases in Spark Ignition Engines

    Författare :Raymond Reinmann; Förbränningsfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Thermal Ionization; Calorimetry; Interferometry; Spark Ignition Engine; Current and Voltage Measurements; Engine Control.; fluid dynamics; Gases; plasmas; Gaser; plasma; fluiddynamik; Breakdown; Arc; Glow; Flame Ionization; Chemi-Ionization; Spark; Townsend; Fysicumarkivet A:1998:Reinmann;

    Sammanfattning : The processes that govern the formation, existence and consumption of ions in gases have been studied both experimentally and theoretically. The aim of the work is targeted at increasing the understanding of these phenomena in the working gases inside an engine. LÄS MER