Sökning: "turbocharger performance"

Visar resultat 1 - 5 av 28 avhandlingar innehållade orden turbocharger performance.

  1. 1. On-Engine Turbocharger Performance Considering Heat Transfer

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Habib Aghaali; Hans-Erik Ångström; Jose R. Serrrano; [2012]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; turbocharger; Internal combustion engine; heat transfer; turbocharged engine; on-engine turbocharger; turbocharger performance; توربو شارژر، موتور احتراق داخلی، انتقال حرارت، توربوچارجر; turbo; turboladdare; förbränningsmotor; värmeöverföring; turboladdad motor;

    Sammanfattning : Heat transfer plays an important role in affecting an on-engine turbocharger performance. However, it is normally not taken into account for turbocharged engine simulations. LÄS MER

  2. 2. CFD of Duct Acoustics for Turbocharger Applications

    Detta är en avhandling från Stockholm : KTH

    Författare :Emma Alenius; Mats Åbom; Laszlo Fuchs; Federico Piscaglia; [2010]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aero acoustics; Large Eddy Simulation; IC-engines; 1D models; turbocharger; orifice plate; TECHNOLOGY Engineering physics Acoustics; TEKNIKVETENSKAP Teknisk fysik Akustik; TECHNOLOGY Engineering mechanics Fluid mechanics; TEKNIKVETENSKAP Teknisk mekanik Strömningsmekanik;

    Sammanfattning : The search for quieter internal combustion engines drives the quest for a better understanding of the acoustic properties of engine duct components. In this work the main focus is the turbocharger compressor and a discussion of turbocharger acoustics and earlier work within the area is presented, giving an insight into its sound generating mechanisms and the damping effect it has on pressure pulses, i. LÄS MER

  3. 3. Aerothermodynamics and exergy analysis in turbocharger radial turbine

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Shyang Maw Lim; Mihai Mihaescu; Anders Dahlkild; Ricardo Martinez-Botas; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; pulsatile exhaust flow; turbine; turbocharger; Detached Eddy Simulation; heat transfer; exergy; Teknisk mekanik; Engineering Mechanics;

    Sammanfattning : Coupling of turbomachine to reciprocating automotive engine in turbocharging leads to complex fluid flow and thermal characteristics in the turbine. Some undesirable characteristics include heat transfer, flow pulsation and secondary flow due to the complex geometry of the upstream exhaust manifold. LÄS MER

  4. 4. Flow and heat transfer in a turbocharger radial turbine

    Detta är en avhandling från Stockholm : KTH Royal Institute of Technology

    Författare :Shyang Maw Lim; Mihai Mihaescu; Anders Dahlkild; Christophe Duwig; Laszlo Fuchs; Niklas Andersson; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; pulsatile exhaust flow; efficient radial turbine; turbocharger performance; Detached Eddy Simulation; level of integration with the Internal Combustion Engine; heat transfer effect; pulserande avgasflöde; effektiv radialturbin; turboaggregatprestanda; Detached Eddy Simulation; integrationsnivå med förbränningsmotorn; värmeöverföringseffekt; Teknisk mekanik; Engineering Mechanics;

    Sammanfattning : In the past decades, stricter legislation has been imposed to improve fuel economy and to reduce tail-end emissions of automotive vehicles worldwide. One of the important and effective technologies adopted by the automobile manufacturers to fulfill legislation requirements is the turbocharger technology. LÄS MER

  5. 5. Engine Optimized Turbine Design

    Detta är en avhandling från KTH Royal Institute of Technology

    Författare :Nicholas Anton; Anders Christiansen-Erlandsson; Magnus Genrup; Marc Gugau; [2019]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Turbocharger; Heavy-duty; Turbine; Axial; Radial; Machine Design; Maskinkonstruktion;

    Sammanfattning : The focus on our environment has never been as great as it is today. The impact of global warming and emissions from combustion processes become increasingly more evident with growing concerns among the world’s inhabitants. The consequences of extreme weather events, rising sea levels, urban air quality, etc. LÄS MER