Sökning: "Shyang Maw Lim"

Hittade 2 avhandlingar innehållade orden Shyang Maw Lim.

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

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

    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

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

    Författare :Shyang Maw Lim; Mihai Mihaescu; Anders Dahlkild; Christophe Duwig; Laszlo Fuchs; Niklas Andersson; KTH; []
    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; Engineering Mechanics; Teknisk mekanik;

    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