Sökning: "injector"

Visar resultat 1 - 5 av 61 avhandlingar innehållade ordet injector.

  1. 1. Development of the Lund AMS facility for the detection of Al-26 -- with applications in plant ecology

    Författare :Mikko Faarinen; Kärnfysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ion source; injector; plant material; Nuclear physics; Kärnfysik; aluminium; Accelerator mass spectrometry; AMS; Fysicumarkivet A:2003:Faarinen;

    Sammanfattning : Accelerator mass spectrometry (AMS) is a highly sensitive technique to count atoms. The method has a high efficiency, which makes it possible to measure small samples in a relatively short time, usually less than an hour. During the work for this thesis, methods have been developed to detect Al-26 at the Lund AMS facility. LÄS MER

  3. 2. Advancing the Limits of Dual Fuel Combustion

    Författare :Fredrik Königsson; Hans-Erik Ångström; Arne Andersson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Diesel Dual Fuel; Methane; CNG; Biogas; Injector; Coking; Knock; Pre-ignition; Preignition; HCCI; PPCI; PPC; RCCI;

    Sammanfattning : There is a growing interest in alternative transport fuels. There are two underlying reasons for this interest; the desire to decrease the environmental impact of transports and the need to compensate for the declining availability of petroleum. In the light of both these factors the Diesel Dual Fuel, DDF, engine is an attractive concept. LÄS MER

  4. 3. Modelling of Multicomponent Fuel Sprays

    Författare :Vignesh Pandian Muthuramalingam; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; multicomponent fuel sprays; diesel and gasoline engine conditions; CFD; resolving counterbore; GDI injector; resolving injector orifice; secondary breakup; stochastic blob and bubble model; differential evaporation;

    Sammanfattning : The use of fuel blends (conventional fuels blended with renewable ones) has gained importance in the automotive industry as an option to reduce emissions and dependence on fossil fuels. In order to make the fuel blends commercially viable, computational fluid dynamics (CFD) is used to complement the experiments (done on engines or spray chambers) by providing fundamental insight into spray formation. LÄS MER

  5. 4. A Study of Injector Aging Effects on the Spray and Combustion in a Diesel Engine

    Författare :Xinda Zhu; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Diesel Combustion; Liquid Spray Formation; Injector Aging; Soot;

    Sammanfattning : .... LÄS MER

  7. 5. The rotating injector as a tool for exploring DI diesel combustion and emissions formation processes

    Författare :Magnus Sjöberg; KTH; []
    Nyckelord :diesel spray combusion; rotating injector. Air swirl; air fuel-mixing. Soot. NO. CO; flame visualization. Chemking modeling. Soot deposition;

    Sammanfattning : A diesel fuel injector has been modified to allow rotationaround its axis, driven by an electric motor. Injections at upto 6000 rpm from the rotating injector have been investigatedunder the influence of air swirl on one optical research engineand one optically accessible heavy-duty diesel engine. LÄS MER