Sökning: "lift-off"

Visar resultat 1 - 5 av 47 avhandlingar innehållade ordet lift-off.

  1. 1. Investigations of Diesel Sprays in Optical Engines - Liquid Fuel Penetration and Lift-Off Length

    Författare :Guillaume Lequien; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; high-speed imaging; liquid penetration; lift-off length; soot; optical engine; Diesel sprays;

    Sammanfattning : Diesel engines are widely used as powertrain solutions for transportation vehicles. Their low fuel consumption and high performance make them attractive, however, their associated pollutant emissions is a major drawback which represent a hazard for public health and the environment. LÄS MER

  2. 2. Development of Nanoimprint Lithography for Applications in Electronics, Photonics and Life-sciences

    Författare :Patrick Carlberg; Fasta tillståndets fysik; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mikroelektronik; Microelectronics; Teknik; ballistic; Technological sciences; Fysik; Physics; nanowire; TBJ; cantilever; IDA electrode; sensors; life-science; lift-off; patterning media; anti-sticking; mold; stamp; process development; thermal imprint; nanoimprint lithography; Biotechnology; Bioteknik; nanotechnology; polymer; nanostructure;

    Sammanfattning : This thesis describes different aspects of nanotechnology manufacturing with nanoimprint lithography (NIL), a relatively new nanofabrication tool capable of high resolution and high throughput. Surface structure creation with NIL is based on mechanical deformation of the patterning material. LÄS MER

  3. 3. Numerical Modelling of Diesel Spray Injection, Turbulence Interaction and Combustion

    Författare :Fabian Kärrholm Peng; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Atomization; Spray; Flame; Cavitation; Ignition Delay; Lift-off; Combustion; Computational Fluid Dynamics; Numerical Scheme; TVD; Diesel; Turbulence Model;

    Sammanfattning : This thesis covers two main topics. The first is numerical modelling ofcavitating diesel injector flows, focusing on describing suchflows using asingle-phase cavitation model based on a barotropic equation of statetogetherwith a homogenous equilibrium assumption. LÄS MER

  4. 4. Metallic particles in GIS : identification and particle lift-off/fall-down on coated electrodes

    Författare :Magnus Holmberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; identification; acoustic measurements; metallic particles; fall-down; lift-oss; dielectric coating; SF6; wire particles; GIS;

    Sammanfattning : .... LÄS MER

  5. 5. Spray Processes in Optical Diesel Engines - Air-Entrainement and Emissions

    Författare :Clement Chartier; Förbränningsmotorer; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Diesel; Combustion; Soot; UHC; Injections; Lift-off length; air-entrainement;

    Sammanfattning : Internal combustion engines have been an important technological field for more than a century. It has had an important impact on society through improved transportation and industrial applications. LÄS MER