Sökning: "EHD"

Visar resultat 1 - 5 av 10 avhandlingar innehållade ordet EHD.

  1. 1. Leakage mechanisms in static seals subjectecd to reciprocating vibration

    Författare :Filip Rosengren; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; O-ring; vibration; static seals; leakage; EHD; contact pressure; surface roughness; elastohydrodynamic; square-ring; compact seals;

    Sammanfattning : .... LÄS MER

  3. 2. Lubricant drop formation behind an EHD contact

    Författare :Per-Olof Larsson-Kråik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

    Sammanfattning : .... LÄS MER

  4. 3. Lubricant replenishment in the vicinity of an EHD contact

    Författare :Per-Olof Larsson-Kråik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

    Sammanfattning : Lubricants are subjected to high pressures in many mechanical devices - notably gears, cams, piston rings and rolling element bearings. The contact pressure between the ball and the race in a ball bearing can be as high as 5 GPa. LÄS MER

  5. 4. Molecular mechanisms in synaptic vesicle recycling

    Författare :Joel Jakobsson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Neurons communicate through specialized contacts called synapses, which consist of pre- and postsynaptic compartments separated by a narrow synaptic cleft. The stimulus- dependent rapid influx of calcium ions into the presynaptic compartment induces fusion of neurotransmitter-filled vesicles with the plasma membrane and release of their content into the synaptic cleft. LÄS MER

  7. 5. Friction in Elastohydrodynamic Lubrication

    Författare :Marcus Björling; H. P. Evans; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Maskinelement; Machine Elements;

    Sammanfattning : Today, with increasing demands on industry to reduce energy consumption and emissions, the strive to increase the efficiency of machine components is maybe bigger than ever. This PhD thesis focus on friction in elastohydrodynamic lubrication (EHL), found in, among others, gears, bearings and cam followers. LÄS MER