Sökning: "Cylinders"

Visar resultat 6 - 10 av 118 avhandlingar innehållade ordet Cylinders.

  1. 6. Rolling contact of a paper web between layered cylinders with implications to offset printing

    Författare :Anna Wiberg; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  3. 7. A study of heat transfer from cylinders in turbulent flows by using thermochromic liquid crystals

    Författare :Roland Wiberg; KTH; []
    Nyckelord :Fluid mechanics; convection heat transfer;

    Sammanfattning : In gas quenching, metal parts are rapidly cooled from hightemperatures, and the convection heat transfer coefficientdistributions are of importance for the hardness and thedistortion (the shape nonuniformities) of the quenched parts.Thermochromic liquid crystals (TLC) and a thin foil techniques,were investi- gated and used for studies of a circular cylinderin axial flows, affected and not affected by upstream owmodifying inserts. LÄS MER

  4. 8. Characteristics of mean and fluctuating surface pressure distributions on tubes in tandem arrangement and in-line tube bundles

    Författare :Lars Ljungkrona; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; flow visualizations; in-line square tube bundle; pressure distributions; free-stream turbulence; pressure fluctuations; in-line arrangement; circular cylinders in cross-flow; Strouhal numbers; tandem arrangement;

    Sammanfattning : .... LÄS MER

  5. 9. The safety relevance of standardized tests for diving equipment

    Författare :Mårten Silvanius; Oskar Frånberg; Greg Murphy; Blekinge Tekniska Högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Diving; rebreather; underwater breathing apparatus; unmanned testing; hyperbaric; scuba; oxygen sensor; composite gas cylinder; carbon dioxide monitoring;

    Sammanfattning : Vital components are more or less prone to fail in a diving apparatus. This thesis examines the performance of oxygen sensors, carbon dioxide scrubber monitoring and composite gas cylinders. LÄS MER

  7. 10. On focusing of shock waves

    Författare :Veronica Eliasson; Nicholas Apazidis; John Dear; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; converging shock; Euler equations; imploding shock; Mach reflection; regular reflection; shock focusing; shock tube; Fluid mechanics; Strömningsmekanik;

    Sammanfattning : Both experimental and numerical investigations of converging shock waves have been performed. In the experiments, a shock tube was used to create and study converging shock waves of various geometrical shapes. Two methods were used to create polygonally shaped shocks. LÄS MER