Sökning: "friktionskoefficient"

Visar resultat 1 - 5 av 29 uppsatser innehållade ordet friktionskoefficient.

  1. 1. Impact of Frame Stiffness on Tribological Behaviour of Sliding Interfaces

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Nisha Singh; [2023]
    Nyckelord :coefficient of friction; friction-vibration interaction; stiffness; tribometer; vibrations; friktionskoefficient; friktion-vibrationsinteraktion; styvhet; tribometer; vibrationer;

    Sammanfattning : Friction and wear have been concerns to industrialists, scientists and environmentalist for several decades. Many robust models have been developed to address friction and wear and their dependency on various parameters. Numerous experiments have been conducted in the past to model friction and wear. LÄS MER

  3. 2. Assessment of a sediment management solution in a reservoir with a sluicing technique using a HEC-RAS 2D model : Case study of Andakílsá river in west Iceland

    Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Emilía Sól Gudgeirsdóttir; [2023]
    Nyckelord :SediCon Sluicer; Andakílsá Hydropower Station; HEC-RAS 2D Sediment modelling; Sustainable sediment management; SediCon Sluicer; Andakílsá vattenkraftverk; HEC-RAS 2D Sediment Modellering; Hållbar sedimenthantering;

    Sammanfattning : Sediment-related issues in reservoirs can often pose significant challenges to their operational effectiveness, sustainability, and environmental impact. Sustainable sediment management can help resolve these issues and extend the lifespan of dams. LÄS MER

  4. 3. Modeling of a ball contact with a coated plate

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Mohammadreza Saeedi; [2023]
    Nyckelord :Pin on disc tribometer; coating; contact mechanics; finite element method; tribology; Pin on disc tribometer; beläggning; kontaktmekanik; finita elementmetod; tribologi;

    Sammanfattning : During tightening of a screw, the variation in friction will affect the force acting on the joint, especially when tightening using torque as a control parameter. So, it is crucial to have a proper understanding of the contact mechanism and friction in the screw head to joint and thread interfaces. LÄS MER

  5. 4. Test Rig to Measure the Coefficient of Friction of Various Materials at Different Velocities and Pressures

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Prathik Jain Santhilal; [2023]
    Nyckelord :coefficient of friction; machine design; pressure; test rig; tribology; velocity.; friktionskoefficient; maskinkonstruktion; tryck; testrigg; tribologi; hastighet.;

    Sammanfattning : This thesis presents the design and development of a versatile test rig specifically tailored for measuring frictional properties of diverse materials across a wide range of velocities and pressures. The ability to accurately quantify frictional behaviour under varying conditions is essential for understanding material performance in numerous applications, such as automotive, aerospace, and manufacturing industries. LÄS MER

  7. 5. Glide Quality in Cross-Country Skiing : The Topographical and Frictional Impact of the Stone Grind

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Författare :Martin Johansson; [2022]
    Nyckelord :Friction; Stone grind; Ski development; Snow; Coefficient of Friction; Cross-Country Skiing; Ski; Friktion; Stenslip; Skidutveckling; Snö; Friktionskoefficient; Skidor;

    Sammanfattning : The Swedish Winter Olympic team is one of the strongest Olympic teams in theworld, and the majority of the team’s success comes from ski-related sports. So howcan the Swedish team remain, and maybe even accelerate, its competitive advantage? The answer is science. LÄS MER