Essays about: "Hertzian contact theory"

Showing result 1 - 5 of 7 essays containing the words Hertzian contact theory.

  1. 1. Additives in a steam engine to decrease friction : Friction testing of solid lubricants in powder form

    University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)

    Author : Viktor Lange; [2023]
    Keywords : Tribology; friction; wear; steam; steam engine; ranotor; invencon; invencon AB; steel; contact mechanics; hexagonal boron nitride; molybdenum disulfide; tungsten disulfide; lubricants; solid lubricants; Tribologi; friktion; nötning; ånga; ångmotor; stål; kontaktmekanik; smörjning; smörjmedel; fasta smörjmedel;

    Abstract : This thesis aims to investigate the coefficient of friction between steel on steel contacts with the addition of solid lubricants such as h-BN, WS2, MoS2 in powder form, in dry conditions and wet conditions. More specifically, the purpose is to enhance the sliding between the piston rings and cylinder block in a modern high temperature steam engine developed by RANOTOR. READ MORE

  3. 2. Designing of two load bearing surfaces in a modern high-speed steam engine

    University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)

    Author : Anders Söderbäck; [2022]
    Keywords : Ranotor Modern high-speed steam engine mechanical engineering KISSsoft Bevel gears; Ranotor Ångmotor KISSsoft Maskinteknik;

    Abstract : The topic of this thesis is the designing of two load bearing surfaces in a modern high-speed steam expander. One of the surfaces is a synchronizing gear structure and the other a conical surface. The goal besides the design is to calculate the contact pressure these surfaces experience during operation. READ MORE

  4. 3. Dimensioning of a cutter wheel bearings

    University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik (from 2013)

    Author : Kebin Xie; [2020]
    Keywords : cutter wheel; bearing; wear; scuffing; Archard equation; lubrication number; Reynold equation; Hertzian contact theory; impact load factor; FE model; Ansys; contact pressure on bearing;

    Abstract : Mobile Miner 40V is a machine used for rock excavation and developed by Epiroc. This machine is equipped with a large cutter wheel to perform the excavation. After a test run, some surfaces associated with bearings within the cutter wheel were found to be damaged due to scuffing - severe sliding wear. READ MORE

  5. 4. Impact of Sidewall Pressure on High Voltage Cables

    University essay from Blekinge Tekniska Högskola/Institutionen för maskinteknik

    Author : Robin Berglind; [2018]
    Keywords : High Voltage Cable; Contact Mechanics; Finite element anlysis and Pressure film;

    Abstract : When a high voltage cable is transported throughout factory it is affected by sidewall pressure in cable bends between the roller supports and the cable. The problem is when the sidewall pressure is too high it will deform the cable which can have a negative impact on the conductivity of the cable. READ MORE

  6. 5. New bore pipe connection for Slotborer

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : EMIL GRÖNKVIST; [2016]
    Keywords : Mining machines; Slotborer; Drill pipes; Pipe connections; Shaft connections; Gruvmaskiner; Slotborer; Borrpipor; Pipkopplingar; Axelkopplingar;

    Abstract : Slotborer är benämningen på en ny maskinprototyp som skall användas för att i gruvor borra och utvinna platina. För att erhålla ett visst borrdjup skarvas borrpipor vilket åstadkoms med en gängkoppling. READ MORE