Essays about: "piston ring"

Showing result 1 - 5 of 8 essays containing the words piston ring.

  1. 1. Development of a 3D Ring Dynamics Model For a Heavy-Duty Piston Ring-Pack

    University essay from Blekinge Tekniska Högskola/Institutionen för maskinteknik

    Author : Parthasri Akurati; Karan Kumar; [2021]
    Keywords : 3D ring model; Flank wear; Oil consumption; Piston ring dynamics;

    Abstract : With the increasing restrictions in emission legislations, the automotive industry aims to improve the efficiency of the lubricating system and to decrease fuel consumption. In the power cylinder unit (PCU), the piston rings are the major contributor to these consumptions. READ MORE

  3. 2. Calibration of wear and friction models for a Heavy-Duty Piston Ring pack

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Lucas Wernelind; [2020]
    Keywords : ;

    Abstract : .... READ MORE

  4. 3. New piston ring solution for Stirling engines

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Pontus Johansson; [2019]
    Keywords : Stirling engine; test rig; piston ring;

    Abstract : .... READ MORE

  5. 4. Determining the viscous splash losses in the housing of a hydraulic motor through CFD-simulations : A master thesis in collaboration with Bosch-Rexroth in Mellansel AB

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Tommy Larsson; [2017]
    Keywords : CFD computational fluid dynamics splash losses efficiency;

    Abstract : One possible way of solving future energy shortages is by the optimization of our current energy consumption. These optimizations must span all possible fields of consumption. In the mechanical field radial piston hydraulic motors may show some margin of improvement. READ MORE

  6. 5. Tribological evaluation of the contact between upper compression ring and cylinder liner with different surface coatings

    University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysik

    Author : Pär Wassborg; [2016]
    Keywords : piston ring; cylinder liner; wear; friction; grey cast iron; titanium oxide; chromium oxide;

    Abstract : The constant pursuit in the automotive industry to increase the engines performance, new solutions are always developed and tested to reduce the friction and increase the efficiency in the engine. One component that contributes to friction losses is the piston ring pack where the top compression stands for up to 40 %. READ MORE