Essays about: "breakdown current"

Showing result 1 - 5 of 57 essays containing the words breakdown current.

  1. 1. Tribological characterization of a ball bearing subjected to an electric field : Electric drivetrain tribology

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

    Author : Muhammad Umar Farooq; [2023]
    Keywords : Ball bearing; electric drivetrain; tribology; electric field; characterization; bearing currents; discharge;

    Abstract : Electric machines are widely used in for instance the automotive industry in electric vehicles and in wind turbines. The electrical machines have mechanical bearings as an integral part used to transmit power and load. In addition, the main function includes reducing friction between interacting surfaces. READ MORE

  3. 2. Discharge and Flame Chemistry in Lithium-Ion Battery Vent Gases : Investigations using Breakdown Experiments with Laser-Based Diagnostics

    University essay from Lunds universitet/Förbränningsfysik; Lunds universitet/Fysiska institutionen

    Author : Julia Lövgren; [2023]
    Keywords : PLIF; Laser-induced fluorescence; Laser-based diagnostics; Combustion; Lithium-ion battery; Physics and Astronomy;

    Abstract : Due to the environmental impact of fossil fuels, there has been a growing interest in lithium-ion batteries for electric vehicles. However, safety concerns have arisen regarding potential fire hazards associated with the vent gases of these batteries. READ MORE

  4. 3. Assessment of Machine tool flexibility in a Production system

    University essay from KTH/Produktionsutveckling

    Author : Anton Oldestam; [2023]
    Keywords : Machine tool; Machine tool flexibility; Current state description; Machining; Production system; NC-machines; Manufacturing; Volvo trucks;

    Abstract : This project aims to present machine tool characteristics which may induce limiting factors in terms of flexibility. The aim is also to present a current state description of the machine tools in the production system regarding their characteristics in terms of quantifiable results. READ MORE

  5. 4. A study of how Lean principles affect process ergonomics : A case study at Volvo CE Braås using discrete event simulation

    University essay from Linnéuniversitetet/Institutionen för maskinteknik (MT)

    Author : Jessica Peltonen; Jessica Borg; [2022]
    Keywords : 94 6-rule; DES; Disassembly; Ergonomic; Facts Analyzer; Flow theory; Gemba; Lean; Optimal zone; Standard deviation; Statistics; Survey; SWEA; Variation.;

    Abstract : To stay competitive in today's market, organizations focus on efficiency to reduce costs. Since there are still processes that are manually handled, there is a risk of affecting workers health during streamlining. Volvo CE Braås are currently working with a takt time of 35 minutes throughout their facility. READ MORE

  6. 5. Improving Availability of the Pelletization Process

    University essay from Luleå tekniska universitet/Institutionen för ekonomi, teknik, konst och samhälle

    Author : Emil Andreasson; Pontus Åhman; [2022]
    Keywords : Availability; Predictive Maintenance; Pelletization; Statistical Process Control; Refractory Material; DMAIC;

    Abstract : The Grate-Kiln-Cooler process is a commonly used method of sintering during iron ore pelletization, where the pellets are formed, dried, and hardened. The pellets are oxidized in the rotating Kiln, turning magnetite (Fe3O4) to hematite (Fe2O3), making the pellets attain suitable metallurgical attributes for further processing. READ MORE