Essays about: "växlar"

Showing result 1 - 5 of 46 essays containing the word växlar.

  1. 1. Valorizing waste through collaborations : A road map to expand the possibilities of a circular company

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

    Author : Antonia Jacobsson; Alice Larsson; [2023]
    Keywords : Waste Streams; Valorization; Industrial Symbiosis; Collaborations; Circular Economy; Circular Business Models; Waste Valorization;

    Abstract : When increasing the amount of recycled material in production the input materials are rarely homogenous which results in unavoidable waste streams. Utilizing this waste is of high importance when moving towards a Circular Economy and for firms to keep their circular identity. However, to achieve this, collaborations between firms are crucial. READ MORE

  3. 2. MODELLING OF HEAT TRANSFER OF RAILWAY SWITCH HEATING

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Siddharth Suresh Sumathi; [2023]
    Keywords : Conjugate Heat transfer analysis; transient analysis; CFD; insulation; measurement data uncertainties.; Konjugat Värmeöverföringsanalys; transientanalys; CFD; isolering; mätdata osäkerheter.;

    Abstract : Switches and crossings are vital components of the railway network. Obstacles to the smooth functioning of these components could result in delays and network traffic. Given the geographical location of Sweden, snow is one of the major obstacles for the switches. READ MORE

  4. 3. Development and implementation of a tram line performance model

    University essay from KTH/Väg- och spårfordon samt konceptuell fordonsdesign

    Author : Christian Matz; [2022]
    Keywords : tram; Vienna; travel time; tram operation; Spårvägn; Wien; restid; spårvagnstrafik;

    Abstract : Wiener Linien’s tram network is one of the largest and busiest of its kind worldwide. Maintaining and improving the Level of Service (LoS) is one of the major tasks of the operations division. To direct these improvements efficiently to lines and sections of lines in need, tram line performance needs to be assessed. READ MORE

  5. 4. Investigation of switching power losses of SiC MOSFET : used in a DC/DC Buck converter

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : André Xavier Svensson; [2022]
    Keywords : Switching power losses; Metal Oxide Semiconductor Field Effect Transistor; Silicon carbide; Synchronous Buck converter; Wide Band Gap; Double Pulse Test; Efficiency; Temperature; Växlande effektförluster; Fälteffekttransistor; Kiselkarbid; Synchronous Buck omvandlare; Wide Band Gap; Double Pulse Test; Verkningsgrad; Temperatur;

    Abstract : All DC/DC converter products include power electronic circuits for power conversion.It is important to find an efficient way for power conversion to reduce power losses and reduce the need for cooling and achieve environmentally friendly solutions.The use of semiconductor switches of wide band gap type is a solution to the problem. READ MORE

  6. 5. The brain in conversation: Mapping the neural correlates of turn-taking, production, and comprehension using fMRI

    University essay from Stockholms universitet/Institutionen för lingvistik

    Author : Caroline Arvidsson; [2022]
    Keywords : turn-taking; production; comprehension; conversation; fMRI; speech planning; turtagning; produktion; förståelse; konversation; fMRI; språkplanering;

    Abstract : Conversation is the primary mode of language use. A key feature of conversation is turn-taking, during which interlocutors rapidly switch between speaker and listener roles without conscious effort. READ MORE