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Showing result 1 - 5 of 14 essays matching the above criteria.

  1. 1. Optimizing the Performance and Efficiency of District Heating Substations : A Study of the Cooling Process and Overall System Improvements in Ludvika

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Marwan Ali; Eema Sheykhi Narani; [2023]
    Keywords : Energy efficiency in multi-family buildings; District heating efficiency; Sustainability; District heating control; Cooling process;

    Abstract : The concept of future sustainability is driving efforts toward the efficient improvement of energy systems. District heating systems play a key role in balancing the energy system by improving performance and flexibility. READ MORE

  3. 2. The Establishment of Internal Corporate Venturing for a Virtual Economy in Web 3.0 setting

    University essay from KTH/Industriell ekonomi och organisation (Inst.)

    Author : Pada Phosaard; Qingyi Yang; [2022]
    Keywords : Corporate venture builder; Web 3.0 venture; Blockchain; Virtual economy; venture building; Företagsföretagsbyggare; Web 3.0-satsning; Blockchain; Virtuell ekonomi; Företagsbyggande;

    Abstract : The virtual economy has been gaining attraction since the increase of blockchain and web 3.0technology adoption. However, regarding the rise of web3.0 startups, the corporate pursuing this technology are still limited. READ MORE

  4. 3. Extending the Use of Design Automation Within 3D-Modelling of Tool Inserts : A project investigating the possibility of reusing and adapting an existing design automation in a similar situation.

    University essay from Linköpings universitet/Produktrealisering

    Author : Amanda Svensson; [2022]
    Keywords : Design Automation;

    Abstract : About eighty percent of all engineering work done today is repetitive, and about ninety percent of all engineering work consist of modelling minor changes. By replacing all the repetitive human engineering work with computers, the engineers could instead focus on creating new products or improving the existing. READ MORE

  5. 4. Numerical Simulation of 3.3 kV–10 kV Silicon Carbide Super Junction-MOSFETs for High Power Electronic Applications

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

    Author : Rishi Balasubramanian Saraswathy; [2022]
    Keywords : Super–Junction; DMOSFET; 4H-SiC; Silicon Carbide; Wide bandgap; 6.5 kV; 10 kV; On-state resistance; Breakdown voltage; Super–Junction; DMOSFET; 4H-SiC; kiselkarbid; bredbandgap; 6.5 kV; 10 kV; framspänningsfall; spärrspänning;

    Abstract : The thesis focuses on designing and characterizing SiC 3.3 kV Diffused Metal-Oxide Semiconductor Field-Effect Transistor (DMOSFET)s with a Ron that is significantly lower than that of current commercial devices. The On-state resistance and breakdown voltage are then adjusted by adding a Super-Junction structure. READ MORE

  6. 5. Long term aging and creep exposure for advanced heat resistant alloys : A phase analysis

    University essay from Uppsala universitet/Institutionen för materialvetenskap; Uppsala universitet/Institutionen för kemi - Ångström

    Author : Daniel Lundberg; Filip Wilson; Hjalmar Gunnarsson; Leo Sjörén; Robin Xu; Erik Djurberg; [2021]
    Keywords : Austenitic stainless steel; ferritic steels; nickel based alloys; creep; ageing; XRD; SEM EDS; LOM;

    Abstract : This project was ordered by Sandvik Materials Technology and was performed by a group of students at Uppsala university. The purpose of the project was to study precipitation behavior and structure stability in six advanced heat resistant alloys. Each sample were subjected to a creep rupture test in 600 or 700°C depending on the alloy type. READ MORE