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Visar resultat 1 - 5 av 27 uppsatser som matchar ovanstående sökkriterier.

  1. 1. A Techno-Economic Case Study of the Implementation of Hydrogen Technology in Connection to a CHP Plant

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Kristina Häggström Wedding; Amanda Kander; [2023]
    Nyckelord :Hydrogen Technology; Electrolyzer; Fuel Cell; Ancillary Services; Electricity Markets; Power Balancing; Balancing Markets; Power to Gas; Power to Power; Combined Heat and Power; District Heat; Heat Utilization; Flexibility; Optimization; Technology and Engineering;

    Sammanfattning : With climate change as the main driving force, the energy system is currently undergoing changes. Both the share of renewable resources used to produce electricity and the overall electrification is increasing. A way to handle the resulting challenges from more intermittent electricity production is by the implementation hydrogen technology. LÄS MER

  3. 2. Påverkan på klimat och biologisk mångfald från svensk och importerad quinoa: ett livscykelperspektiv

    Kandidat-uppsats, SLU/Dept. of Energy and Technology

    Författare :Saga Enberg; [2023]
    Nyckelord :biologisk mångfald; hållbar livsmedelsproduktion; klimatpåverkan; livscykelanalys LCA ; quinoa;

    Sammanfattning : Quinoa anses vara en framtidsgröda, och har attraktiva egenskaper så som högt näringsinnehåll och brett användningsområde. I Sydamerika har quinoa odlats i tusentals år. I Sverige odlas quinoa genom företaget Nordisk Råvara. LÄS MER

  4. 3. Gun violence among criminal networks : A quantitative analysis of Swedish police officers’ perceptions on crime prevention work

    Kandidat-uppsats, Mittuniversitetet/Institutionen för humaniora och samhällsvetenskap

    Författare :Emma West; [2022]
    Nyckelord :Gun violence; criminal networks; community policing; problem-oriented policing; law enforcement; vulnerable areas and non-vulnerable areas.;

    Sammanfattning : Purpose This study amied to explore how police officers perceived the crime prevention efforts taken against gun violence in Sweden. Of particularly interest was to examine how certain efforts were perceived by the police officers, to be more or less effective when it comes to prevent gun violence from occurring among criminal networks. LÄS MER

  5. 4. Methodology for Obtaining S-N Curves using Fatigue Testing and Static FEA

    Master-uppsats, Jönköping University/JTH, Material och tillverkning

    Författare :Filip Anderfelt; David Äse; [2022]
    Nyckelord :Fatigue; Testing; Fatigue Testing; Test rig; Pneumatic; FEA; Weld; Steel; Fillet Weld; S-N curve;

    Sammanfattning : The use of recommended S-N curves, presented in current literature, to analyse and determine the fatigue life of a part is common practice in, inter alia, the construction industry.However, the recommended S-N curves are generally created for larger components used in mainly the construction industry. LÄS MER

  7. 5. Dioxin i mark : En undersökning kring saneringsmetoder in-situ och on-site.

    Kandidat-uppsats, Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Författare :Anton Axelsson; [2022]
    Nyckelord :Dioxin in soil; Dioxin i mark;

    Sammanfattning : Dioxins are among the most toxic substances known to man. Dioxins are hydrophobic organic molecules that accumulate in the food chain and can cause cancer and reproductive difficulties for both animals and humans. A common method for remediating contaminated soil is excavation and transporting the masses to a landfill site. LÄS MER