Sökning: "hur bildas värme av energi"

Visar resultat 1 - 5 av 10 uppsatser innehållade orden hur bildas värme av energi.

1. 1. Insights into the burning behaviour of wood in the cone calorimeter

   Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Författare :Ellinor Sanned; [2022]
   Nyckelord :Wood combustion; fire test; cone calorimetry; heat release rate; char formation;

   Sammanfattning : Climate change and its accompanying environmental issues have caused the building industry to use more environmentally friendly building materials. Wood have always been a buildingmaterial but due to the renewed interest in imparting sustainability and renewability, its usage has increased over the recent years. LÄS MER

3. 2. Modelling and Evaluation of a Waste Incineration Flue Gas Treatment Process

   Master-uppsats, Lunds universitet/Kemiteknik (CI)

   Författare :Sandra Arvidsson; [2022]
   Nyckelord :Flue gas treatment; Limestone wet flue gas desulphurization; FGD; Waste incineration; Scaling; Modelling; Simulation; Aspen Plus; Chemical Engineering; Technology and Engineering;

   Sammanfattning : As environmental awareness is raised, flue gas treatment is gaining more interest and stricter legislation on emissions pushes technological development. Sysav has a waste incineration plant with a flue gas cleaning process which includes removal of acid gases. LÄS MER

4. 3. Coulomb drag in parallel nanowires

   Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

   Författare :David Dai; [2020]
   Nyckelord :Coulomb drag; nanowire; Physics and Astronomy;

   Sammanfattning : In this project the transport phenomenon Coulomb drag is studied in a 1D system comprised of two nanowires in parallel. Specifically, a driving current across the active wire generated a drag current in the passive wire, and we studied how Coulomb drag influenced both the driving and drag currents. LÄS MER

5. 4. Potential till energiutvinning från deponigas på Tagenedeponin norr om Göteborg

   Master-uppsats, Lunds universitet/Kemiteknik (CI)

   Författare :Erik Johansson; [2020]
   Nyckelord :Deponigas; Diffusa Utsläpp; Energiutvinning; Avfallshantering; Nedbrytningsmodellering; Kemiteknik; Chemical engineering; Technology and Engineering;

   Sammanfattning : When organic material is deposited at a landfill it is decomposed over time by microorganisms to form a gas mixture consisting of mainly methane, carbon dioxide and nitrogen called landfill gas. To limit the environmental impact from this gas there is a requirement in Sweden today that all landfills which have accepted or are accepting organic material to be equipped with a gas collection system and at least a flare to combust the methane. LÄS MER

7. 5. Värmeöverföring mellan två zoner i en bubblande fluidiserad bädd

   Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

   Författare :Christian Stigsson; [2018]
   Nyckelord :Heat transfer; fluidized beds; multi-staging; Eulerian-Eulerian two-fluid; Technology and Engineering;

   Sammanfattning : In this Master's thesis, the heat transfer between two zones in a bubbling fluidized bed and the resultant temperature field were examined using a laminar Eulerian-Eulerian two-fluid model in computational fluid dynamics. The purpose was to estimate the thermal potential to multi-stage a combined heat and power boiler by integration therein of a communicating gasification reactor, which utilizes heat from the combustion, and to analyze how different construction parameters influence the homogeneity of the gas temperature field. LÄS MER