Search for dissertations about: "termiska nätverk"

Showing result 6 - 9 of 9 swedish dissertations containing the words termiska nätverk.

  2. 6. As-cast AZ91D magnesium alloy properties : Effects of microstructure and temperature

    Author : Hoda Dini; Anders E.W. Jarfors; Nils-Eric Andersson; Jönköping University; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Magnesium; Magnesium Alloy; AZ91D; High-Pressure Die-Casting; Mechanical Property; Microstructural Characterisation; Physical Modelling; Dislocations; Distortion; Residual Stress; Magnesium; Magnesiumlegering; AZ91D; Pressgjutna; Mekanisk Egenskap; Mikrostrukturkarakterisering; Fysikalisk Modellering; Flytspänning; Dislokationer; Geometrisk Tolerans; Restspänning;

    Abstract : Today, there is an essential need for lightweight, energy-efficient, environmentally benign engineering systems, and this is the driving force behind the development of a wide range of structural and functional materials for energy generation, energy storage, propulsion, and transportation. These challenges have motivated the use of magnesium alloys for lightweight structural systems. READ MORE

  4. 7. Exploiting the Synergies from Coupled Electricity and Heat Distribution Networks : Modelling, simulation and optimization based on an extended energy hub approach

    Author : Getnet Tadesse Ayele; Björn Laumert; Joachim Claesson; Bruno Lacarrière; Pierrick Haurant; Filip Johnsson; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; District heating networks; Electricity distribution networks; Extended energy hub approach; Integrated load flow study; Integrated optimal power flow; Multi-carrier energy networks; Multi-energy system; Optimal placement; Thermal storage.; Hub énergétique étendu; Flux de charges; Flux de puissances intégrées optimaux; Réseaux énergétiques multi-vecteurs; Système multi-énergies; Placement optimal.; Fjärrvärmenät; Elektricitetsdistributionsnät; Utökad strategi för energihub; Integrerad belastningsstudie; Integrerat optimalt effektflöde; Energinät med flera bärare; Multi-energisystem; Optimal placering; Termisk lagring.; Energy Technology; Energiteknik;

    Abstract : Recent literature shows that there is a significant potential of decarbonisation and efficiency improvement that can be achieved through the synergy from multi-energy systems (MESs). Coupling technologies, such as co-generation plants, heat pumps and thermal storages are widely recommended as means of unlocking additional flexibility and increasing the penetration of renewables in the heating and electricity sectors. READ MORE

  5. 8. Proton-Conducting Sulfonated and Phosphonated Polymers and Fuel Cell Membranes by Chemical Modification of Polysulfones

    Author : Benoit Lafitte; Centrum för analys och syntes; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Macromolecular chemistry; Makromolekylär kemi; Material technology; Materiallära; materialteknik; chemical modification; lithiation; fuel cells; polyelectrolyte; sulfonated polymers; proton-conducting polymer membranes polysulfone; phosphonated polymers;

    Abstract : The proton exchange membrane fuel cell (PEMFC) is currently emerging as an efficient and environmentally friendly power source. The technology is very complex and relies ultimately on materials and components which need further development. READ MORE

  6. 9. Plasticization of Biobased Polymers: A Combined Experimental and Simulation Approach

    Author : Hüsamettin Deniz Özeren; Mikael S. Hedenqvist; Richard Olsson; Fritjof Nilsson; Kim Bolton; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; plasticization; starch; gluten; simulation; molecular dynamics; glycerol; mjukgörning; stärkelse; gluten; simulering; molekyldynamik; glycerol; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Abstract : The field of bio-based plastics has developed significantly in recent decades and there is an increasing demand for industries to shift from petrochemical to biobased polymers. Biobased polymers offer competitive properties, and in many cases have advantages in terms of cost. READ MORE