Blar i Institutt for energi og prosessteknikk på tittel

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    • LCA of biogas/biofuel production from organic waste substrates under Danish and Polish conditions 

      Danielsson, Stefan Emil (Master thesis, 2015)
      Anaerobic digestion (AD) of organic waste and manure in Denmark (DK) and Poland (PL) is in expansion and it is believed to contribute considerably to reaching the EU goals on reducing CO2 and establishing a sustainable ...

    • LCA of different concepts for Leisure Home Buildings with frost safe sanitary installations 

      Bratteberg, Torbjørn (Master thesis, 2010)
      The aim of the present work was to perform a life cycle analysis and life cycle cost analysis for several building constructions with different frost-safe sanitary installations and methods for energy supply. The deduction ...

    • LCA of recycling aluminium incineration bottom ash, dross and shavings in a rotary furnace and environmental benefits of salt-slag valorisation 

      Vallejo Olivares, Alicia; Vallés, Elisa Pastor; Pettersen, Johan Berg; Tranell, Maria Gabriella (Peer reviewed; Journal article, 2024)
      Recycling aluminium in a rotary furnace with salt-fluxes allows recovering valuable alloys from hard-to-recycle waste/side-streams such as packaging, dross and incinerator bottom ash. However, this recycling route generates ...

    • LCA of Transportation Biofuels 

      Adlam, Elisabeth (Master thesis, 2007)
      An increasing need to find alternatives to fossil fuels, and a growing awareness of the global warming effect has resulted in substantial research and development on biofuels. Biofuels are being considered a potential ...

    • LCA of Unmanned Aerial Vehicle Delivery 

      Huang, Baitong (Master thesis, 2022)
      Widespread adoption of UAVs to replace some traditional fright modes (e.g., trucks and vehicles) could reshape the energy system and reduce carbon emissions by decreasing the total energy demand and by shifting a portion ...

    • LCC analyse av ulike VAV- og DCV- systemløsninger og installasjoner: En kvalitativ og kvantitativ studie 

      Stølen, Erling Viljugrein (Master thesis, 2014)
      Fokus på energibruk i norsk bygningsmasse er økende, og det er varslet at de nye tekniske forskriftene (TEK15) som er ventet til neste år tar sikte mot at energibruk i ny bygningsmasse skal tilsvare passivhuskravene. ...

    • LCIA framework and cross-cutting issues guidance within the UNEP-SETAC Life Cycle Initiative 

      Verones, Francesca; Bare, Jane; Bulle, Cecile; Frischknecht, Rolf; Hauschild, Michael; Hellweg, Stefanie; Henderson, Andrew; Jolliet, Olivier; Laurent, Alexis; Liao, Xun; Lindner, Jan Paul; Maia de Souza, Danielle; Michelsen, Ottar; Patouillard, Laure; Pfister, Stephan; Posthuma, Leo; Prado, Valentina; Ridoutt, Bradley G.; Rosenbaum, Ralph K; Sala, Serenella; Ugaya, Cassia; Vieira, Marisa; Fantke, Peter (Journal article; Peer reviewed, 2017)
      Increasing needs for decision support and advances in scientific knowledge within life cycle assessment (LCA) led to substantial efforts to provide global guidance on environmental life cycle impact assessment (LCIA) ...

    • LDV Measurements in Centrifugal Pump Diffuser 

      Bjørgen, Karl Oskar Pires (Master thesis, 2015)
      This thesis describes experimental research on the flow inside a vaned diffuser of a centrifugal pump. The measurements were conducted inside one of the ten curved diffuser channels on the single-stage centrifugal pump ...

    • Leakage Vortex Progression through a Guide Vane’s Clearance Gap and the Resulting Pressure Fluctuation in a Francis Turbine 

      Acharya, Nirmal; Gautam, Saroj; Chitrakar, Sailesh; Trivedi, Chirag; Dahlhaug, Ole Gunnar (Peer reviewed; Journal article, 2021)
      A clearance gap (CG) between guide vanes (GVs) and facing plates exists at both ends of a Francis turbine and allows the opening angle to be adjusted for varying operating conditions. Leakage flow is induced through this ...

    • The legacy environmental footprints of manufactured capital 

      Wang, Ranran; Hertwich, Edgar G.; Fishman, Tomer; Deetman, Sebastiaan; Behrens, Paul; Chen, Wei-Qiang; de Koning, Arjan; Xu, Ming; Matus, Kira; Ward, Hauke; Tukker, Arnold; Zimmerman, Julie B. (Journal article, 2023)
      The foundations of today’s societies are provided by manufactured capital accumulation driven by investment decisions through time. Reconceiving how the manufactured assets are harnessed in the production–consumption system ...

    • Lessons learned from an experimental campaign on promoting energy content of renewable biogas by injecting H2 during anaerobic digestion 

      Sarker, Shiplu; Wijnsma, Sander; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2020)
      Direct injection of H2 to an anaerobic reactor enables biological fixation of CO2 into CH4 (biomethanation) and consequently boosts methane content in the produced biogas. However, there has been only a small amount of ...

    • Lettvektspotensialet for brenselceller i fly. 

      Dunne, Ronan Njøs; Darwish, Halem Suleiman; Heggland, Tord Vincent (Bachelor thesis, 2022)
      Luftfartssektoren opplever et skifte mot bærekraftig flyreise med en fokus på fremdriftssystemer drevet av fornybar energi. Brenselceller er et område som blir sett på for bruk i kommersielle fly. Solid Oxide brenselceller ...

    • Leveraging opportunity of low carbon transition by super-emitter cities in China 

      Zheng, Heran; Zhang, Zengkai; Dietzenbacher, Erik; Zhou, Ya; Többen, Johannes Reinhard; Feng, Kuishuang; Moran, Daniel; Jiang, Meng; Shan, Yuli; Wang, Daoping; Liu, Xiaoyu; Li, Li; Zhao, Dandan; Meng, Jing; Ou, Jiamin; Guan, Dabo (Peer reviewed; Journal article, 2023)
      Chinese cities are core in the national carbon mitigation and largely affect global decarbonisation initiatives, yet disparities between cities challenge country-wide progress. Low-carbon transition should preferably lead ...

    • LiB Ageing Mechanisms and Energy Storage Replacement/Expansion in Marine Vessels 

      Kidane, Reem Haile; Myklebust, Jørgen; Steinsund, Bjarte (Bachelor thesis, 2022)
      For å motverke klimaendringane, utvikle teknologi og senke kostnadar, så har ei rekkje elektriske ferjer vore sett i drift langs den norske kysten. Litium-ion batteri er teknologien som vert nytta til å lagre energi om ...

    • LIB thermal regulation with PCM 

      Homnes, Fredrik Brodal; Sandvik, Sigurd; Saugen, Joakim (Bachelor thesis, 2023)
      Litium-ionbatterier (LIB) øker i etterspørsel og etter hvert som de blir tilpasset flere bruksområder må også kjøleteknologien tilpasses. Revolve NTNU er en studentorganisasjon som designer og konstruerer elektriske ...

    • Lidars for Wind Tunnels - an IRPWind Joint Experiment Project 

      Sjöholm, Mikael; Vignaroli, Andrea; Angelou, Nikolas; Nielsen, Morten Busk; Mann, Jakob; Mikkelsen, Torben; Bolstad, Hans Christian; Merz, Karl Otto; Sætran, Lars Roar; Mühle, Franz Volker; Tiihonen, Mikko; Lethomäki, Ville (Journal article; Peer reviewed, 2017)
      Measurement campaigns with continuous-wave Doppler Lidars (Light detection and ranging) developed at DTU Wind Energy in Denmark were performed in two very different wind tunnels. Firstly, a measurement campaign in a small ...

    • Life cycle analysis of GHG emissions from the building retrofitting: The case of a Norwegian office building 

      Rabani, Mehrdad; Madessa, Habtamu Bayera; Ljungström, Malin; Aamodt, Lene; Løvvold, Sandra; Nord, Natasa (Peer reviewed; Journal article, 2021)
      Through a systematic study, this paper conducted a life cycle assessment (LCA) consisting of evaluation of both embodied and operational emissions of different building retrofitting scenarios for a typical office building, ...

    • Life Cycle Analysis of remediation and utilization of bauxite residue: Evaluation of technologies from a location perspective. 

      Gjedde, Philip (Master thesis, 2021)
      Bauxit rester eller redmud er gruvedriften rester (tailing) fra Bayer-prosessen med bauxittmalm, og med 4,6 milliarder tonn i reserver av farlige avfallsverdier er det nødvendig å inkludere det som restressurs i sirkulær ...

    • Life cycle assessment demonstrates environmental co-benefits and trade-offs of low-carbon electricity supply options 

      Gibon, Thomas; Arvesen, Anders; Hertwich, Edgar G. (Journal article; Peer reviewed, 2017)
      The targeted transition towards an electricity system with low or even negative greenhouse gas emissions affords a chance to address other environmental concerns as well, but may potentially have to adjust to the limited ...

    • Life Cycle Assessment of a Lithium-Ion Battery Vehicle Pack 

      Ellingsen, Linda Ager-Wick; Majeau-Bettez, Guillaume; Singh, Bhawna; Srivastava, Akhilesh Kumar; Valøen, Lars Ole; Strømman, Anders Hammer (Journal article; Peer reviewed, 2014)
      Electric vehicles have no tailpipe emissions, but the production of their batteries leads to environmental burdens. In order to avoid problem-shifting, a life cycle perspective should be applied in the environmental ...