Blar i Institutt for energi og prosessteknikk på tittel

Viser treff 3572-3591 av 4143

    • Sustainable energy planning as a co-creative governance challenge. Lessons from the Zero Village Bergen 

      Gohari, Savis; Larssæther, Stig (Journal article; Peer reviewed, 2019)
      Sustainable energy transition implies different, but interlinked strategies, technologies and policy interventions, implying a complex array of overlapping systems that are shaped by the intervention of diverse actors. The ...

    • Sustainable Energy Systems for Sounder USV 

      Øyan, Hedda Gunnarsson; Petterson, Sigurd Fluge; Berg, Marius; Brautaset, Knut-Magnus (Bachelor thesis, 2022)
      Verden står ovenfor en utfordring relatert til klimagass utslipp. Flere energikrevende sektorer er nødt til å redusere sitt utslipp. Per i dag, er 900 millioner tonn klimagassutslipp tilknyttet den maritime sektoren, da ...

    • The sustainable materials roadmap 

      Titirici, Magda; Baird, Sterling G; Sparks, Taylor D; Yang, Shirley Min; Brandt-Talbot, Agnieszka; Hosseinaei, Omid; Harper, David P; Parker, Richard M; Vignolini, Silvia; Berglund, Lars A; Li, Yuanyuan; Gao, Huai-Ling; Mao, Li-Bo; Yu, Shu-Hong; Díez, Noel; Ferrero, Guillermo A; Sevilla, Marta; Szilágyi, Petra Ágota; Stubbs, Connor J; Worch, Joshua C; Huang, Yunping; Luscombe, Christine K; Lee, Koon-Yang; Luo, Hui; Platts, M.J.; Tiwari, Devendra; Kovalevskiy, Dmitry; Fermin, David J; Au, Heather; Alptekin, Hande; Crespo-Ribadeneyra, Maria; Ting, Valeska P; Fellinger, Tim-Patrick; Barrio, Jesús; Westhead, Olivia; Roy, Claudie; Stephens, Ifan E L; Nicolae, Sabina Alexandra; Sarma, Saurav Ch; Oates, Rose P; Wang, Chen-Gang; Li, Zibiao; Loh, Xian Jun; Myers, Rupert J; Heeren, Niko; Grégoire, Alice; Périssé, Clément; Zhao, Xiaoying; Vodovotz, Yael; Earley, Becky; Finnveden, Göran; Björklund, Anna; Harper, Gavin D J; Walton, Allan; Anderson, Paul A (Peer reviewed; Journal article, 2022)
      Over the past 150 years, our ability to produce and transform engineered materials has been responsible for our current high standards of living, especially in developed economies. However, we must carefully think of the ...

    • Sustainable optimization of global aquatic omega-3 supply chain could substantially narrow the nutrient gap 

      Shepon, Alon; Makov, Tamar; Hamilton, Helen Ann; Mueller, Daniel Beat; Gephart, Jessica A.; Henriksson, Patrik John Gustav; Troell, Max; Golden, Christopher D. (Peer reviewed; Journal article, 2022)
      Omega-3 EPA and DHA fatty acids are vital for human health, but current human nutritional requirements are greater than supply. This nutrient gap is poised to increase as demand increases and the abundance of aquatic foods ...

    • SUSTAINABLE PRODUCTION OF FISH PROTEIN HYDROLYSATES: OVERALL SYSTEM ARCHITECTURE AND FOOTPRINT 

      Sherman, Prem Kumar (Master thesis, 2022)
      Nå for tiden er det en voksende interesse for å bruke restmaterialer fra fiskeproduksjon på en mer økonomisk måte. Fiskeproteinet hydrolysat (FPH) blir produsert av avfallet og får økende bruksområder i mat- og ...

    • Svingekammer eller luftputekammere i vannkraftverk 

      Røse, Torunn Engen (Master thesis, 2015)
      Hensikten med oppgaven er å finne en optimal løsning for Sauland kraftverk med tanke på systemdynamikk og stabilitet. Dette innebærer blant annet å sammenligne en luftputeløsning og en svingekammerløsning for hvert av de ...

    • Swimming pool heating technology: A state-of-the-art review 

      Li, Yantong; Nord, Natasa; Huang, Gongsheng; Li, Xin (Peer reviewed; Journal article, 2020)
      A large amount of heat is needed to maintain the thermal comfort of both indoor and outdoor swimming pools in cold seasons. This motivates the development of various heating technologies aiming to reduce energy use, as ...

    • Swirl-Bypass Nozzle for CO2 Two-Phase Ejectors: Numerical Design Exploration 

      Ringstad, Knut Emil; Banasiak, Krzysztof; Ervik, Åsmund; Hafner, Armin (Journal article; Peer reviewed, 2022)
      In this work, a novel ejector design concept of a swirl-bypass nozzle is proposed to improve off-design performance of CO2 two-phase ejectors. The swirl-bypass nozzle allows part of the flow to bypass into the ejector ...

    • Symmetry breaking modelling for azimuthal combustion dynamics 

      Ghirardo, Giulio; Nygård, Håkon Tormodsen; Cuquel, Alexis; Worth, Nicholas (Peer reviewed; Journal article, 2020)
      Annular combustors can exhibit azimuthal thermoacoustic instabilities, which can rotate as a spinning wave at the speed of sound in the azimuthal direction, oscillate as a standing wave with pressure nodes fixed in space, ...

    • Symmetry-breaking in thermoacoustics: Theory and experimental validation on an annular system with electroacoustic feedback 

      Humbert, Sylvain; Moeck, Jonas; Paschereit, Oliver; Orchini, Alessandro (Peer reviewed; Journal article, 2023)
      In this study, we investigate experimentally the linear and nonlinear thermoacoustic response of an annular combustor model with electroacoustic feedback to study the effects that various types of asymmetric modifications ...

    • Symptoms of anxiety and depression and risk of atrial fibrillation-the HUNT study 

      Feng, Tingting; Malmo, Vegard; Laugsand, Lars Erik; Strand, Linn B; Gustad, Lise; Ellekjær, Hanne; Loennechen, Jan Pål; Mukamal, Kenneth; Janszky, Imre (Peer reviewed; Journal article, 2019)
      Background Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. Anxiety and depression may activate the autonomic nervous system which is likely to play an important role in the etiology of AF. However, ...

    • Synconn_build: A python based synthetic dataset generator for testing and validating control-oriented neural networks for building dynamics prediction 

      Chaudhary, Gaurav; Johra, Hicham; Georges, Laurent Francis Ghislain; Austbø, Bjørn (Peer reviewed; Journal article, 2023)
      Applying model-based predictive control in buildings requires a control-oriented model capable of learning how various control actions influence building dynamics, such as indoor air temperature and energy use. However, ...

    • Synergies in Heat, Power and Hydrogen by Integrating a Power Plant and an Oil Refinery 

      Kjellevold, Line Liland (Master thesis, 2007)
      The refineries need for hydrogen in hydrotreatment is increasing due to stricter environmental legislation and changes in product demand. At the same time the production of hydrogen in the reformers within the refineries ...

    • Synthesis of Heat-Integrated Water Networks with exergo-economic criteria 

      Ibric, Nidret; Adams, Thomas Alan; Gundersen, Truls (Peer reviewed; Journal article, 2023)
      This paper considers the exergy analysis of Heat-Integrated Water Networks (HIWNs) rarely addressed in the literature. Two objective functions were analyzed, with the first minimizing the total annualized cost (TAC) and ...

    • Synthesis of PVA/CeO2 based nanocomposites with tuned refractive index and reduced absorption edge: Structural and optical studies 

      Aziz, S. B.; Dannoun, E. M. A.; Tahir, D. A.; Hussein, S. A.; Abdulwahid, R. T.; Nofal, M. M.; Abdullah, R. M.; Hussein, A. M.; Brevik, Iver Håkon (Peer reviewed; Journal article, 2021)
      n the current study, polymer nanocomposites (NCPs) based on poly (vinyl alcohol) (PVA) with altered refractive index and absorption edge were synthesized by means of a solution cast technique. The characterization techniques ...

    • Synthesized indicator for evaluating security of strategic minerals in China: A case study of lithium 

      Zhou, Na; Wu, Qiaosheng; Hu, Xiangping; Zhu, Yongguang; Su, Hui; Xue, Shuangjiao (Peer reviewed; Journal article, 2020)
      The transition of the economic growth in China from high-speed to high-quality development provides new challenges to strategic minerals (SMs) security. Under the transition, combined with its development status, but also ...

    • System Analysis of a Multi-Plant Sawmill Company. Application to inform logistics. 

      Las Heras Hernández, Miguel (Master thesis, 2021)
      The current level of system understanding about the sawmill industry in central Norway requires an improvement to allow a robust assessment of the forestry industry in the region, which is required for the bioeconomy-boosting ...

    • System Approach and Metrics for Determining Steel Recovery from End-of-Life Infrastructures: Case study road and rail infrastructures 

      Chahkandi, Mahsa (Master thesis, 2014)
      Producing steel from scrap has several environmental benefits compared to producing steel from virgin iron ore. Studies show that the energy consumption by secondary route to produce one ton of crude steel is between 9.1 ...

    • System model derivation of the CO2 two-phase ejector based on the CFD-based reduced-order model 

      Haida, Michal; Smolka, Jacek; Hafner, Armin; Ostrowski, Zeimowit; Palacz, Michal; Nowak, Andrzej J.; Banasiak, Krzysztof (Journal article; Peer reviewed, 2017)
      The developed reduced-order model (ROM) of the R744 two-phase ejector was presented in this paper. The proper orthogonal decomposition (POD) model was employed together with the radial basis function (RBF) to evaluate the ...

    • System, methods and credible data for calculating primary energy efficiency for energy systems with special focus on energy systems applying CHP-technology with bio based fuel 

      Berner, Monica (Doktoravhandlinger ved NTNU, 1503-8181; 2014:112, Doctoral thesis, 2014)
      During the last few decades, reduced energy consumption, increased energy efficiency and utilization of renewable energy have gained interest while different energy efficient energy conversion technologies have matured. ...