• Waste heat to Hydrogen using Reverse Electrodialysis 

  Raka, Yash Dharmendra (Doctoral theses at NTNU;22021:169, Doctoral thesis, 2021)

  In current times the research across the globe is focused on carbon-free energy sources that can drive the economy in future. One of the promising ways to achieve this is to have demand-based sustainable energy storage ...

• Online measurements of fluoride ions in proton exchange membrane water electrolysis through ion chromatography 

  Marocco, Paolo; Sundseth, Kyrre; Aarhaug, Thor Anders; Lanzini, Andrea; Santarelli, Massimo; Barnett, Alejandro Oyarce; Thomassen, Magnus (Peer reviewed; Journal article, 2021)

  This work investigates the online monitoring of fluoride ion concentration in proton exchange membrane water electrolysers (PEMWE) effluent water using an automated ion chromatography (IC) setup. Prototype catalyst coated ...

• Inertial torque on a small spheroid in a stationary uniform flow 

  Jiang, Fengjian; Lihao, Zhao; Andersson, Helge Ingolf; Gustavsson, Kristian; Pumir, Alain; Mehlig, Bernhard (Peer reviewed; Journal article, 2021)

  How anisotropic particles rotate and orient in a flow depends on the hydrodynamic torque they experience. Here we compute the torque acting on a small spheroid in a uniform flow by numerically solving the Navier-Stokes ...

• Sonochemical and sonoelectrochemical conversion of CO2 into hydrocarbons 

  Islam, Md Hujjatul (Doctoral theses at NTNU;2021:158, Doctoral thesis, 2021)

  Carbon dioxide (CO2) is one of the major greenhouse gas (GHG) contributors to global climate change. Combustion of fossil fuels accounts for approximately 80-90 % of the global CO2 emission, which over the last decade, has ...

• Optimal combination of bioenergy and solar photovoltaic for renewable energy production on abandoned cropland 

  Leirpoll, Malene Eldegard; Næss, Jan Sandstad; Cavalett, Otávio; Dorber, Martin; Hu, Xiangping; Cherubini, Francesco (Peer reviewed; Journal article, 2021)

  Ambitious climate change mitigation scenarios require large-scale deployment of bioenergy and solar photovoltaics. Utilizing recently abandoned cropland for renewable energy production is a promising option for energy ...

• Cascaded Organic Rankine Cycles (ORCs) for Simultaneous Utilization of Liquified Natural Gas (LNG) Cold Energy and Low-Temperature Waste Heat 

  Liu, Fuyu; Hu, Xiangping; Yu, Haoshui; Zhang, Baosheng (Peer reviewed; Journal article, 2020)

  Liquified Natural Gas (LNG) is a good way to transport natural gas from suppliers to end consumers. LNG contains a huge amount of cold energy due to the energy consumed in the liquefaction process. Generally, the LNG cold ...

• CuO–NiO/Co3O4 hybrid nanoplates as highly active catalyst for ammonia borane hydrolysis 

  Liao, Jinyun; Feng, Yufa; Lin, Weimin; Su, Xinlong; Ji, Shan; Li, Liling; Zhang, Wanling; Pollet, Bruno; Li, Hao (Peer reviewed; Journal article, 2020)

  Dehydrogenation of hydrogen-rich chemicals, such as ammonia borane (AB), is a promising way to produce hydrogen for mobile fuel cell power systems. However, the practical application has been impeded due to the high cost ...

• Effect of T-groove Parameters on Steady-State Characteristics of Cylindrical Gas Seal 

  Sun, Junfeng; Liu, Meihong; Xu, Zhen; Liao, Taohong; Hu, Xiangping (Peer reviewed; Journal article, 2020)

  Gas film seal technology is becoming increasingly important as an advanced new rotary shaft seal technology in aviation engines and industrial gas turbines. In this paper the impacts of several parameters of T-groove ...

• Chemical Potential Differences in the Macroscopic Limit from Fluctuations in Small Systems 

  Bråten, Vilde; Wilhelmsen, Øivind; Schnell, Sondre Kvalvåg (Peer reviewed; Journal article, 2021)

  We present a new method for computing chemical potential differences of macroscopic systems by sampling fluctuations in small systems. The small system method, presented by Schnell et al. [Schnell et al., J. Phys. Chem. ...

• The effect of Stefan flow on Nusselt number and drag coefficient of spherical particles in non-isothermal gas flow 

  Jayawickrama, Thamali R.; Haugen, Nils Erland L; Bäbler, Matthâus Ulrich; Chishty, Muhammad Aqib; Umeki, Kentaro (Peer reviewed; Journal article, 2021)

  A Stefan flow can be generated during a phase change or reactions of a particle immersed in a fluid. This study investigates the effect of Stefan flow on the exchange of momentum (drag coefficient (CD)) and heat transfer ...

• A novel monitoring and modelling technique for energy-related occupant behaviour 

  Dziedzic, Jakub Wladyslaw (Doctoral theses at NTNU;2021:143, Doctoral thesis, 2021)

  The present work focuses on the development of a novel application that aims to better understand energy-related indoor occupant behaviour (OB). The thesis briefly introduces the key features of OB, presents the current ...

• Optimal scheduling of flexible thermal power plants with lifetime enhancement under uncertainty 

  Rúa, Jairo; Verheyleweghen, Adriaen; Jäschke, Johannes; Nord, Lars O. (Peer reviewed; Journal article, 2021)

  Renewable energy sources have been the focal point to decarbonise the power sector. The large deployment of these intermittent power generation units requires mechanisms to balance the grid. Thermal power plants can provide ...

• A metric for spatially explicit contributions to science-based species targets 

  Mair, Louise; Bennun, L; Brooks, Thomas M.; Butchart, Stuart H. M.; Bolam, Friederike C.; Burgess, N.D.; Ekström, J; Milner-Gulland, E. J.; Hoffmann, M; Ma, K; Macfarlane, Nicholas; Raimondo, D C; Rodrigues, ASL; Shen, X; Strassburg, Bernardo BN; Beatty, C R; Gómez-Creutzberg, C; Iribarrem, A; Irmadhiany, M; Lacerda, Eliana; Mattos, B C; Parakkasi, K; Tognelli, M F; Bennett, E; Bryan, C; Carbone, Giulia; Chaudhary, Abhishek; Eiselin, M; da Fonseca, GAB; Galt, R; Geschke, Arne; Glew, Louise; Goedicke, R; Green, J M H; Gregory, Richard D.; Hill, S L L; Hole, David G.; Hughes, Jonathan; Hutton, Jonathan; Keijzer, M P W; Navarro, Laetitia M.; Nic Lughadha, E; Plumptre, Andrew J.; Puydarrieux, P; Possingham, HP; Rankovic, A; Regan, E C; Rondinini, Carlo; Schneck, J D; Siikamäki, J; Sendashonga, Cyriaque N.; Seutin, G; Sinclair, Samuel Justin; Skowno, A L; Soto-Navarro, C A; Stuart, SN; Temple, HJ; Vallier, A; Verones, Francesca; Viana, L R; Watson, J; Bezeng, S; Böhm, Monika; Burfield, I J; Clausnitzer, V; Clubbe, C; Cox, N A; Freyhof, J.; Gerber, L R; Hilton-Taylor, C; Jenkins, Richard; Joolia, A; Joppa, L N; Koh, L P; Lacher, TE; Langhammer, P F; Long, Barney; Mallon, David; Pacifici, Michela; Polidoro, BA; Pollock, C M; Rivers, M C; Roach, N S; Rodríguez, J P; Smart, Jane; Young, Bruce; Hawkins, F; McGowan, Philip J. K. (Peer reviewed; Journal article, 2021)

  The Convention on Biological Diversity’s post-2020 Global Biodiversity Framework will probably include a goal to stabilize and restore the status of species. Its delivery would be facilitated by making the actions required ...

• Demonstration of Swing adsorption cluster concept (SARC) for CO2 capture 

  Dhoke, Chaitanya (Doctoral theses at NTNU;2021:148, Doctoral thesis, 2021)

  Adsorption-based post-combustion CO2 capture is enjoying significant research attention due to its wide applicability within the power and industrial sectors and its ability to retrofit existing infrastructure. Important ...

• Energy use and retrofitting potential of heat pumps in cold climate hotels 

  Smitt, Silje Marie; Tolstorebrov, Ignat; Gullo, Paride; Pardiñas, Ángel Á.; Hafner, Armin (Peer reviewed; Journal article, 2021)

  Tourism, and thereby hotels, play a crucial role in the European economy. The hotel sector features high energy consumption, which greatly contributes to the global warming effect. Thus, there is a need to investigate ...

• A novel methodology for design optimization of heat recovery steam generators with flow-induced vibration analysis 

  Deng, Han; Skaugen, Geir; Næss, Erling; Zhang, Mingjie; Øiseth, Ole Andre (Peer reviewed; Journal article, 2021)

  Design of compact, lightweight, and robust heat recovery steam generators (HRSGs) is important for the implementation of offshore bottoming cycles. In this work, a novel methodology integrating flow-induced vibration ...

• Building heating applications with phase change material: A comprehensive review 

  Li, Yantong; Nord, Natasa; Xiao, Qiangqiang; Tereshchenko, Tymofii (Peer reviewed; Journal article, 2020)

  Energy crisis and environmental problems motive a variety of research strategies to increase energy efficiency, decrease stress on energy infrastructure, and consequently reduce CO2 emissions. Improving efficiency of ...

• Path-Following Methods for Calculating Linear Surface Wave Dispersion Relations on Vertical Shear Flows 

  Maxwell, Peter; Ellingsen, Simen Andreas Ådnøy (Journal article; Peer reviewed, 2020)

  The path-following scheme in Loisel and Maxwell (SIAM J Matrix Anal Appl 39(4):1726–1749, 2018) is adapted to efficiently calculate the dispersion relation curve for linear surface waves on an arbitrary vertical shear ...

• Study of pressure pulsations in a Francis turbine designed for frequent start-stop 

  Trivedi, Chirag (Journal article, 2021)

  The energy market aims for high flexibility that allows guaranteed power to the consumers with minimum carbon footprint. Over the last three decades, hydropower has been a reliable and an efficient option to meet the ...

• Model predictive control for combined cycles integrated with CO2 capture plants 

  Rúa, Jairo; Nord, Lars O.; Hillestad, Magne (Peer reviewed; Journal article, 2021)

  Flexible thermal power plants integrated with CO2 capture systems can balance the intermittent power generation of renewable energy sources with low-carbon electricity. Among these power systems, natural gas combined cycles ...

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