• Electrical Machines and Power Electronics for Starter-Generators in More Electric Aircrafts: A Technology Review 

      Nøland, Jonas Kristiansen; Leandro, Matteo; Suul, Jon Are Wold; Molinas Cabrera, Maria Marta; Nilssen, Robert (Chapter, 2019)
      Safety-critical power conversion systems play a major role in the paradigm shift towards more electric aircraft (MEA) architectures. This paper reviews the electrical machines and their power electronic systems that are ...
    • Electrical resistivity measurements in steel fibre reinforced cementitious materials 

      Berrocal, Carlos G.; Hornbostel, Karla; Geiker, Mette Rica; Löfgren, Ingemar; Lundgren, Karin; Bekas, Dimitrios G. (Journal article; Peer reviewed, 2018)
      This paper reports results from experiments aimed at better understanding the influence of fibre dosage and fibre geometry on the AC frequency needed to determine the DC resistivity of cementitious materials containing ...
    • Electrical Resistivity of Carbonaceous Bed Material at High Temperature 

      Surup, Gerrit Ralf; Pedersen, Tommy Andre; Chaldien, Annah; Beukes, Johan Paul; Tangstad, Merete (Peer reviewed; Journal article, 2020)
      This study reports the effect of high-temperature treatment on the electrical properties of charcoal, coal, and coke. The electrical resistivity of industrial charcoal samples used as a reducing agent in electric arc ...
    • Electrical Resistivity of Transformed Carbon Materials in the Silicon Furnace 

      Hoover, Haley; Sævarsdottir, Gudrun; Tangstad, Merete (Chapter, 2022)
      Optimal current paths through the silicon furnace depend on the electrical properties of the charge materials. It is essential for good tapping conditions that sufficient current is supplied to the arc and lower part of ...
    • Electrical Treeing and Partial Discharge Behaviour in Epoxy Nanocomposites with in situ Synthesized SiO2 

      Adnan, Mohammed Mostafa; Ve, Torbjørn Andersen; Hvidsten, Sverre; Ese, Marit-Helen Glomm; Glaum, Julia; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2023)
      The electrical treeing resistance of epoxy-SiO2 nanocomposites prepared by synthesizing functionalized SiO2 nanoparticles directly in epoxy was investigated and compared to pure epoxy (diglycidyl ether of bisphenol-A). ...
    • Electrically driven Bose-Einstein condensation of magnons in antiferromagnets 

      Fjærbu, Eirik Løhaugen; Rohling, Niklas; Brataas, Arne (Journal article; Peer reviewed, 2017)
      We explore routes to realize electrically driven Bose-Einstein condensation of magnons in insulating antiferromagnets. Even in insulating antiferromagnets, the localized spins can strongly couple to itinerant spins in ...
    • Electrically Tunable Perfect Terahertz Absorber Using Embedded Combline Graphene Layer 

      Maghoul, Amir; Rostami, Ali; Barzinjy, Azeez Abdullah; Mirtaheri, Peyman (Journal article; Peer reviewed, 2021)
      Graphene is a powerful 2-D matter with the capability of extraordinary transparency, and tunable conductivity is employed in emerging optoelectronics devices. In this article, the design of an electrically tunable ...
    • Electricity analysis for energy management in neighbourhoods: Case study of a large housing cooperative in Norway 

      Sørensen, Åse Lekang; Sartori, Igor; Lindberg, Karen Byskov; Andresen, Inger (Journal article; Peer reviewed, 2019)
      As a basis for energy management in apartment blocks, this paper characterises electricity use in a Norwegian housing cooperative with 1,058 apartments. In 2018, the average specific electricity delivery to apartments and ...
    • Electricity capacity expansion in a Cournot duopoly 

      Brøndbo, Helene Kvilhaug; Storebø, Alexander; Fleten, Stein-Erik; Boomsma, Trine Krogh (Journal article; Peer reviewed, 2017)
      This paper adopts a real options approach to analyze marginal investments in power markets with heterogeneous technologies and time-varying demand. We compare the investment behavior of two firms in a Cournot duopoly to a ...
    • Electricity futures prices: time-varying sensitivity to fundamentals 

      Fleten, Stein-Erik; Huisman, Ronald; Kilic, Mehtap; Pennings, Enrico; Westgaard, Sjur (Journal article, 2015)
      This paper provides insight into the time-varying relation between electricity futures prices and fundamentals in the form of contract prices for fossil fuels. As supply curves are not constant and different producers have ...
    • Electrischer Prometheus. Umrisse einer Dritten Kultur im interdisziplinären Zusammenspiel zwischen Literatur und Naturwissenschaft 

      Neumann, Bernd Otto (Book, 2021)
      In diesem Open-Access-band geht es um die Thematisierung des Verhältnisses zwischen den gegenwärtig getrennten „Zwei Kulturen“ und Umrisse ihrer neuen Synthese in Richtung auf eine zeitgenössische, auf Interdisziplinarität ...
    • Electro active repair of concrete demonstration of applicability 

      Polder, Rob; Geiker, Mette Rica (Chapter, 2017)
      Conventional concrete patch repairs have poor durability: 50% fail within ten years. A major cause is insufficient removal of contaminated concrete and insufficient steel cleaning. Chlorides left behind reactivate the ...
    • Electro-absorption of silicene and bilayer graphene quantum dots 

      Abdelsalam, H.; Talaat, M.H.; Lukyanchuk, I.; Portnoi, M.E.; Saroka, Vasil (Journal article; Peer reviewed, 2016)
      We study numerically the optical properties of low-buckled silicene and AB-stacked bilayer graphene quantum dots subjected to an external electric field, which is normal to their surface. Within the tight-binding model, ...
    • Electro-hydrodynamic propulsion of counter-rotating Pickering drops 

      Dommersnes, Paul Gunnar; Mikkelsen, Alexander; Fossum, Jon Otto (Journal article; Peer reviewed, 2016)
      Insulating particles or drops suspended in carrier liquids may start to rotate with a constant frequency when subjected to a uniform DC electric field. This is known as the Quincke rotation electro-hydrodynamic instability. ...
    • Electro-optical properties of phoshorene quantum dots 

      Saroka, Vasil; Lukyanchuk, I.; Portnoi, M.E.; Abdelsalam, H. (Journal article; Peer reviewed, 2017)
      We study electronic and optical properties of single layer phosphorene quantum dots with various shapes, sizes, and edge types (including disordered edges) subjected to an external electric field normal to the structure ...
    • Electro-thermal Design of a Solid-State MVDC Circuit Breaker 

      Giannakis, Andreas; Peftitsis, Dimosthenis (Chapter, 2019)
      This paper investigates the impact of several design parameters on the electro-thermal performance of a solid-state circuit breaker (CB) for medium voltage DC (MVDC) grids. The parameters studied are the cooling system ...
    • Electrochemical activation of a diatom-derived SiO<inf>2</inf>/C composite anode and its implementation in a lithium ion battery 

      Renman, Viktor; Blanco, Maria Valeria; Norberg, Andreas Nicolai; Vullum-Bruer, Fride; Svensson, Ann Mari (Peer reviewed; Journal article, 2021)
      Nano-architectured silica is extracted from algae harvested in the ocean. Its electrochemical properties are investigated as an anode material for lithium ion batteries. The beneficial effect of a carbon coating formed by ...
    • Electrochemical Behavior of Tin in Molten LiCl-KCl at 450 ℃ 

      Qin, Bo; Cui, Peng; Martinez, Ana Maria Cuellar; Haarberg, Geir Martin (Journal article; Peer reviewed, 2019)
      The electrochemical behavior of tin was studied with cyclic voltammetry at glassy carbon electrodes in the fused LiCl-KCl at 450 ℃. Metallic tin deposition on the glassy carbon electrode occurs at a potential of around ...
    • Electrochemical Behaviour of Carbon Anodes Produced with Different Mixing Temperatures and Baking Levels—A Laboratory Study 

      Sommerseth, Camilla; Thorne, Rebecca Jayne; Gebarowski, Wojciech; Ratvik, Arne Petter; Rørvik, Stein; Linga, Hogne; Lossius, Lorentz Petter; Svensson, Ann Mari (Chapter, 2019)
      Anodes fabricated from a single source coke were used for investigations of effect of porosity and surface roughness on the electrochemical performance in laboratory scale cells. In order to fabricate anodes differing in ...
    • Electrochemical behaviour of dissolved iron chloride in KCl+LiCl+NaCl melt at 550 ºC 

      Khalaghi, Babak; Kvalheim, Eirin; Tokushige, Manabu; Teng, Lidong; Seetharaman, S.; Haarberg, Geir Martin (Journal article, 2014)
      An electrochemical study of iron was carried out in KCl+LiCl+NaCl melt at 550ºC using a glassy carbon working electrode. Cyclic voltammetry showed that the Fe(II)/Fe(0) electron exchange is a soluble/insoluble reversible ...