Now showing items 20295-20314 of 37394

    • A low-cost vibration isolation chamber – Making high precision experiments accessible 

      Vestad, Håvard; Steinert, Martin (Peer reviewed; Journal article, 2022)
      Mechanical vibrations greatly influence sensitive instruments and experiments, yet they are unavoidable. Commercial solutions that mitigate the transfer of mechanical vibrations into experiments and instruments are often ...
    • Low-cycle fatigue behavior of 10CrNi3MoV high strength steel and its undermatched welds 

      Song, Wei; Liu, Xuesong; Berto, Filippo; Razavi, Seyed Mohammad Javad (Journal article; Peer reviewed, 2018)
      The use of high strength steel allows the design of lighter, more slender and simpler structures due to high strength and favorable ductility. Nevertheless, the increase of yield strength does not guarantee the corresponding ...
    • Low-cycle fatigue behaviour of AISI 18Ni300 maraging steel produced by selective laser melting 

      Branco, Ricardo; Costa, J.D.M.; Berto, Filippo; Razavi, Seyed Mohammad Javad; Ferreira, J.A.M.; Capela, C.; Santos, L.; Antunes, F. (Journal article; Peer reviewed, 2018)
      Selective laser melting has received a great deal of attention in recent years. Nevertheless, research has been mainly focused on the technical issues and their relationship with the final microstructure and monotonic ...
    • Low-Density EEG for Neural Activity Reconstruction Using Multivariate Empirical Mode Decomposition 

      Soler Guevara, Andres Felipe; Munoz, Pablo; Bueno-Lopez, Maximiliano; Giraldo, Eduardo; Molinas Cabrera, Maria Marta (Journal article; Peer reviewed, 2020)
      Several approaches can be used to estimate neural activity. The main differences between them concern the a priori information used and its sensitivity to high noise levels. Empirical mode decomposition (EMD) has been ...
    • Low-Density EEG for Source Activity Reconstruction using Partial Brain Models 

      Soler Guevara, Andres Felipe; Giraldo, Eduardo; Molinas Cabrera, Maria Marta (Chapter, 2020)
      Brain mapping studies have shown that the source reconstruction performs with high accuracy by using high-density EEG montages, however, several EEG devices in the market provide low-density configurations andthus source ...
    • Low-Emissivity Materials for Building Applications: A State-of-the-Art Review and Future Research Perspectives 

      Jelle, Bjørn Petter; Kalnæs, Simen Edsjø; Gao, Tao (Journal article; Peer reviewed, 2015)
      Low-emissivity (low-e) materials can be used in order to reduce energy usage in both opaque and transparent areas of a building. The main focus for low-e materials is to reduce the heat transfer through thermal radiation. ...
    • Low-energy properties of electrons and holes in CuFeS2 

      Brekke, Bjørnulf; Malyshev, Roman; Svenum, Ingeborg-Helene; Selbach, Sverre Magnus; Tybell, Per Thomas Martin; Brüne, Christoph; Brataas, Arne (Peer reviewed; Journal article, 2022)
      The antiferromagnetic semiconductor CuFeS2 belongs to a magnetic symmetry class that is of interest for spintronics applications. In addition, its crystal lattice is compatible with Si, making it possible to integrate it ...
    • Low-frequency acoustic signal created by rising air-gun bubble 

      Wehner, Daniel; Landrø, Martin (Journal article; Peer reviewed, 2017)
      In the seismic industry, there is increasing interest in generating and recording low frequencies, which leads to better data quality and can be important for full-waveform inversion. The air gun is a seismic source with ...
    • Low-frequency dynamic wake meandering: comparison of FAST.Farm and DIWA software tools 

      Rivera Arreba, Irene; Eliassen, Lene; Bachynski-Polic, Erin Elizabeth; Panjwani, Balram (Journal article; Peer reviewed, 2021)
      Most of the global dynamic response models used today for the design of wind turbines are based on the aero-hydro-servo-elastic analysis of one single turbine. However, research on bottom- fixed offshore wind turbines has ...
    • Low-frequency oscillations in flow past an inclined prolate spheroid 

      Strandenes, Håkon; Jiang, Fengjian; Pettersen, Bjørnar; Andersson, Helge Ingolf (Journal article; Peer reviewed, 2019)
      We analyse the forces on a 45∘ inclined 6:1 prolate spheroid at Reynolds number ReD = 8000. In contrast to flow at lower Reynolds numbers previously investigated, we now find a strong oscillatory behaviour in the global ...
    • Low-head pumped hydro storage: A review of applicable technologies for design, grid integration, control and modelling 

      Hoffstaedt, Justus; Truijen, Daan; Fahlbeck, Jonathan; Gans, Luiz Henrique Accorsi; Qudaih, Mohammed; Laguna, Antonio Jarquin; De Kooning, Jeroen; Stockman, Kurt; Nilsson, Håkan; Storli, Pål-Tore Selbo; Engel, Bernd; Marence, Miroslav; Bricker, Jeremy (Peer reviewed; Journal article, 2022)
      To counteract a potential reduction in grid stability caused by a rapidly growing share of intermittent renewable energy sources within our electrical grids, large scale deployment of energy storage will become indispensable. ...
    • Low-Height Lifting System for Offshore Wind Turbine Installation: Modelling and Hydrodynamic Response Analysis Using the Commercial Simulation Tool SIMA 

      Vågnes, David; Monteiro, Thiago Gabriel; Halse, Karl Henning; Hildre, Hans Petter (Chapter; Peer reviewed, 2020)
      With the increasing demand for renewable energy sources in the past years, the interest in expanding the use of wind energy has grown. The next frontier in this expansion process is the use of floating wind turbines offshore. ...
    • Low-loss silicon core fibre platform for mid-infrared nonlinear photonics 

      Ren, Haonan; Shen, Li; Runge, Antoine; Hawkins, Thomas A.; Ballato, John; Gibson, Ursula; Peacock, Anna (Journal article; Peer reviewed, 2019)
      Broadband mid-infrared light sources are highly desired for wide-ranging applications that span free-space communications to spectroscopy. In recent years, silicon has attracted great interest as a platform for nonlinear ...
    • Low-order continuous-time robust repetitive control: Application in nanopositioning 

      Eielsen, Arnfinn Aas; Gravdahl, Jan Tommy; Leang, Kam K. (Journal article; Peer reviewed, 2015)
      A low-order repetitive control (RC) design in continuous-time for nanopositioning applications is presented. It focuses on achieving high performance and sufficient robustness to uncertainties. The design is mainly ...
    • Low-Order Nonlinear Animal Model of Glucose Dynamics for a Bihormonal Intraperitoneal Artificial Pancreas 

      Lopez Zazueta, Claudia; Stavdahl, Øyvind; Fougner, Anders Lyngvi (Peer reviewed; Journal article, 2021)
      Objective: The design of an Artificial Pancreas to regulate blood glucose levels requires reliable control methods. Model Predictive Control has emerged as a promising approach for glycemia control. However, model-based ...
    • Low-parameter linear model to activate the flexibility of the building thermal mass in energy system optimization 

      Askeland, Magnus; Georges, Laurent Francis Ghislain; Korpås, Magnus (Peer reviewed; Journal article, 2023)
      As buildings are becoming an integrated part of the energy system, the potential activation of the thermal mass as a source of flexibility needs to be considered in energy system modeling. Since energy system models represent ...
    • A Low-power and Low-noise Multi-purpose Chopper Amplifier with High CMRR and PSRR 

      Habibzadeh Tonekabony Shad, Erwin; Molinas Cabrera, Maria Marta; Ytterdal, Trond (Chapter, 2020)
      In this article, by choosing and optimizing suitable structure in each stage, we have designed a multi-purpose low noise chopper amplifier. The proposed neural chopper amplifier with high CMRR and PSRR is suitable for EEG, ...
    • A Low-power High-gain Inverter Stacking Amplifier with Rail-to-Rail Output 

      Habibzadeh Tonekabony Shad, Erwin; Moeinfard, Tania; Molinas Cabrera, Maria Marta; Ytterdal, Trond (Chapter, 2021)
      In this article, a rail-to-rail low-power amplifier is presented based on stacking inverter-based amplifiers. The output voltages of each inverter-based amplifier are converted to a current and then mirrored to the output ...
    • Low-temperature fatigue life properties of Aluminum butt weldments by the means of the local strain energy density approach 

      Viespoli, Luigi Mario; Leonardi, Andrea; Cianetti, Filippo; Nyhus, Bård; Alvaro, Antonio; Berto, Filippo (Journal article; Peer reviewed, 2019)
      The paper investigates the use of the strain energy density evaluated on a finite control volume as a mean to the fatigue life prediction for double V‐groove but joints. The specimens are manufactured by metal active gas ...
    • Low-Temperature Growth of Graphene on a Semiconductor 

      Røst, Håkon Ivarssønn; Chellappan, Rajesh Kumar; Strand, Frode Sneve; Grubišić-Čabo, Antonija; Reed, Benjamen P.; Prieto, Mauricio J.; Tǎnase, Liviu C.; Caldas, Lucas de Souza; Wongpinij, Thipusa; Euaruksakul, Chanan; Schmidt, Thomas; Tadich, Anton; Cowie, Bruce; Li, Zheshen; Cooil, Simon; Wells, Justin (Peer reviewed; Journal article, 2021)
      The industrial realization of graphene has so far been limited by challenges related to the quality, reproducibility, and high process temperatures required to manufacture graphene on suitable substrates. We demonstrate ...