Institutt for vareproduksjon og byggteknikk
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Optimalisering av nettilknytning med storskala batteri og salg av kapasitet til frekvensmarkedet
(Bachelor thesis, 2022)Denne oppgaven tar for seg et eksisterende solanlegg i Nederland, som eies og driftes av oppdragsgiver Energeia. Oppgavens formål er å se på hvordan storskala batterier kan benyttes for å optimalisere nettilknytningen, og ... -
Revisiting statistical properties of surf parameter with characteristic wave parameters for single random waves including spectral bandwidth effects
(Peer reviewed; Journal article, 2021)Results from a comparative study of the joint distribution of surf parameter and wave period are provided. First, two transformed joint distributions of wave height and wave period are compared. One of the distributions ... -
A case study of hybrid learning in higher education using quantitative research design
(Chapter, 2022)There is currently limited work on synchronous forms of hybrid education although it has become the norm in university education. In addition, there is a gab on empirical studies that are focusing on quantitative measures ... -
3D printed thermoelectric polyurethane/multiwalled carbon nanotube nanocomposites: A novel approach towards the fabrication of flexible and stretchable organic thermoelectrics
(Peer reviewed; Journal article, 2020)Three-dimensional (3D) printing of thermoelectric polymer nanocomposites is reported for the first time employing flexible, stretchable and electrically conductive 3D printable thermoplastic polyurethane (TPU)/multiwalled ... -
Three-Dimensional (3D) Conductive Network of CNT-Modified Short Jute Fiber-Reinforced Natural Rubber: Hierarchical CNT-Enabled Thermoelectric and Electrically Conductive Composite Interfaces
(Peer reviewed; Journal article, 2020)Jute fibers (JFs) coated with multiwall carbon nanotubes (MWCNTs) have been introduced in a natural rubber (NR) matrix creating a three-dimensional (3D) electrically conductive percolated network. The JF-CNT endowed ... -
Power system analysis: The case of Albania
(Peer reviewed; Journal article, 2020)Climate change, sustainability and supply security are today priority themes worldwide. This paper presents the results of an Albanian power system analysis. An energy system analysis model based on linear programming is ... -
Development of sustainable jute geotextiles by bitumen emulsion and polyester resin: Effect of gamma radiation
(Peer reviewed; Journal article, 2020)Jute fibers can be an alternative solution to replace synthetic fibers for temporary sustainable geotextiles applications. To produce sustainable geotextiles, jute fabrics were treated first by bitumen emulsion (BE) and ... -
Workarounds in application and use of manufacturing software as enablers to organizational change
(Journal article; Peer reviewed, 2021)In this paper we look at four Norwegian manufacturers’ Information System and stages of Information Technology adaptation, explaining how practice of technology and actions/workarounds to IT systems, that enables, hinders, ... -
A New Maximum Power Point Tracking Framework for Photovoltaic Energy Systems Based on Remora Optimization Algorithm in Partial Shading Conditions
(Peer reviewed; Journal article, 2022)In this paper, a new maximum power point tracking (MPPT) framework for photovoltaic (PV) systems is presented based on the remora optimization algorithm (ROA) subjected to standard and partial shading conditions. The studied ... -
A Blockchain-Empowered Cluster-based Federated Learning Model for Blade Icing Estimation on IoT-enabled Wind Turbine
(Peer reviewed; Journal article, 2022)Wind energy is a fast-growing renewable energy but faces the blade icing. Data-driven methods provide talented solutions for blade icing detection but a considerable amount of data need to be collected to a central server, ... -
Seismic Analysis of Concrete Arch Dam Considering Material Failure Criterion
(Peer reviewed; Journal article, 2021)Since large dams collapse can lead to catastrophic consequences on human's lives and properties, the reliable performance of such structures during a strong earthquake is extremely important. Therefore, applying reliable ... -
Carbonation Depth and Chloride Ion Penetration Properties of Rubberised Concrete Incorporated Ground Blast Furnace Slag
(Peer reviewed; Journal article, 2022)Scrap tyres disposal revival the environmental concern except if recycled in an eco-friendly way. The inclusion of waste tyre crumb rubber (WTCRs) as a partial replacement of natural aggregate can be possible solutions for ... -
Predicting Effective Parameters in Cyclic Behavior of Reinforced Masonry Walls with Shotcrete Using Artificial Neural Networks
(Peer reviewed; Journal article, 2022)In Masonry buildings, walls are the main structural elements resistant to lateral loads. Reinforcing masonry walls by shotcreting one- or two-sides is one of the most common reinforcement methods. Considering the economic ... -
Mathematical Models of Nonlinear Problems of Dynamics of Thin-Walled Structures under Aerodynamic Loading based on the Refined Timoshenko Theory
(Chapter, 2021)A class of dynamic problems is investigated using a programming environment, the mathematical models of these problems are described by complex nonlinear integro-differential equations. The following problems were investigated ... -
Investigating the Dimensional and Geometric Accuracy of Laser-Based Powder Bed Fusion of PA2200 (PA12): Experiment Design and Execution
(Peer reviewed; Journal article, 2021)Variation management in additive manufacturing (AM) is progressively more important as technologies are implemented in industrial manufacturing systems; hence massive research efforts are focused on the modeling and ... -
DIGITAL CORRECTION FILTER IN PROBLEMS OF RECOVERY OF INPUT SIGNALS AND OBSERVING SYSTEMS’ DATA IN ENERGY OBJECTS
(Peer reviewed; Journal article, 2021)The task of signal recovery is one of the most important for auto-mated diagnostics and control systems of an energy object. When solving the inverse problems of recovering signals, images and other types of data, spectral ... -
Computer Modeling Of Nonlinear Flutter Of Viscoelastic Based Plate As A Sustainable Mechanical Engineering Approach In Aircraft Structures’ Design
(Chapter, 2021)The article is dedicated to computer modeling of a viscoelastic based plate flutter in design of aeronautical structures in sustainable mechanical engineering. The mathematical model of the flutter problem for viscoelastic ... -
Generation of micro- and nano-textured surfaces
(Research report, 2021)Additive manufacturing (AM), also known as 3D printing, is one promising method to generate textures resulting in a different surface appearance. Texture can be generated by concentrating on the nanoscale or microscale. ... -
Geometric Accuracy in Laser- Based Powder Bed Fusion of Polymers: Tolerance optimization by part build orientation
(Doctoral theses at NTNU;2022:71, Doctoral thesis, 2022)As Additive Manufacturing (AM) enters the manufacturing industry, the technology must adhere to stringent quality demands in terms of dimensional and geometric accuracy. However, due to substantial differences in how these ... -
The Influence of Wedge Angle, Feedstock Color, and Infill Density on the Color Difference of FDM Objects
(Peer reviewed; Journal article, 2021)The surface appearance in additive manufacturing (AM) has attracted attention in recent years due to its importance in evaluating the quality of 3D printed structures. Fused Deposition Modeling (FDM), also known as Fused ...
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