• Recovery of electronic wastes as fillers for electromagnetic shielding in building components: An LCA study 

  La Rosa, Angela Daniela; Grammatikos, Sotirios; Ursan, George Andrei; Aradoaei, Sebastian; Summerscales, John; Ciobanu, Romeo Cristian; ; Schreiner, Cristina Mihaela (Peer reviewed; Journal article, 2020)

  The present study reports the development of sandwich panels for building walls having electromagnetic interference (EMI) shielding abilities. Conductive polymer composites (CPCs) have started being employed as EMI shielding ...

• Yield improvements in anaerobic digestion of lignocellulosic feedstocks 

  Hashemi, Sayedbehnam; Sarker, Shiplu; Lamb, Jacob Joseph; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2020)

  The new EU bioenergy sustainability criteria demonstrate that bioenergy sustainability can be a challenge (Schlegel and Kaphengst, 2007). In 1990s, the energy crops were the main source for biogas production in Europa; ...

• Added value of a virtual approach to simulation-based learning in a manufacturing learning factory 

  Tvenge, Nina; Ogorodnyk, Olga; Martinsen, Kristian; Østbø, Niels Peter (Peer reviewed; Journal article, 2019)

  More and more learning factories (LF) are set up supporting the vision of Industry 4.0 connectivity and automation levels; thus, digital twins, virtual and augmented reality are emerging tools. Literature review is the ...

• Comprehensive Physical Layer Security Analysis of FSO Communications over Málaga Channels 

  Ai, Yun; Mathur, Aashish; Verma, Gyan Deep; Kong, Long; Cheffena, Michael (Peer reviewed; Journal article, 2020)

  In this paper, we study the physical layer security of free-space optical (FSO) communications under different eavesdropping scenarios. More specifically, the secrecy performance of FSO communication employing intensity ...

• Interpreting archaeological site-formation processes at a mountain ice patch: A case study from Langfonne, Norway 

  Solli, Brit; Pilø, Lars Holger; Barrett, James H; Eiken, Trond; Finstad, Espen; Grønning, Sunniva; Post-Melbye, Julian R.; Nesje, Atle; Rosvold, Jørgen; Ødegård, Rune Strand (Peer reviewed; Journal article, 2020)

  In the context of global warming, ice patches are increasingly important foci of high-elevation archaeology. Langfonne in Jotunheimen, central southern Norway, is uniquely suited to provide a window onto site formation ...

• Towards a general application programming interface (API) for injection molding machines 

  Ogorodnyk, Olga; Larsen, Mats; Lyngstad, Ole Vidar; Martinsen, Kristian (Peer reviewed; Journal article, 2020)

  Injection molding is a complicated process, and the final part quality depends on many machine and process parameters settings. To increase controllability of the injection molding process, acquisition of the process data ...

• Buffer Delay Improvement in Gait-Cycle-Driven Transmission Power Control Scheme for WBAN 

  Mohamed, Marshed Kassim; Cheffena, Michael; Ai, Yun; Al-Samman, Ahmed (Peer reviewed; Journal article, 2020)

  Due to the dynamic nature of the wireless body area network (WBAN) channels, there is a need for dynamic transmission power control (TPC) to increase their energy efficiency. The existing gait-cycle-driven TPC (G-TPC) ...

• Innovation Workshop: Universal Design 

  Nersveen, Jonny (Lecture, 2014)

  CONTENT • What is universal design? • To live with a disability? • Some examples in innovation in universal design

• Optimization of Reactor Temperature for Continuous Anaerobic Digestion of Cow Manure: Bangladesh Perspective 

  Nandi, Rajesh; Saha, Chayan Kumer; Sarker, Shiplu; Huda, Md. Sanaul; Alam, Md. Monjurul (Peer reviewed; Journal article, 2020)

  Converting organic waste into energy through anaerobic digestion is gaining popularity day by day. The reactor temperature is considered as one of the most vital factors for the digestion process. An experiment was conducted ...

• First-principles study of tensile and shear strength of Fe-Al and α-AlFeSi intermetallic compound interfaces 

  Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Strandlie, Are (Peer reviewed; Journal article, 2021)

  First-principles virtual tensile and shear strength calculations have been performed on the Fe2Al5// Fe4Al13 and -AlFeSi// Fe4Al13 interfaces. The Fast Inertial Relaxation Engine (FIRE) algorithm is used for optimizing ...

• Tolerancing from STL data: A Legacy Challenge 

  Leirmo, Torbjørn Langedahl; Semeniuta, Oleksandr; Martinsen, Kristian (Journal article; Peer reviewed, 2020)

  Part representation in additive manufacturing (AM) is dominated by the stereolithography (STL) file format as a universal mode for communicating and transferring part geometry from one system to another. However, when the ...

• Impact of printing surfaces with UV-curable inks on sound absorption 

  Kitanovski, Vlado; Nersveen, Jonny; Strand, Anton; Pedersen, Marius (Peer reviewed; Journal article, 2020)

  The recent UV-curable inks, used in modern inkjet printing systems, bring several advantages and therefore a potential to expand to new applications, including décor printing. In this work, we investigate the impact of ...

• Extracting shape features from a surface mesh using geometric reasoning 

  Leirmo, Torbjørn Langedahl; Semeniuta, Oleksandr; Baturynska, Ivanna; Martinsen, Kristian (Peer reviewed; Journal article, 2020)

  Mesh data is extensively used in CAD/CAM applications to approximate three-dimensional (3D) solid models. The STL file format is one of the key file formats for 3D data transfer in modern manufacturing systems. STL files, ...

• A case study on solar, wind and hydro energy resource potential of Prizren region in Kosovo 

  Sarker, Shiplu; Pecani, Goneta; Vula, Dejon; Gebremedhin, Alemayehu (Journal article, 2020-04-24)

  Prizren is a city located in the south part of Kosovo with approximately 90,000 inhabitants and land area of 640 km2. The region is covered with distinct geographical features, that favor penetration and deployment of ...

• Deburring Using Robot Manipulators: A Review 

  Onstein, Ingrid Fjordheim; Semeniuta, Oleksandr; Bjerkeng, Magnus Christian (Chapter, 2020)

  Deburring of cast parts can be a very challenging task. Today, large burrs on large casting are mostly removed manually. Workers are exposed to hazardous working conditions through, among other things, high noise and ...

• Secrecy Enhancement of RF Backhaul System with Parallel FSO Communication Link 

  Ai, Yun; Mathur, Aashish; Lei, Hongjiang; Cheffena, Michael; Ansari, Imran Shafique (Peer reviewed; Journal article, 2020)

  This paper analyses the physical layer secrecy (PLS) performance of a hybrid free space optical and radio frequency (FSO/RF) communication system under a modified selection combining scheme. The transmission scheme takes ...

• Indoor Channel Estimation Using Single-Snapshot Wideband Measurement 

  Ai, Yun; Cheffena, Michael; Mohamed, Marshed Kassim; Al-Samman, Ahmed (Chapter, 2020)

  The successful design of communication systems generally requires knowledge of various channel characteristic parameters. This paper utilizes the reverberation time extracted from single-snapshot wideband measurement to ...

• A structure of UML profiles for modelling of geospatial information in GIS, ITS and BIM 

  Jetlund, Knut (Peer reviewed; Journal article, 2020)

  Abstract. This study aims to improve the interoperability between models of geospatial information from the applications domains of Geographic Information Systems (GIS), Intelligent Transport Systems (ITS) and Building ...

• Lessons learned from an experimental campaign on promoting energy content of renewable biogas by injecting H2 during anaerobic digestion 

  Sarker, Shiplu; Wijnsma, Sander; Lien, Kristian Myklebust (Peer reviewed; Journal article, 2020)

  Direct injection of H2 to an anaerobic reactor enables biological fixation of CO2 into CH4 (biomethanation) and consequently boosts methane content in the produced biogas. However, there has been only a small amount of ...

• Performance of Full-DuplexWireless Back-Haul Link Under Rain Effects Using E-Band 73 GHz and 83 GHz in Tropical Area 

  Al-Samman, Ahmed; Mohamed, Marshed Kassim; Cheffena, Michael; Azmi, Marwan Hadri; Rahman, Tharek Abd. (Peer reviewed; Journal article, 2020)

  This paper presents rain attenuation effects on the performance of the full-duplex link in a tropical region based on one-year measurement data at 73.5- and 83.5-GHz E-band for distances of 1.8 km (longer links) and 300 m ...

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