Now showing items 21-40 of 2966

    • Identification of complexes formed between sulphur mustards and arsenic-containing chemical warfare agents 

      Rantanen, Noora-Kaisa; Ljønes, Marita; Heikkinen, Johannes S; Tørnes, John Aasulf; Kjellberg, Matti A.; Hakulinen, Hanna (2024-10-22)
      Large quantities of toxic chemical warfare material, such as mixtures of sulphur mustard (HD) and arsenic-containing chemical warfare agents (As-CWAs) have been submerged in the Baltic Sea region after World War II. Little ...
    • Numerical simulation of hydrogen dispersion in an open-ended rectangular channel 

      Fossum, Hannibal Eie; Åkervik, Espen; Henriksen, Mathias; Bjerketvedt, Dag (2024-11-26)
      In this work, large-eddy simulations of hydrogen dispersion from turbulent subsonic hydrogen-gas emissions in a 5.8 × 0.9 × 0.8 m open-ended channel are described. Such numerical modeling of hydrogen-related processes ...
    • Opptak av rester fra ammunisjon i oppdrettsanlegg ved dumpefelt 

      Johnsen, Arnt; Ueland, Ragnhild (2024-11-04)
      I en undersøkelse av fisk og skalldyr fanget i dumpefelt for ammunisjon i 2021 ble det funnet rester av eksplosiver i alle lokalitetene som ble undersøkt. Det var derfor en bekymring i Mattilsynet om at oppdrettsanlegg som ...
    • A Modular Smart Ocean Observatory for Development of Sensors, Underwater Communication and Surveillance of Environmental Parameters 

      Bergh, Øivind; Danre, Jean-Baptiste; Stensland, Kjetil; Lima, Keila; Nguyen, Ngoc Thanh; Heldal, Rogardt; Kristensen, Lars Michael; Oyetoyan, Tosin Daniel; Graves, Inger; Sætre, Camilla; Skålvik, Astrid Marie; Tomasi, Beatrice; Henriksen, Bård; Holstad, Marie Bueie; Walree, Paul van; Altamiranda, Edmary; Bjerke, Erik; Husøy, Thor Storm; Henne, Ingvar; Wehde, Henning; Stiansen, Jan Erik (2024-10-10)
      The rapid growth of marine industries has emphasized the focus on environmental impacts for all industries, as well as the influence of key environmental parameters on, for instance, offshore wind or aquaculture performance, ...
    • Warpath ASV – situational awareness for autonomous surface vessels 

      Larsen, Martin Vonheim; Smestad, Ragnar; Haavardsholm, Trym Vegard (2024-10-31)
      In order to operate in a complex and unpredictable environment, autonomous surface vessels (ASVs) must be able to generate their own situational awareness (SA). Here we present Warpath ASV, a ASV-tailored specialization ...
    • Personellets preferanser for bosted – geografisk mobilitet blant militært personell 

      Lindgren, Petter Y.; Hanson, Torbjørn; Einarsdottir, Iris Eva (2024-10-31)
      Det er nokså stor uoverensstemmelse mellom bosettingsstrukturen i Norge og tjenestestedene i Forsvaret. Forsvarets særegne geografiske behov illustreres godt ved at 43 prosent av militære stillinger befinner seg i områder ...
    • Pendle- og flyttemønsteret i Forsvaret 2013–2023 –geografisk mobilitet blant militært personell 

      Nordvang, Erlend U.; Lindgren, Petter Y.; Hanson, Torbjørn (2024-10-31)
      Den norske sikkerhets- og forsvarspolitikken krever et betydelig militært nærvær i Nord-Norge. Forsvarets geografiske fotavtrykk står dermed i kontrast til bosettingsmønsteret i Norge, med flere tjenestesteder lokalisert ...
    • Dispersion simulation for CBRNE accident coordination training 

      Vik, Thomas; Gjesdal, Thor; Helgeland, Anders (Forsvarets forskningsinstitutt, 2024-10-09)
      FFI has developed a virtual training system that can be used to train incident leaders and responders in the mitigation of accidents involving hazardous substances. The virtual training system was successfully used during ...
    • CBRNE Accident Coordination Training (CBRNE-ACT) System – technical description 

      Skjeltorp, Arild; Gran, Cecilie Jackbo; Asprusten, Martin; Mevassvik, Ole Martin; Vik, Thomas; Helgeland, Anders (2024-10-15)
      The use of computer simulation and virtual environments allow for cost-effective education, training, and exercises. The training audience can be exposed to scenarios that are inaccessible or too dangerous, too complex, ...
    • Statsvitenskapelige perspektiver på cyberoperasjoner – en gjennomgang av sentral litteratur 

      Israelsen, Mathilde (2024-10-28)
      Denne rapporten beskriver og diskuterer sentrale bidrag i den statsvitenskapelige litteraturen om staters bruk av cyberoperasjoner som et maktmiddel i internasjonal politikk. Rapporten er delt inn etter litteratur som ...
    • Cold weather operations: Preventive strategies ina military context 

      Klous, Lisa; Teien, Hilde Kristin; Hollis, Sarah; Levels, Koen; Boonstra, Appie; Sullivan-Kwantes, Wendy; Haman, Francois; Castellani, John W.; Catoire, Milène; Kingma, Boris (2024-10-23)
      Military cold weather operations (CWOs) introduce a range of challenges, including extremetemperatures, strong winds, difficult terrain, and exposure to snow, ice, and water. Personnelundertaking these missions face a ...
    • Simulation supported CBRNE accident coordination training 

      Gran, Cecilie Jackbo; Skjeltorp, Arild; Asprusten, Martin; Mevassvik, Ole Martin; Vik, Thomas; Helgeland, Anders (2024-10-24)
      The utilization of computer simulations and virtual environments offers a cost-effective solution for education, training, and exercises. These platforms provide training audiences exposure to scenarios that may be too ...
    • Synthesis of nitroxyethylnitramine (NENA) plasticizers and dinitroxydiethylnitramine (DINA) in continuous flow** 

      Fredriksen, Kim Alex; Kristensen, Tor Erik (2023-03-05)
      Nitroxyethylnitramines (NENAs) and dinitroxydiethylnitramine (DINA) are useful energetic plasticizer components in propellants and explosives. However, their synthesis at large scale can be delicate because it involves two ...
    • Using drone swarms with manoeuvre units 

      Halsør, Marius; Bentsen, Dan Helge; Simonsen, Aleksander Skjerlie; Stien, Håvard (2024-10-17)
      We have examined the use of drone swarms in support of mechanized units at low tactical level. This has primarily been done through simulations. We have used the same interface for controlling the swarm in the simulator, ...
    • Sikre beregninger fra kryptografi – hvordan samarbeide om hemmelige data uten å røpe hemmeligheter 

      Strand, Martin; Wiik, Jan Henrik; Lillevold, Frode (2024-10-23)
      Ved hjelp av moderne kryptografi kan vi utføre sikre beregninger, der ingen får innsyn i andre data enn de skal. Det gjør oss i stand til å redusere risikoen som følger av å dele data med andre organisasjoner eller ...
    • Veien mot bærekraftige investeringsprosjekter i forsvarssektoren – en empirisk studie 

      Prebensen, Frida W.; Sundkvist, Kamilla H.; Berg, Helene; Voldhaug, Jan Erik (2024-10-15)
      Den nye langtidsplanen for forsvarssektoren legger opp til en historisk forsvarssatsing, med betydelige investeringer i både materiell og eiendom, bygg og anlegg (EBA). I henhold til langtidsplanen skal forsvarssektoren ...
    • Matching radar signals and fingerprints with MPC 

      Mortensen, Benjamin Hansen; Nordal, Mathias Karsrud; Strand, Martin (2024-10-07)
      Vessels can be recognised by their navigation radar due to the characteristics of the emitted radar signal. This is particularly useful if one wants to build situational awareness without revealing one's own presence. Most ...
    • Optimising collection geometry for long-range synthetic aperture sonar interferometry 

      Hansen, Roy Edgar; Sæbø, Torstein Olsmo (2024-06-21)
      Interferometric synthetic aperture sonar (SAS) is a technique to image and map theseabed in very high resolution. For large area coverage rate systems with hundreds ofmetres swath width, the achievable performance varies ...
    • Temporal Answer Set Programming for gjenkjenning av kjente cyberangrepsmønstre 

      Storberg, Emma (2024-09-17)
      Dette notatet er skrevet for å dokumentere et sommerstudentprosjekt som omhandler bruk av ASP-solveren telingo [1] til å gjenkjenne kjente cyberangrepsmønstre. Med utgangspunkt i et eksperiment av Grov mfl. [3], har vi ...
    • Estimating sensitivity with the Bruceton method: Setting the record straight 

      Christensen, Dennis; Novik, Geir Petter; Unneberg, Erik (2024-07-05)
      Accurate estimates of sensitivities of energetic materials are crucial for ensuring safe production, transport, usage and destruction of explosives. When estimating sensitivities, researchers most commonly follow the NATO ...