Blar i NTNU Open på forfatter "Ellingsen, Harald"

Viser treff 1-12 av 12

    • Comparative study of alternative energy carriers for a low emission purse seiner/pelagic trawler 

      Botnen, Simon Agasøster (Master thesis, 2021)
      Global oppvarming og det grøne skiftet er på agendaen verda over. Myndighetar og internasjonale organisasjonar introduserer ulike reguleringar og insentiv for å betre prestasjonen til grøne løysingar. Trass usikkerheita ...

    • Decision support for emission reduction technology appraisals in ship acquisition 

      Aspen, Dina Margrethe (Doctoral theses at NTNU;2019:299, Doctoral thesis, 2019)
      Appraising emission reduction technologies in ship acquisition has become gradually more important due to regulatory requirements and technology development aimed at mitigating environmental impacts from maritime transportation. ...

    • Design criteria for offshore feed barges 

      Mathisen, Sindre (Master thesis, 2012)
      The fish farming industry faces some problems for the future as the escaping of fish and fish lice. One solution to these problems could be to move the farms further offshore. The main focus of the industry is on the cages ...

    • Energy efficiency and emission abatement in the fishing fleet 

      Jafarzadeh, Sepideh (Doctoral theses at NTNU;2016:332, Doctoral thesis, 2016)
      Operation of fishing vessels is energy demanding. On one hand, fuel costs and preference of customers for buying “green” seafood products challenge economic feasibility of fisheries. On the other hand, environmental concerns ...

    • Life Cycle Assessment of Farmed Salmon, Comparing a Closed with an Open Sea Cage System 

      Nyhus, Ole Jonny (Master thesis, 2014)
      Ole Jonny Nyhus, Marine Technology, Norwegian University of Science and Technology.Abstract of Master's Thesis, levert 8. juni, 2014:Life Cycle Assessment of Farmed Salmon, Comparing a Closed with an Open Sea Cage System.The ...

    • LNG-fuelled fishing vessels: A systems engineering approach 

      Jafarzadeh, Sepideh; Paltrinieri, Nicola; Utne, Ingrid Bouwer; Ellingsen, Harald (Journal article; Peer reviewed, 2017)
      Air emissions from fishing vessels must be reduced to comply with progressively stringent environmental regulations. Among the available solutions, liquefied natural gas (LNG) fuel may represent a promising solution, ...

    • Logistikkløsning for offshore oppdrettsanlegg 

      Vollen, Odd Harald (Master thesis, 2012)
      Denne rapporten viser noen logistikkløsninger for offshore oppdrettsanlegg, og sammenligne de med dagens praksis. Bakgrunnen for oppgaven er de siste 20 årenes kontinuerlige stigning i volum av oppdrettslaks, en utvikling ...

    • Modeling of Aquaculture PET Net with the Use of Finite Element Method 

      Dwikartika, Widyasatka; Casanova, Claudia (Master thesis, 2013)
      In this master thesis the structural modeling of Polyethylene Terephthalate (PET) net panel has been done using finite element software (ABAQUS). The model was built corresponding to the net panel experiment performed by ...

    • Nye regler, sikrere havbruk? 

      Kilhavn, Benny Kristian (Master thesis, 2013)
      I dag stilles det strengere krav både til dokumentasjon og bemanning av lasteskip større enn 15 meter. En konsekvens av dette er at de fleste servicebåter i havbruksnæringen er bygget under 15 meter. I løpet av 2014 kommer ...

    • Optimisation of a New Energy System in Longyearbyen based on LNG and Solar Energy - Applying Mixed Integer Linear Programming and a Rolling Horizon Heuristic 

      Hovden, Petter (Master thesis, 2018)
      Longyearbyen is an isolated, Arctic settlement, where the energy situation is facing changes in near future. Today s energy system in Longyearbyen is a stand-alone system, consisting of a coal power plant as primary power ...

    • Study on backscattering from fish school near pump intake 

      Liu, Ling Fei (Master thesis, 2013)
      In this master project, acoustic method was applied for estimating the gradually changed fish density during the crowding near the pump intake in salmon plant. The purpose was to detect if the sensitivity of the echo sounder ...

    • Uttak av slakteklar fisk fra sfæriske merder 

      Bjørge, Daniel (Master thesis, 2013)
      SammendragUtgangspunktet for denne oppgaven er sfæriske merder, og at det må utvikles metoder for hvordan uttak av fisk fra disse skal gjennomføres før de kan tas i bruk. Det vil være flere grunner for å ta en slik type ...