Browsing Faculty of Science and Technology by Title

Now showing items 2558-2577 of 7044

    • Failure analysis and inspection research of drill stem in oil and gas industry 

      Hai, Wen (Masteroppgave/UIS-TN-IØRP/2016;, Master thesis, 2016-06)
      With the demand for oil and gas increased, and the development of oil and gas drilling technology so fast, the development of global oil and gas exploration has entered a deep well, ultra deep well and offshore deep water ...

    • Failure prediction for subsea plug and abandonment using a method based on anticipatory failure determination 

      Bjelland, Therese (Masteroppgave/UIS-TN-IØRP/2015;, Master thesis, 2015-06-12)
      The oil and gas industry at the Norwegian Continental Shelf (NCS) is today facing hundreds of subsea wells that will need Plug and Abandonment (PnA) operations in the nearest future. Due to a marked where costs have escalated ...

    • Failure Prediction of Carbon-Fibre Epoxy Composite Subsea Flowline Using Response Surface Methodology 

      Wenxin, Xu (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020)
      Carbon Fibre Epoxy Composite is a relatively new material utilized in the subsea oil and gas industry. The fibre reinforced composite is competitive for its high strength-to-weight ratio and good corrosion resistance. This ...

    • Fairness and Ethics in AI 

      Chakravorty Antorweep (Bachelor thesis, 2021)
      As the complexity and capabilities of AI technologies continue to increase, they will continue to pose a risk for their users. In this thesis, different techniques have been reviewed to see how the current research proposes ...

    • Fairness and Interpretability in Machine Learning Models 

      Weinbach, Bjørn Christian (Master thesis, 2022)
      Machine Learning has become more and more prominent in our daily lives as the Information Age and Fourth industrial revolution progresses. Many of these machine learning systems are evaluated in terms of how accurately ...

    • FAITH AND MOBILITY OF HYDROGEN IN GEOLOGICAL POROUS MEDIA 

      Kopasakis, Stylianos (Master thesis, 2022)
      Large-scale hydrogen storage can help alleviate the main drawbacks of renewable energy generation, their intermittency, and their seasonal and geographical constraints. Renewable energy without energy storage is unable to ...

    • Fake News Data Generation and Augmentation 

      Botnevik, Bjarte (Master thesis, 2021)
      Fake news is becoming an increasingly more significant problem in today's society, especially on social media. The fact-checking field in Data Science is becoming more and more popular as people want to solve this. However, ...

    • Fake News Detection A Deep Neural Network 

      Chennam Lakhsmikumar, Priyanka (Masteroppgave/UIS-TN-IDE/2019;, Master thesis, 2019-06-15)
      News is an important source of information for people.Identifying the inaccurate news is a difficult problem. Fake news, defined by the New York Times ”as a made-up story with an intention to deceive”, often for a secondary ...

    • Faktorer for og effekter av frivillig atferdsendring ved bruk av myke mobilitetstiltak. 

      Selland, Eileen; Knutsen, Eivind (Masteroppgave/UIS-TN-IØRP/2018;, Master thesis, 2018-06)
      Myke mobilitetstiltak for frivillig atferdsendring er blitt benyttet siden slutten av 90- tallet. Siden da er det gjort studier på slike tiltak i Australia, Storbritannia Europa, USA og Japan, der det kan forventes en ...

    • Families of Proper Holomorphic Embeddings and Carleman-Type Theorem with parameters 

      Domenico Di Salvo, Giovanni; Ritter, Tyson; Wold, Erlend Fornæss (Peer reviewed; Journal article, 2023)
      We solve the problem of simultaneously embedding properly holomorphically into C2 a whole family of n-connected domains Omega_r in P1 such that none of the components of P1 \ Omega_r reduces to a point, by constructing a ...

    • Fast and Reliable Byzantine Fault Tolerance 

      Freeman, Eric (Masteroppgave/UIS-TN-IDE/2016;, Master thesis, 2016-06)
      Byzantine faults, or arbitrary faults, are difficult to handle due to their unknown nature. They include software errors, hardware errors, and malicious behavior. There are several algorithms which handle Byzantine faults ...

    • Fast and robust Bayesian inference using Gaussian processes with GPry 

      El Gammal, Jonas Elias; Schöneberg, Nils; Torrado, Jesús; Fidler, Christian (Peer reviewed; Journal article, 2023)
      We present the GPry algorithm for fast Bayesian inference of general (non-Gaussian) posteriors with a moderate number of parameters. GPry does not need any pre-training, special hardware such as GPUs, and is intended as a ...

    • Fast borestreng 

      Deeb, Yousef (Masteroppgave/UIS-TN-IØRP/2013;, Master thesis, 2013)
      Fast borestreng er når en ikke kan rotere den, eller bevege strengen opp og ned. Flere mekanismer kan forårsake dette, blant annet formasjonsrelaterte problemer som for eksempel: ukonsoliderte formasjoner, mobile formasjoner, ...

    • Fasthet-/ temperaturutvikling i betong 

      Ndizeye, Gad (Masteroppgave/UIS-TN-IKM/2014;, Master thesis, 2014-06-30)
      Arbeidsomfanget er å: • Undersøke effekten av pozzolaner på temperatur- og fasthetsutvikling • Gjennomgå årsak til spenningsdannelse i tverrsnittet og nær støpeskjøt • Utvikle et program for simulering av betongegenskaper ...

    • Fastpriskontrakter i underentrepriser - Hvordan håndteres risiko ved økte mengder og prisstigning? 

      Nesse, Espen; Myklebust, Johnny Berstad (Master thesis, 2023)
      Prisstigning på stål og trelast ga økte kostnader i byggeprosjekt A og B hos Alsaker Stål og Pretre. Byggebransjen har opplevd prisstigning på stål og trelast, som følge av uforutsette hendelser ved krigen i Ukraina og ...

    • Fate and transport of contaminants in drill cuttings piles - Use of Klif's risk assessment guidelines for contaminated sediments to estimate leaching rates from oil-based drill cuttings piles. 

      Ydstebø, Silje Nygård (Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012)
      The North Sea contains several oil-based drill cuttings piles which have accumulated on the seabed as a result of oil and gas production. An increased awareness of the contaminants within these piles has grown over the ...

    • The fate of hydrocarbon leaks from plugged and abandoned wells by means of natural seepages 

      Tveit, Mari Røstvig; Khalifeh, Mahmoud; Nordam, Tor; Saasen, Arild (Peer reviewed; Journal article, 2020-10)
      When a well reaches the end of its productive life, it is permanently plugged and abandoned. Even though new technology and verification methods are being evaluated, it is evident that operational, barrier material and ...

    • Fate of persistent organic pollutants during anaerobic treatment and production of biopellets 

      Jevn, Astrid (Masteroppgave/UIS-TN-IMN/2012;, Master thesis, 2012)
      Treatment of municipal wastewater produces large quantities of sludge that represents a cost for the individual wastewater treatment plant. Proper sludge treatment enables reuse of sludge, possibly as fertilizers. Fertilizer ...

    • Fatigue Analysis in Topside Pipe Systems Offshore 

      Knutsen, Vegard (Master thesis, 2021)
      Safety and reliability are terms generally associated with offshore oil and gas industry, particularly regarding piping where failure could potentially cause catastrophic outcomes. Hence, codes and standards have been ...

    • Fatigue Analysis of Inter-Array Power Cables between Two Floating Offshore Wind Turbines Including a Simplified Method to Estimate Stress Factors 

      Beier, Dennis; Schnepf, Anja; Van Steel, Sean; Ye, Naiquan; Ong, Muk Chen (Peer reviewed; Journal article, 2023-06)
      The use of floating offshore wind farms for electrical energy supply is expected to rise significantly over the coming years. Suspended inter-array power cables are a new design to connect floating offshore wind turbines ...