Browsing Institutt for maskin- og marinfag by Title
Now showing items 21-40 of 347
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Availability increase: A model in maintenance optimization for spare parts at Hydro Karmøy
(Bachelor thesis, 2016-06-15)With increasingly focus on efficiency, reliability and safety, the industry faces new challenges in areas where conservative thinking and outdated methods are current. This report analyses, debates and compares established ... -
Beregningsprogram for pipesupport
(Bachelor thesis, 2013-07-11)Det er i denne oppgaven blitt laget et beregningsprogram for dimensjonering av pipesupports. Programmet tar for seg en firkantprofil som er festet til en plate, der bolter blir utsatt for skjær-, strekk- og momentbelastninger. ... -
Bevegelser i fôrflåte plassert på utsatte lokasjoner
(Bachelor thesis, 2020) -
Biowaste to hydrogen or Fischer-Tropsch fuels by gasification – A Gibbs energy minimisation study for finding carbon capture potential and fossil carbon displacement on the road
(Journal article; Peer reviewed, 2020)To reach its greenhouse gas emission reduction goals, Norway needs a shift away from the use of fossil fuels in the transport sector. The production potential and efficiency of Fischer-Tropsch biofuels and hydrogen from ... -
Bruk av fornybar energi til energiproduksjon på fiskeoppdrettsanlegg
(Bachelor thesis, 2018) -
Cause Analysis of Gas Leaks and Methods to Limit Leakage
(Bachelor thesis, 2014-07-16)Hydrocarbon gas leaks create potential dangerous situations with major accidents representing worst case scenarios. Smaller gas leaks are also unwanted as they represent risk of escalation and often lead to shut down or ... -
CFD estimation of a resistance coefficient for an egg-shaped geometric dome
(Peer reviewed; Journal article, 2022) -
CFD-DEM model of plugging in flow with cohesive particles
(Peer reviewed; Journal article, 2023)Plugging in flows with cohesive particles is crucial in many industrial and real-life applications such as hemodynamics, water distribution, and petroleum flow assurance. Although probabilistic models for plugging risk ... -
CFD-simulations of a Piston Accumulator using STAR-CCM+
(Bachelor thesis, 2019) -
Cluster renewal and the heterogeneity of extra-regional linkages: a study of MNC practices in a subsea petroleum cluster
(Peer reviewed; Journal article, 2017) -
Co-located deployment of offshore wind turbines with tidal stream turbine arrays for improved cost of electricity generation
(Journal article; Peer reviewed, 2019)This paper evaluates the potential for co-location of offshore wind turbines at sites being developed for tidal stream arrays as a method for reducing the cost of electricity. It is shown that for a typical tidal site, ... -
Co-located offshore wind and tidal stream turbines: Assessment of energy yield and loading
(Peer reviewed; Journal article, 2018) -
Cohesive collisions of particles in liquid media studied by CFD-DEM, video tracking, and Positron Emission Particle Tracking
(Peer reviewed; Journal article, 2023)This paper investigates the cohesive collision of ice in an oil phase at temperatures ranging from −15.7 °C to −0.3 °C. The new information on the coefficient of restitution (COR) was obtained using three different velocity ... -
A comparative CO2 emission analysis of a diesel and electric engine
(Bachelor thesis, 2021) -
Comparing the identification of recommendations by different accident investigators using a common methodology
(Journal article, 2012)Accident reports play a key role in the safety of complex systems. These reports present the recommendations that are intended to help avoid any recurrence of past failures. However, the value of these findings depends ... -
Comparison of AUV hull designs using CFD and preparation for towing tank testing
(Bachelor thesis, 2020) -
A comparison of extreme mooring loads and response of a spar-buoy wind turbine using conditional waves
(Peer reviewed; Journal article, 2023)Three-hour random sea-state evaluations for ultimate limit state design of floating offshore wind installations are time-consuming and prevent the use of high-fidelity numerical methods from being implemented. In this work, ... -
Comparison of organic Rankine cycle concepts for recovering waste heat in a hybrid powertrain on a fast passenger ferry
(Journal article; Peer reviewed, 2018)The possibilities of recovering waste heat from the exhaust gas and other waste heat sources from a 900 kW fast passenger ferry Diesel engine by means of an organic Rankine cycle (ORC) were investigated. The recovered ... -
Computaions of a Bluff-Body Stabilised Premixed Flames Using ERN Method
(Peer reviewed; Journal article, 2022)Combustible carbon-based energy is still prevailing as the world’s leading energy due to its high energy density. However, the oxidation of these hydrocarbons disturbs the natural carbon cycle greatly by increasing greenhouse ... -
Computation of laminar hydrogen flames
(Bachelor thesis, 2021)