Blar i Institutt for maskinteknikk og produksjon på tittel
Viser treff 3736-3755 av 3970
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UHMWPE-Based Glass-Fiber Composites Fabricated by FDM. Multiscaling Aspects of Design, Manufacturing and Performance
(Peer reviewed; Journal article, 2021)The aim of the paper was to improve the functional properties of composites based on ultra-high molecular weight polyethylene (UHMWPE) by loading with reinforcing fibers. It was achieved by designing the optimal composition ... -
Ultra-Cheap Renewable Energy as an Enabling Technology for Deep Industrial Decarbonization via Capture and Utilization of Process CO2 Emissions
(Peer reviewed; Journal article, 2022)Rapidly declining costs of renewable energy technologies have made solar and wind the cheapest sources of energy in many parts of the world. This has been seen primarily as enabling the rapid decarbonization of the electricity ... -
Ultrasonic NDT and its Ability to Detect Pitting Corrosion Behavior on Carbon Steel
(Master thesis, 2023)Denne rapporten fokuserer på å teste funksjonaliteten til overvåkningsutstyr basert på ultralyd, prod- usert av Sensorlink AS. Teknikker innenfor ultrasonisk NDT har blitt brukt for inspeksjon av tilstanden til rørledninger ... -
Uncertain Factors in the Cost Estimation Process for the Helltunnel - SVV
(Master thesis, 2015)This master s thesis investigates the key uncertain factors and phenomena influencing the cost estimation process in tunnel projects. For this, two completed tunnels from the SVV (Statens Vegvesen Road Authority) are ... -
Uncertainties in scheduling and execution of trackwork in Sweden
(Peer reviewed; Journal article, 2023)Trackwork planning and scheduling are demanding because they require strategic foresight and must be completed well in advance. In Sweden, trackwork is performed by maintenance contracting companies during an operation ... -
Uncertainty Analyses of Time in Construction Projects
(Master thesis, 2017)The aim of this master thesis is to investigate how uncertainty analysis on time can contribute to a better foundation for decision-making in the project planning phase, and by this reduce the total time spent in this ... -
Uncertainty in Calibration of Reference Standards for Dimensional Measurements
(Master thesis, 2019)Målelaboratoriet ved NTNU brukes til å kalibrere normaler (eng: reference standards) som brukes av Justervesenet for å verifisere andre måleinstrumenter. Normaler, som rektangulære parallellepiped og sylindere, blir kalibrert ... -
UNCERTAINTY MANAGEMENT IN PRODUCT DEVELOPMENT PORTFOLIOS: THE IMPACT OF GLOBAL SUSTAINABILITY AGENDAS
(Peer reviewed; Journal article, 2023)Increased focus on sustainability significantly impacts product development portfolio management in organizations. This paper focuses on the significant unaccommodated uncertainty caused by the green transition for current ... -
Uncertainty management of projects from the owners' perspective, with main focus on managing delivered functionality
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:197, Doctoral thesis, 2010)Projects are often claimed not to produce the effects or deliver the functionality that are expected from them. When this claim is mentioned also by the project owner and other central stakeholders, then the project is ... -
Underground Excavation Support System for Hydropower Tunnels in Bhutan
(Master thesis, 2011)Hydropower is the major natural resources known in Bhutan with theoretical total potential of 30 000 MW, and 23 660 MW from seventy six sites all above 10 MW is found to be techno-economically feasible for development ... -
Understanding and eliminating waste in Engineer-To-Order (ETO) projects: a multiple case study
(Journal article; Peer reviewed, 2021)This article explores how waste reduction approaches as found in lean thinking can be applied to engineering design in Engineer-To-Order (ETO) projects based on a multiple case study of ten companies over a 2-year period. ... -
Understanding how to succeed with project partnering
(Journal article; Peer reviewed, 2018)Purpose The purpose of this paper is to present new findings to organizations that acknowledge difficulties in implementing and succeeding with project partnering. Design/methodology/approach The investigation is based on ... -
Understanding powder bed fusion additive manufacturing phenomena via numerical simulation
(Peer reviewed; Journal article, 2020)The increasing interest in additively manufactured metallic parts from industry has issued a formidable challenge to the academic and scientific world that is asked to design new alloys, optimize process parameters and ... -
Understanding the fracture behavior of brittle and ductile multi-flawed rocks by uniaxial loading by digital image correlation
(Journal article; Peer reviewed, 2018)Fracturing behavior of ductile multi-flawed rock mass is very different from those of brittle multi-flawed rock mass. However, there is a very vague distinction of the fracture mechanism of ductile multi-flawed rock mass ... -
Understanding the friction of atomically thin layered materials
(Peer reviewed; Journal article, 2020)Friction is a ubiquitous phenomenon that greatly affects our everyday lives and is responsible for large amounts of energy loss in industrialised societies. Layered materials such as graphene have interesting frictional ... -
Understanding the hydrogen effect on pop-in behavior of an equiatomic high-entropy alloy during in-situ nanoindentation
(Peer reviewed; Journal article, 2021)The variations in the pop-in behavior of an equiatomic CoCrFeMnNi high-entropy alloy under different hydrogen charging/discharging conditions were characterized via in-situ electrochemical nanoindentation. Results show ... -
Understanding the Overall Decision Making Process in the Project Execution Stage and its Key aspects - A Study of How Aker BP’s Project Management Function Takes Decisions.
(Master thesis, 2023)This master’s thesis is performed in close collaboration with Aker BP – a prominent Norwegian upstream oil and gas company. Due to an increasing number of investment projects (appx. 200 billion NOK), Aker BP wishes to ... -
Undersøkelse av materialegenskaper og karakteristikk til polymerer under høy slitende belastning - og korrelasjon med egenskaper funnet ved laboratorietester
(Master thesis, 2016)Det økende behovet for pålitelig posisjonering av oljeproduksjonsplattformer i dype farvann med tøffe værforhold har gitt et økt behov for robuste løsninger for fiberforankringstau. Den beste løsningen for å gjøre et ... -
Undersøkelse og optimalisering av maskindel i propellsystemet til skip
(Master thesis, 2014)Masteroppgaven tar for seg undersøkelse og optimalisering av en maskindel som er plassert i propellsystemet til et skip. Ved bruk av komponenten har det i enkelttilfelle oppstått sprekker nær tappen på skiven. Der delen ...