Blar i Institutt for maskinteknikk og produksjon på tittel
Viser treff 3017-3036 av 3992
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Pulsed Plasma Nitriding (PPN): Effect on Hydrogen Embrittlement and Hydrogen Absorption and Diffusion
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:168, Doctoral thesis, 2013) -
Pump Storage Hydropower for delivering Balancing Power and Ancillary Services - A Case Study of Illvatn Pump Storage Power Plant
(Master thesis, 2015)The power markets in Europe are changing rapidly. The drastic shift towards renewable energy and interconnection between power markets has brought with it challenges related to power balance and grid stability. Consumption ... -
Pumpe-og effektkraftverk i Nordfjord
(Master thesis, 2012)Den nordiske kraftmarknaden er i endring, mellom anna som følgje av utbygging av mykje uregulert produksjon i Noreg og Europa. Uregulert produksjon må balanserast, og Noreg har reguleringsmagasin som kan nyttast til formålet. ... -
Pumped Storage Development in Øvre Otra, Norway
(Master thesis, 2012)The objective with this thesis was to describe the challenges related to PSH, both for this particular study and in more general terms.The method used was to make assumptions that would apply to traditional hydropower and ... -
PUMPEKRAFTVERK MELLOM STORE UREVATNET OG VATNDALSVATNET I ØVRE OTRA - TUNNELSYSTEM
(Master thesis, 2012)EU har planer for en storstilt utbygging av uregulerbar kraft, og etterspør regulerbar kraft som kan balansere forskjellen mellom kraftforbruk og kraftproduksjon. Norge har et fleksibelt vannkraftsystem, og kan bli en ... -
Punctuality development and delay explanation factors on Norwegian railways in the period 2005–2014
(Peer reviewed; Journal article, 2021)The paper revisits an investigation of delays and punctuality on Norwegian railroads from 2010, re-evaluating its findings and studying the effects of later measures put in place between 2010 and 2014. Norwegian railways ... -
Pushing the limits of beam-steering lens arrays
(Journal article; Peer reviewed, 2019)An essential part of a concentrated solar power system is the solar tracker. Tracking is usually implemented by rotating the entire optical system to follow the sun, adding to the bulk and complexity of the system. ... -
The Puzzle of Project Transaction Costs - Optimising project transaction costs through client-contractor collaboration
(Doctoral theses at NTNU;2021:5, Doctoral thesis, 2021)Kostnadsoverskridelser er et gjentakende problem i bygg- og anleggsnæringen, både nasjonalt og internasjonalt. Totalkostnad i et prosjekt er summen av prosjektets produksjons- og transaksjonskostnader. Med produksjonskostnader ... -
Pyrolysis Kinetics and Flammability Evaluation of Rigid Polyurethane with Different Isocyanate Content
(Peer reviewed; Journal article, 2021)Polyurethane (PU) is a typical product of the reaction between isocyanate and polyol, whose ratio would greatly influence material properties. In this paper, to investigate the influence of isocyanate on PU thermal stability ... -
A Python based Simulation of Industrial Scenarios - An investigation of throughput time
(Master thesis, 2018)The goal of the thesis is to find a simulation package suitable for industrial application, create a model, run simulations with it and investigate the goodness of the choice. This thesis uses the object-oriented programming ... -
Qualification of the hybrid metal extrusion & bonding (HYB) process for welding of aluminium offshore structures
(Journal article, 2020)In the present investigation the aptness of the HYB process for butt welding of 4mm AA6082-T6 profiles is evaluated and benchmarked against one gas metal arc (GMA) weld and one friction stir (FS) weld, representing best ... -
A qualitative study of success criteria in Norwegian agile software projects from suppliers’ perspective
(Peer reviewed; Journal article, 2016)This paper provides practical insights into the success criteria in agile projects in the Norwegian software industry. We conducted 32 interviews with practitioners working with agile projects. The findings revealed two ... -
Quality and Risk Management in Projects
(Master thesis, 2012)This master thesis main topic is Quality and risk management in projects. It is written in close collaboration with the Quality and Risk Management (QRM) department at Statoil ASA (Statoil), department unit Stjørdal. The ... -
Quality incidents in projects
(Master thesis, 2010)A quality incident is an occurrence that has a negative consequence on time, cost and quality.These incidents are important for quality management in the projects. Similar to Health,Safety and Environment Incidents (HSE ... -
Quantification of Bacterial Adhesion and Characterization of Polymeric Pristine and Modified UF Membranes
(Master thesis, 2016)Membrane filtration is an important technology that might help solving future challenges regarding the access to potable drinking water. One of the main challenges in membrane operations is biofouling. Biofouling is the ... -
Quantifying Environmental Impacts of Temporary Housing at the Urban Scale: Intersection of Vulnerability and Post-Hurricane Relief in New Orleans
(Journal article; Peer reviewed, 2019)The increasing risk and exposure of people and assets to natural hazards and disasters suggests an increasing need for temporary housing following disasters. Resilience to natural hazards is dependent on the resources ... -
Quantitative comparison of cleavage and quasi-cleavage fracture surfaces in hydrogen embrittled low-carbon steel
(Journal article; Peer reviewed, 2020)The formation mechanism of the quasi-cleavage (QC) fracture surface in hydrogen embrittled low-carbon steels is not fully understood and is, therefore, intensively debated in the literature. At present, there are two ... -
Quantitative Estimation of Precipitation from Radar Measurements: Analysis and Tool Development
(Doctoral theses at NTNU;2016:51, Doctoral thesis, 2016)Current hydrological modeling efforts in Norway usually involve hourly or daily precipitation data obtained from a network of rain gauges. There is often a mismatch between the gauge network density and the spatial scale ... -
Quasi-cleavage hydrogen-assisted cracking path investigation by fractographic and side surface observations
(Journal article; Peer reviewed, 2019)Despite recent substantial advances in understanding of hydrogen embrittlement (HE), many important aspects of this widespread phenomenon remain a subject of debates. Particularly, remarkably different opinions have been ... -
Quasi-static behavior of 3D printed lattice structures of various scales
(Peer reviewed; Journal article, 2021)Additive manufacturing technology has been playing an important role in industrial applications due to the potential capacities to fabricate complex geometries such as lattice structures, which are treated as outstanding ...