Blar i 2 Doktoravhandlinger ved Universitetet i Sørøst-Norge på tittel
Viser treff 131-150 av 246
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Methane production from lignocellulosic residues
(Doctoral dissertations at the University of South-Eastern Norway;93, Doctoral thesis, 2021-05-25)Aims: Biochar production by intermediate pyrolysis of renewable lignocellulosic biomass to replace traditional carbon material as a reducing agent and energy source in the metallurgical industries produces carbon rich waste ... -
Micro and Nano Technologies for Unmanned Nano Air Vehicles (NAVs)
(Doctoral theses at Buskerud and Vestfold University College;2, Doctoral thesis, 2014)Nano Air Vehicles (NAVs) consist of remotely controlled miniaturized flying objects with maximum dimensions smaller than 15 cm and less than 20 g in weight. The small size of such systems allows them to penetrate and ... -
The microbiology and geochemistry of a landfill-contaminated aquifer
(Doctoral dissertations at the University of South-Eastern Norway;107, Doctoral thesis, 2021-10-20)Thousands of aquifers worldwide have been polluted by landfill leachates and many more remain threatened. However, the ecology of these perturbed aquifers remained understudied. The current study incorporates aspects of ... -
Miniaturization of Circuit Packaging of an Accelerometer Heart Monitoring Device
(Doctoral dissertations at the University College of Southeast Norway;7, Doctoral thesis, 2016)Continuous monitoring heart activity based on implantable accelerometer devices have been demonstrated as efficient method that could provide higher sensitivity and specificity than the conventional electrocardiography ... -
Mobile radiography services in nursing homes - utilisation, costs and organisation
(Doctoral dissertations at the University of South-Eastern Norway;32, Doctoral thesis, 2019)Background: Due to demographic changes in the western world, with an ageing population and fewer resources for health services, there is a need for a new way of organising and delivering health services to the population. ... -
Modeling and design of piezoelectrically actuated MEMS tunable lenses
(Doctoral dissertations at the University of South-Eastern Norway;76, Doctoral thesis, 2020)Autofocus is a crucial feature in cameras, especially when photographing objects at different distances and having them in sharp focus without any quality loss in the captured image. Over the last decade, several research ... -
Modeling for Automatic Control and Estimation of Influx and Loss During Drilling Operations
(Doctoral dissertations at the University of South-Eastern Norway;61, Doctoral thesis, 2020-03-20)In the modern energy driven world, oil and gas will be important resources, at least in the foreseeable future. Wells with challenging pressure windows are more com-monly drilled, and in recent years the drop in oil prices ... -
Modeling, Control and Optimization of a Hydropower Plant
(Doctoral dissertations at the University College of Southeast Norway;33, Doctoral thesis, 2017-12-19)Hydropower is a crucial power resource for everyday life in Norway, and a traditional industry that could be improved along with new updated technologies. The PhD work focuses on exploring new solutions, in aspect of ... -
Modelling and simulations of bubbling fluidized bed and entrained flow biomass gasification reactors
(Doctoral dissertations at the University of South-Eastern Norway;118, Doctoral thesis, 2022-02-24)The world needs sustainable energy solutions to replace fossil fuels. Climate change is the defining challenge of our time. New reports from the International Energy Agency (IEA, 2021)1 have developed a roadmap for max ... -
Modelling of ash melts in gasification of biomass
(Doctoral dissertations at the University of South-Eastern Norway;120, Doctoral thesis, 2022-03-04)The need for advanced biofuels produced from sustainable sources is stressed, both on national and international level due to a global agreement to limit the Earth’s global warming. The major goals in the Norwegian agreement ... -
Modelling of gas explosions
(Doctoral theses at NTNU;2010:221, Doctoral thesis; Peer reviewed, 2010-12-03)The content of this thesis is a study of gas explosions in complex geometries and presentation and validation of a method for simulating flame acceleration and deflagration to detonation transition. The thesis includes a ... -
Modelling Tool for Hydropower Systems, with Analysis and Design
(Doctoral dissertations at the University of South-Eastern Norway;173, Doctoral thesis, 2023-10-19)The increased use of renewable energy sources is due to an increasing global energy need, and to counter the effects of fossil fuels on the environment. Common renewable energy sources such as solar energy and wind energy ... -
Models and Estimators for Flow of Topside Drilling Fluid
(Doctoral dissertations at the University of South-Eastern Norway;44, Doctoral thesis, 2019-10-08)The reduction of risk and non-productive time in oil drilling is a key research interest in the oil and gas industry. The early detection of kick and loss is a crucial part in safe well control operations, thus, it plays ... -
Multilingualism in mainstream language education in Norway: Perceptions and operationalizations
(Doctoral dissertations at the University of South-Eastern Norway;146, Doctoral thesis, 2022-12-09)The present PhD-study has examined perceptions and operationalizations of multilingualism in mainstream language classrooms in Norway. It has investigated how students and teachers at the upper secondary schoollevel, and ... -
Multivariable process control in high temperature and high pressure environment using non-intrusive multi sensor data fusion
(Doctoral theses at NTNU;2006:38, Doctoral thesis; Peer reviewed, 2006)The main objective of this thesis is to use available knowledge about a process and combine this with measurement data from the same process to extract more information about the process. The combination of knowledge and ... -
Multivariate image regression (MIR) for quantitative predictions : prototype software implementation and selected industrial-technological pilot studies
(Doctoral theses at NTNU;2000:99, Doctoral thesis; Peer reviewed, 2000)In large and important sectors of modern production, there is an increased demand for on-line or at-line information. Both consumers and governmental regulations require that producers can document the quality of their ... -
Natural and human-induced impacts on the genetic structure of Eurasian reindeer
(Doctoral dissertations at the University College of Southeast Norway;11, Doctoral thesis, 2017-03-17)Geografisk variasjon hos arter og populasjoner er basert på genetisk variasjon, som videre er grunnleggende for naturstyrt evolusjon. Genetisk variasjon og struktur er styrt av faktorer som mutasjoner, seleksjon og genetisk ... -
Naturen som arena for utforsking og læring av naturfaglege tema i barnehagen og i barneskulen
(Doctoral thesis, 2021-05-15)Barn lærer best når læringa tek utgangspunkt i noko barna sjølve er interesserte eller engasjerte i, og når dei får ta aktivt del i eigen læringsprosess. Naturen er ein arena som synest å stimulerer barn si nysgjerrigheit ... -
Nature’s Factory: A case study of Norwegian natural ice exports in the era of industrialization, 1840-1920
(Doctoral dissertations at the University of South-Eastern Norway;159, Doctoral thesis, 2023-05-26)From roughly the middle of the 19th century until the First World War, Norway was a major exporter of natural ice to several European destinations, in particular to Great Britain. Regular-sized blocks of ice were cut from ... -
Novel encapsulation of a medical ultrasound probe
(Doctoral dissertations at the University of South-Eastern Norway;182, Doctoral thesis, 2024)Ultrasound imaging plays an important role in the diagnosis of cardiovascular diseases. A trans-esophageal echocardiography (TEE) probe uses ultrasound waves to image the heart in real time in three dimensions (3D) from ...