Browsing NTNU Open by Title
Now showing items 60770-60789 of 101989
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Modeling of the Skywalker X8 Fixed-Wing UAV: Flight Tests and System Identification
(Peer reviewed; Journal article, 2022)This paper proposes a combination of wind-tunnel tests and flight experiments to find an aerodynamic model of the Skywalker X8 airframe. The static coefficients resulting from wind-tunnel tests are augmented with a ... -
Modeling of thermophysical properties of hydrogen-containing mixtures with application to production, transport and storage of hydrogen
(Master thesis, 2023)As the world is grappling with an unprecedented energy and climate change crisis, it has become imperative to transition from traditional fossil fuels to alternative, sustainable energy sources with low or zero carbon ... -
Modeling of Transient CO2 Flow in Pipelines and Wells
(Master thesis, 2013)CO2 capture and storage (CCS) may play a significant role in reducing carbon dioxide emissions in the near future, but to achieve this, there are some key challenges that need to be addressed further. This work will focus ... -
Modeling of Transport Phenomena in Structured Gas Diffusion Layers for Proton Exchange Membrane Fuel Cells
(Master thesis, 2022)To reduce CO2 emissions and reach the ambitious goals towards a greener world, it is crucial to develop more emission-free transport sources. A promising technology for a greener automobile industry is proton-exchange membrane ... -
Modeling of Two-Phase Flow for Estimation and Control of Drilling Operations
(Doctoral thesis at NTNU;2016:136, Doctoral thesis, 2016)Modern approaches to process monitoring, optimization and control promise enhanced robustness and performance through the merger of process knowledge encoded in mathematical models with real-time measurements from the ... -
Modeling of two-phase gas-oil flow in a vertical pipe with viscous oil
(Master thesis, 2014)Most of the physical models that are used for modeling two phase gas oil flows are derived from experiments with less viscous oil. This paper has studied the applicability of these models in commercial codes for flows with ... -
Modeling of Underground Gas Storage Project
(Master thesis, 2010)As underground gas storage becomes one of the important and effective methods for supplying natural gas, modeling such system would help any individuals who own storage facilities plan their project and optimize their ... -
Modeling of underwater snake robots
(Chapter, 2014)Increasing efficiency by improving the locomotion methods is a key issue for underwater robots. Hence, an accurate dynamic model is important for both controller design and efficient locomotion methods. This paper presents ... -
Modeling of underwater snake robots moving in a vertical plane in 3D
(Journal article, 2014)Increasing efficiency by improving the locomotion methods is a key issue for underwater robots. Consequently, an accurate dynamic model is important for both controller design and for the development of efficient locomotion ... -
Modeling of underwater swimming manipulators
(Journal article; Peer reviewed, 2016)For several decades, the traditional ROV has been the workhorse used for any kind of subsea operations. The industry is now facing an important shift towards more economical and more efficient operations on subsea ... -
Modeling of Water Age in the Drinking Water Distribution System of Trondheim Kommune
(Master thesis, 2020)Abstract: Drinking water provision is fundamental to human activities, and has major direct and indirect effects on society, economy and the environment. Drinking water quality is affected by raw water quality, as well ... -
Modeling of Water Age in the Drinking Water Distribution System of Trondheim Kommune
(Master thesis, 2020)Drikkevannsforsyning er helt grunnleggende for menneskelig aktivitet, og innvirker sterkt i samfunn, økonomi og miljø. Drikkevannskvalitet påvirkes av råvannet, vannbehandling, samt prosesser og hendelser ute på vannettet. ... -
Modeling of Water Behavior in Hydraulically-Fractured Shale Gas Wells
(Master thesis, 2013)This study presents the modeling of water behavior in hydraulically-fractured of shale gas wells. A five layers model represents a hydraulically-fractured shale gas well was built in Sensor reservoir simulator through ... -
Modeling of Water Transport in Highly Saturated Concrete with Wet Surface During Freeze/thaw
(Journal article; Peer reviewed, 2018)Wet frost exposure is a usual environmental condition for cement-based materials (CBM) during winter and the most common way of frost testing in the lab. In this study, the temperature gradient, pressure gradient, and the ... -
Modeling of windshields subjected to impact loading
(Master thesis, 2018)Modern windshields are made of laminated glass, which consists of two glass panes bonded together with a polymer interlayer. The interlayer improves performance in many areas compared to monolithic glass. The post-fracture ... -
Modeling of Work Hardening for Aluminum Alloy Structures
(Master thesis, 2016)The hardening behavior of aluminum alloys can be described by a combined material model with both isotropic and kinematic hardening. The kinematic contribution is often excluded in numerical simulations if a cyclic stress ... -
Modeling Operational Performance for the Global Fleet & Application of an Energy Saving Measure
(Doctoral theses at NTNU;2023:88, Doctoral thesis, 2023)In order to reduce greenhouse gas emissions (GHG) from ships at sea, various measures have been considered, such as alternative fuels with low carbon intensity, innovative ship technology, and new policies. To successfully ... -
Modeling Optical Current Transformers in a Digital Substation
(Master thesis, 2022)Denne masteroppgaven fokuserer på teknologier i en digital transformatorstasjon , med et videre fokus på optiske strømtransformatorer og strømtransformatorers ytelse og interoperabilitetet som mating til et transformator ... -
Modeling over-ageing in Al-Mg-Si alloys by a multi-phase CALPHAD-coupled Kampmann-Wagner Numerical model
(Journal article, 2017)The formation of the equilibrium precipitation phase during ageing treatment of Al-Mg-Si alloys is preceded by a series of metastable phases. Given longer ageing time, higher ageing temperature or elevated temperature ... -
Modeling packet loss rate of IEEE 802.15.4 links in diverse environmental conditions
(Chapter, 2018)Modeling and prediction of Packet Loss Rate (PLR) of wireless links using hardware information is essential for the design of higher-layer protocols in Wireless Sensor Networks. While many previous studies revealed the ...