Blar i USN Open Archive på tittel
Viser treff 1203-1222 av 9715
-
Computational Fluid Dynamics Study of the Effects of Drill Cuttings on the Open Channel Flow
(Peer reviewed; Journal article, 2019)A three-dimensional computational fluid dynamics (CFD) study was carried out for drilling fluid flow with drill cuttings in open channels. The flow is similar to the return flow when drilling, stream containing drilling ... -
Computational modeling and experimental studies on fluidized bed regimes
(Master thesis, 2018)The fluidization technology has a wide range of applications from chemical synthesis to pneumatic transportation and circulation of species. Different process applications require different flow regimes and the type of ... -
Computational modeling of fluidized bed behavior with agglomerates
(Journal article; Peer reviewed, 2020)Fluidized bed reactors can be used for biomass gasification. The product from biomass gasification is syngas, which can be used for production of bio oil. The main challenge when using fluidized bed for gasification is ash ... -
Computational modeling of fluidized bed behavior with agglomerates.
(Master thesis, 2020)The transition towards the use of more renewable energy is an essential subject for the imminent climate crisis. Biomass can be converted into syngas in a gasification process. The formation of agglomerates in a Bubbling ... -
Computational particle fluid dynamics simulation of biomass gasification in an entrained flow gasifier
(Journal article; Peer reviewed, 2021)Entrained flow gasification is an established technology for coal and petroleum coke particles. The technology is being investigated extensively for biomass gasification to meet the requirement of the green energy targets. ... -
Computational study of CO2 injection for enhanced oil recovery and storage
(Journal article; Peer reviewed, 2020)Injection of supercritical carbon dioxide (CO2) for enhanced oil recovery (EOR), plays a vital role to minimize the impact of CO2 emissions. CO2-EOR refers to the oil recovery technique where supercritical CO2 is injected ... -
Computational Study of CO2 Injection for Enhanced Oil Recovery and Storage
(Master thesis, 2023)After a while of oil production from reservoir, pressure of reservoir will be decreased, and the rate of production will be decreased too as a result some oil will remain in the reservoir. One of the main problems is ... -
Computational study of fingering phenomenon in heavy oil reservoir with water drive
(Journal article, 2015)The objective of this paper is to numerically study the flow in heavy oil reservoir with water drive. The main focus is to investigate the viscous fingering phenomenon and how it affects the oil recovery. Two-dimensional ... -
Computational study of heat transfer in subsea deadlegs for evaluation of possible hydrate formation
(Master thesis, 2007)The background for this project is the request of achieving more knowledge of the temperature and velocity fields in different subsea deadleg geometries. This is important to avoid hydrate formation in subsea equipment. ... -
Computational Study of Heavy Oil Production with Inflow Control Devices
(Journal article; Peer reviewed, 2015-11-25)Recovery of heavy oil is associated with challenges in terms of early water or gas breakthrough caused by the fingering phenomenon. This study is related to Californian heavy oil production and includes 2D simulations of ... -
Computed X-ray Tomography Study of Carbonate Precipitation in Large Portland Cement Pores
(Journal article; Peer reviewed, 2019)Cement degradation caused by CO2 exposure is an increasingly important environmental challenge that must be understood, for example, if former oil reservoirs are to be used for CO2 storage. When exposed to CO2-saturated ... -
Computer Vision Based Path Following for Autonomous Unmanned Aerial Systems in Unburied Pipeline Onshore Inspection
(Peer reviewed; Journal article, 2022)Unmanned Aerial Systems (UAS) are becoming more attractive in diverse applications due to their efficiency in performing tasks with a reduced time execution, covering a larger area, and lowering human risks at harmful ... -
Computing Ischemic Regions in the Heart: On the Use of Internal Electrodes
(Conference object; Peer reviewed, 2013-09)In order to better locate ischemic regions in the heart using electrical measurements and inverse solutions, we explore the possibility for supplementing BSPM data sets with additional internal electrodes in the esophagus. ... -
A Conceptual Framework for Data Sensemaking in Product Development—A Case Study
(Peer reviewed; Journal article, 2022)The industry acknowledges the value of using data and digitalization approaches to improve their systems. However, companies struggle to use data effectively in product development. This paper presents a conceptual framework ... -
A Conceptual Framework Proposal for a Noise Modelling Service for Drones in U-Space Architecture
(Peer reviewed; Journal article, 2021)In recent years, there has been a rapid growth in the development and usage of flying drones due to their diverse capabilities worldwide. Public and private sectors will actively use drone technology in the logistics of ... -
A conceptual model of feedback mechanisms in adjusted affordances – Insights from usage of a mental mobile health application
(Peer reviewed; Journal article, 2022)Affordance theory provides one of the most prominent lenses through which the socio-technical aspects of a system’s use can be investigated and understood. In this context, the literature has proposed that perceived and ... -
Conceptual Modeling for Architectural Reasoning in the Energy Domain
(Doctoral dissertations at the University of South-Eastern Norway;136, Doctoral thesis, 2022)This thesis explores systems architecting in the concept stage in the energy domain. Specifically, the thesis explores how conceptual modeling can be applied in this context to support architectural reasoning. The main ... -
Conceptual modeling for Human Systems Integration in Manned-Unmanned Teaming
(Chapter, 2023)Future systems are becoming increasingly complex as autonomous systems work closely with human operators. Transdisciplinary development is needed to create systems functioning in dynamic Manned-Unmanned Teaming (MUM-T) ... -
Conceptual modeling of energy storage systems
(Peer reviewed; Journal article, 2021)Conceptual models are explicit representations of complex systems that help people understand and communicate the system and its behavior in its actual context. The stable energy systems that we rely on in our daily life ... -
Conceptual Modelling of Seasonal Energy Storage Technologies for Residential Heating in a Dutch town Best
(Peer reviewed; Journal article, 2021)The increasing growth of modern renewables in countries with significant seasonal variations leads to a growing amount of excessive energy generated in peak seasons. This combined with the shortage of renewable energy in ...