Browsing USN Open Archive by Title
Now showing items 247-266 of 10076
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An experimental and computational study of flow behaviour in bubbling fluidized beds
(Doctoral theses at NTNU;2005:70, Doctoral thesis; Peer reviewed, 2005)Experimental and computational studies of bubble behaviour in gas/solid fluidized beds have been performed. Bubble behaviour depends on particle density, particle size and size distribution and emphasis is given to study ... -
An Experimental and Theoretical Study of Dense Fluidized Bed Fluid Dynamics
(Doctoral dissertations at TUC;2012:3, Doctoral thesis; Peer reviewed, 2012-05-31)The papers presented in the present study aim to elucidate the complex fluid dynamic phenomena in a cold dense phase fluidized bed reactor. Theoretical and experimental studies were conducted with this aim and several ... -
An experimental investigation of rapid boiling of CO2
(Journal article; Peer reviewed, 2014-09-27)Storage of pressurized liquified gases is a growing safety concern in many industries. Knowledge of the thermodynamics and kinetics involved in the rapid depressurization and evaporation of such substances is key to the ... -
An experimental study of temperatures in cloud from release of flashing liquid CO2 in 3m long channel.
(Journal article; Peer reviewed, 2014)Flashing of the liquid CO2 is an accidental hazards that may occurs in many industrial sector such as, process industries, carbon capture and storage projects, crude oil extraction process etc. Sometimes the accidental ... -
An exploration of factors associated with older persons’ perceptions of the benefits of and satisfaction with a preventive home visit service.
(Journal article; Peer reviewed, 2017)Background: Preventive home visits (PHV) are healthcare services aimed at promoting the health of home-dwelling older people, and to support their abilities to live independently. To enhance effectiveness, studies that ... -
An In Situ Experimental Study of Effects on Submerged Vegetation After Activated Carbon Amendment of Legacy Contaminated Sediments
(Journal article; Peer reviewed, 2018)Activated carbon (AC) amendment has been shown to reduce bioavailability of hydrophobic contaminants in the bioactive layer of sediment. Unwanted secondary effects of AC amendment could be particularly undesirable for ... -
An Integrated Process and Outcome Evaluation of a Web-Based Communication Tool for Patients With Malignant Lymphoma: Randomized Controlled Trial
(Journal article; Peer reviewed, 2016)Background The complex nature of the medical dialogue and the often emotional context in cancer care present challenges to health care professionals (HCPs) and patients. Patients are increasingly expected to be informed ... -
An intervention designed to improve sensory impairments in the elderly and indoor lighting in their homes: an exploratory randomized controlled trial
(Journal article; Peer reviewed, 2015)Background: Vision and hearing impairments in the elderly (aged over 80 years) and poor indoor lighting conditions in a home-care setting are risk factors for functional decline, reduced social participation, withdrawal, ... -
An investigation into cyber security risk mitigation and the human factor in developing a cyber security culture - A comparative analysis of two maritime companies in Norway
(Master thesis, 2023)The objective of this study is to conduct an analysis of two maritime companies located in Norway, investigating the participants knowledge and behaviours contributing as human factors shaping the companies cyber security ... -
An investigation of the process of change in psychopathology and exercise during inpatient treatment for adults with longstanding eating disorders
(Journal article; Peer reviewed, 2018)Background: Excessive exercise is recognized as a predictor of poor outcome in eating disorders. However, little is known about how excessive exercise might affect the treatment process. The aim of this study was to describe ... -
An mHealth Intervention for Persons with Diabetes Type 2 Based on Acceptance and Commitment Therapy Principles: Examining Treatment Fidelity
(Journal article; Peer reviewed, 2018)Background: Web-based interventions are becoming an alternative of treatment aimed to support behavioral changes and several advantages over traditional treatments are reported. New ways of delivering an intervention may ... -
An Optimization Framework for Tracking Droplets in Fire Water Spray Images
(Conference object; Peer reviewed, 2015-11-25)The properties of the flow from fire water nozzles, like droplet size and velocity distribution within the spray, are known to influence the fire suppression efficiency. To analyze the flow properties, the water spray is ... -
Anaerob utholdenhet, betyr det noe for en mellomdistanseprestasjon?
(Master thesis, 2023)Formål: Formålet med denne masteroppgaven var å undersøke betydningen av anaerob utholdenhet målt som tid til utmattelse (TTU) på 130 % av maksimal aerob power (MAP) og maksimal aerob hastighet (MAS) for tidsprestasjon i ... -
Anaerobic degradation of industrial carbon capture reclaimer MEA waste
(Doctoral dissertations at TUC;2014:5, Doctoral thesis; Peer reviewed, 2014-04-04)Global warming and its impacts are serious and challenging international problems (Vitousek, 1994). Increasing fossil fuel consumption results in rising atmospheric greenhouse gas levels which enhances global warming ... -
Anaerobic Digestion of Aqueous Pyrolysis Liquid in ADM1
(Peer reviewed; Journal article, 2021)Aqueous pyrolysis liquid (APL) is formed from pyrolysis of lignocellulosic biomass and is considered as a possible feed for anaerobic digestion (AD). APL is known to contain many components that can have a negative impact ... -
Anaerobic Digestion of Hemicellulosic Sugars Implemented in ADM1
(Peer reviewed; Journal article, 2020)Lignocellulosic biomass is a sustainable and renewable source for both solids like biochar and biomethane by anaerobic digestion (AD). Hot water extraction (HWE) improves the total utilization of the biomass and produces ... -
Anaerobic digestion of pig manure supernatant at high ammonia concentrations characterized by high abundances of Methanosaeta and non-euryarchaeotal archaea
(Journal article; Peer reviewed, 2017)We examined the effect of ammonium and temperature on methane production in high rate upflow anaerobic sludge bed reactors treating pig manure supernatant. We operated four reactors at two ammonium concentrations (‘low’ ... -
Anaerobic digestion of substrates rich in sulphur and nitrogen
(Master thesis, 2023)There is an increase interest in producing biogas from organic waste, such as cow manure and fish sludge. The government in Norway is encourages farmers to invest in biogas facilities with financial incentives. A recently ... -
Anaerobic Digestion Process Modeling Under Uncertainty: A Narrative Review
(Peer reviewed; Journal article, 2023)Growing concern about global climate change has led to considerable interest in investigating renewable energy sources such as the biological conversion of biomass to methane in an anaerobic environment. Through a series ... -
Anaerobic expanded granular sludge bed (EGSB) reactor for the removal of sulphide by autotrophic denitrification.
(Journal article; Peer reviewed, 2014)The Removal efficiency, load and N/S molar ratio, of an EGSB reactor for autotrophic sulphide denitrification operated for 96 days, were studied. The reactor was operated at high inlet sulphide concentrations between 0.25 ...