Browsing Institutt for prosess-, energi- og miljøteknologi by Issue Date
Now showing items 281-300 of 333
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Structural response analysis of explosions in hydrogen-air mixtures in tunnel-like geometries
(Peer reviewed; Journal article, 2021)This paper presents a structural response analysis based on the results of experiments involving gas explosions in inhomogeneous hydrogen-air mixtures in a channel. The channel was 3 m long, with a cross-section of 100 mm ... -
Laminar burning velocity of gases vented from failed Li-ion batteries
(Journal article; Peer reviewed, 2021)In the last decade, several fires and explosions caused by Li-ion batteries (LIBs) have been reported. This can be attributed to the thermal runaway and catastrophic failures of LIBs that release combustible gases, which ... -
Air gasification of wood chips, wood pellets and grass pellets in a bubbling fluidized bed reactor
(Peer reviewed; Journal article, 2021)Gasification is an attractive method for biomass-to-energy conversion and fluidized bed design is one of the best options for large scale operation. A bubbling fluidized bed reactor was used to analyze the effects of biomass ... -
Effect of Elevated Hydrogen Partial Pressure on Mixed Culture Homoacetogenesis
(Peer reviewed; Journal article, 2021)This study aimed to systematically investigate the effect of elevated hydrogen partial pressure on mixed culture homoacetogenesis in the range of 1–25 bar. Seven batch experiments were performed at different initial headspace ... -
Capital cost estimation of CO2 capture plant using Enhanced Detailed Factor (EDF) method: Installation factors and plant construction characteristic factors
(Journal article; Peer reviewed, 2021)Capital cost is frequently estimated for new and retrofit carbon capture plants as new concepts for cost reduction emerge. Capital cost during initial cost estimation of chemical plants strongly depends on the installation ... -
Naturally changing reference conditions: Evidence of isostatic uplift being the main cause of changes in ecological status in a SW Norwegian fjord system
(Peer reviewed; Journal article, 2021)According to the European Water Framework Directive (WFD), restoration actions are needed if the present-day ecological quality status (EcoQS) is worse than good. However, less stringent environmental objectives may be ... -
Liquefaction of lignocellulosic biomass for methane production: A review
(Peer reviewed; Journal article, 2021)Hydrothermal pretreatment (HTP) (Hot water extraction (HWE) and steam pretreatment) and pyrolysis have the potential to liquefy lignocellulosic biomass. HTP produces hydrolysate, consisting mainly of solubilized hemicellulose, ... -
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. ... -
Bicarbonate for microalgae cultivation: a case study in a chlorophyte, Tetradesmus wisconsinensis isolated from a Norwegian lake
(Peer reviewed; Journal article, 2021)Bicarbonate was evaluated as an alternative carbon source for a green microalga, Tetradesmus wisconsinensis, isolated from Lake Norsjø in Norway. Photosynthesis, growth, and lipid production were studied using four inorganic ... -
Effect of Mechanical Ventilation on Accidental Hydrogen Releases—Large-Scale Experiments
(Peer reviewed; Journal article, 2021)This paper presents a series of experiments on the effectiveness of existing mechanical ventilation systems during accidental hydrogen releases in confined spaces, such as underground garages. The purpose was to find the ... -
Simulation of Condensation in Biogas containing Ammonia
(Peer reviewed; Journal article, 2021)Condensation in raw biogas during compression is a problem because the CO2 and water in the liquid phase is very corrosive. Raw biogas typically contains 60 mol-% methane, 40 mol-% CO2, is saturated with water and may ... -
Simulation based Cost Optimization tool for CO2 Absorption Processes: Iterative Detailed Factor (IDF) Scheme
(Journal article; Peer reviewed, 2021)A simple, fast, and accurate process simulation based cost estimation and optimization scheme was developed in Aspen HYSYS based on a detailed factorial methodology for solvent-based CO2 absorption and desorption processes. ... -
Simulation and Impact of different Optimization Parameters on CO2 Capture Cost
(Journal article; Peer reviewed, 2021)The influence of different process parameters/factors on CO2 capture cost, in a standard amine based CO2 capture process was studied through process simulation and cost estimation. The most influential factor was found to ... -
Er elbilen et bærekraftig alternativ til fossilbilen?
(Report, 2021)De globale klimagassutslippene må reduseres til nær null i løpet av de nærmeste tre tiårene om vi skal unngå dramatiske endringer av klimaet. Transportsektoren, herunder personbilen, står for en betydelig del av ... -
The sampling interface—A critical Theory of Sampling success factor in process sampling and PAT
(Journal article, 2022)In the process industry arena, analytical endeavors are today well served by the Process Analytical Technology (PAT) framework, offering a plentitude of on-line analytics, mostly spectroscopic: UV-VIS, NIR, RAMAN, NMR, ... -
Cost and Emissions Reduction in CO2 Capture Plant Dependent on Heat Exchanger Type and Different Process Configurations: Optimum Temperature Approach Analysis
(Peer reviewed; Journal article, 2022)The performance of a plate heat exchanger (PHE), in comparison with the conventional shell and tube types, through a trade-off analysis of energy cost and capital cost resulting from different temperature approaches in the ... -
A Scoping Review on Environmental, Economic, and Social Impacts of the Gasification Processes
(Peer reviewed; Journal article, 2022)In recent years, computer-based simulations have been used to enhance production processes, and sustainable industrial strategies are increasingly being considered in the manufacturing industry. In order to evaluate the ... -
Evaluating the performance of advanced wells in heavy oil reservoirs under uncertainty in permeability parameters
(Peer reviewed; Journal article, 2022)Advanced wells play a crucial role in maximizing the efficiency of oil production. To achieve a successful design for advanced wells, several parameters must be considered and evaluated. Uncertainty in these parameters can ... -
Numerical study of premixed gas explosion in a 1-m channel partly filled with 18650 cell-like cylinders with experiments
(Peer reviewed; Journal article, 2022)Abused and defective Li-ion cells can cause a catastrophic failure of a Li-ion battery (LIB), leading to severe fires and explosions. In recent years, several numerical and experimental studies have been conducted on the ... -
Proceedings of the Tenth International Seminar on Fire and Explosion Hazards, 22-27 May 2022, Oslo, Norway
(Conference object; Peer reviewed, 2022)The Tenth International Seminar on Fire and Explosion Hazards (ISFEH10) organized in Oslo, Norway from 22 to 27 May 2022, is a place to share research on the physical effects of hazards, prediction methods for consequences, ...