Blar i Institutt for prosess-, energi- og miljøteknologi på tittel
Viser treff 283-302 av 333
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Simulation of FA and DDT in a channel with repeated obstacles with an under-resolved mesh
(Conference object; Peer reviewed, 2009) -
Simulation of flame acceleration and DDT in H-2-air mixture with a flux limiter centered method
(Journal article; Peer reviewed, 2007)Flame acceleration and deflagration to detonation transition (DDT) is simulated with a numerical code based on a flux limiter centered method for hyperbolic differential equations. The energy source term is calculated by ... -
Simulation of flame acceleration in an obstructed tube with LES
(Conference object; Peer reviewed, 2007) -
Simulation of Gasification of Livestock Manure with Aspen Plus
(Conference object; Peer reviewed, 2015-11-25)Gasification is a flexible technology where all types of organic waste including biomass from manure can be used as feed to the reactor. The recovery of energy from solid waste offers several benefits including substantial ... -
Simulation of improved absorption configurations for CO2 capture
(Conference object; Peer reviewed, 2015-11-25)The most well-known technology for post combustion CO2 capture from exhaust gas is absorption in an amine-based solvent followed by desorption. The drawback of this method is the high heat consumption required for desorption. ... -
Simulation of Oil Production from Homogenous North Sea Reservoirs with Inflow Control using OLGA/Rocx
(Journal article; Peer reviewed, 2017)Advances in drilling technology have made long, horizontal wells the preferred method to extract oil from reservoirs in the Norwegian Sector. Early water or gas breakthrough is a passive inflow control devices (ICD) are ... -
Simulation of Oil Recovery Through Advanced Wells Using a Transient Fully Coupled Well-Reservoir Model
(Chapter, 2023)Oil recovery can be enhanced by maximizing the well-reservoir contact using long horizontal wells. One of the main challenges of using such wells is the early breakthrough of unwanted fluids due to the heel-toe effect and ... -
Simulation of Simplified Model for Reaction Kinetics in Biomass Gasification
(Conference object; Peer reviewed, 2015-11-25)Due to complexity in interactions between solid particles and between particles and carrier fluid, modeling of biomass gasification kinetics has been shown to be very challenging. Some commercial packages such as Barracuda ... -
Simulation of the Effect of Local Electric Potential and Substrate Concentration on CO2 Reduction via Microbial Electrosynthesis
(Peer reviewed; Journal article, 2022)Integrating anaerobic digestion into electrochemical reactors is an advanced technology for biomethane recovery. Imposing low electric potential between electrodes, supplies CO2, electrons, and hydronium ions from anodic ... -
Simulation of Transcritical Flow in Hydraulic Structures
(Journal article; Peer reviewed, 2015-11-25)In hydraulic engineering, transcritical flows are often required in some applications. One example is in a Venturi channel where the occurrence of critical depth is used to estimate flow rate in the channel. In this paper, ... -
Simultaneous hydrogen production and consumption in Anaerobic mixed culture fermentation
(Journal article, 2012)The aim of the present study is to investigate the relevance of homoacetogenic H2 consumption on the bio-hydrogen yield and products distribution in mixed culture fermentation. A hybrid anaerobic reactor was operated for ... -
Sludge blanket anaerobic baffled reactor for source-separated blackwater treatment
(Journal article; Peer reviewed, 2018)The performance of a sludge blanket anaerobic baffled reactor was tested as an integrated treatment system for source-separated blackwater. The system consists of a stirred equalization tank, a buffer inlet tank, and two ... -
Solving random walk recursions in the plane using separation of variables and Fourier analysis
(Professional article, 2009-04-21)The aim of this article is first of all to show how to solve a two-dimensional random walk problem on an arbitrary rectangle with certain boundary conditions, using separation of variables and discrete Fourier analysis. ... -
Speciation of MEA-CO2 adducts at equilibrium using Raman spectroscopy
(Journal article; Peer reviewed, 2014) -
Spray drop size characterization in an external-mixing bluff-body atomizer based on acoustics and Multivariate Analysis
(Peer reviewed; Journal article, 2022)Air-assist atomizers have been widely used in various applications such as the aerospace industry, internal combustion engines, molten metal, food processing, etc. The mean drop size for these atomizers was obtained through ... -
Statistical diagnosis of a gas-solid fluidized bed using Electrical Capacitance Tomography
(Journal article; Peer reviewed, 2012)Fluidization experiments were performed using several particle size distributions of spherical glass particles, ranging from Geldart B to D. An Electrical Capacitance Tomography (ECT) tomograph was utilised in the present ... -
Stepwise Analysis Of Gasification Reactions With Aspen Plus And Cpfd
(Journal article; Peer reviewed, 2017)The energy from biomass can be utilized through the thermochemical conversion processes of pyrolysis and gasification. Biomass such as wood chips is heated in a gasification reactor to produce a synthesis gas containing ... -
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 ... -
Study of agglomeration in fluidized bed gasification of biomass using CPFD simulations
(Journal article; Peer reviewed, 2019)Fluidized beds have been widely applied for the gasification of biomass. However, at high temperatures ash melting and subsequently bed agglomeration may occur. When biomass is used for thermal conversion processes, inorganic ... -
Study of agricultural waste gasification in an air-blown bubbling fluidized bed using a CPFD model
(Journal article; Peer reviewed, 2020)Gasification using a fluidized bed is a promising technology to convert agricultural residues into product gases. In this work, the syngas production potential from agricultural waste (grass pellets) is studied using ...