Browsing Institutt for prosess-, energi- og miljøteknologi by Issue Date
Now showing items 101-120 of 333
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Simulation of CO2-Distribution in Fractured Oil Reservoir
(Conference object; Peer reviewed, 2015-11-25)Deep geologic injections and storage of Carbon dioxide (CO2) for enhanced oil recovery (EOR) are an upcoming combination due to the potential for increased oil production from depleted oilfields at the same time reducing ... -
Modeling of the Energy Consumption within the Framework of the Energy Efficiency Management
(Conference object; Peer reviewed, 2015-11-25)Insufficient level of the energy efficiency in Ukraine requires an immediate reformation of the Ukrainian power sector in order to stimulate power enterprises and final consumers to decreasing of fossil fuel and power ... -
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 ... -
Process Simulation of Calcium Looping With Indirect Calciner Heat Transfer
(Conference object; Peer reviewed, 2015-11-25)In calcium looping (CL), calcium oxide (CaO) is used as a sorbent for carbon dioxide (CO2). The CO2 reacts with CaO to produce calcium carbonate (CaCO3) in a carbonator operating at about 650 °C. The CaCO3 is then sent to ... -
Aspen Plus Simulation of Biomass Gasification with known Reaction Kinetic
(Conference object; Peer reviewed, 2015-11-25)The energy from biomass can be utilized through the thermochemical conversion processes of pyrolysis and gasification. The Aspen Plus simulation tool is applicable for simulation of the gasification processes. The most ... -
Near Well Simulation of Extra-Heavy Oil Production Using SAGD
(Conference object; Peer reviewed, 2015-11-25)Heavy oil and bitumen represent a massive world resource more than twice the size of global reserves of light or conventional oil. In reservoirs with extra heavy oil and bitumen, thermal methods are used to reduce the oil ... -
Near Well Simulation and Modelling of Oil Production From Heavy Oil Reservoirs
(Conference object; Peer reviewed, 2015-11-25)Heavy oil reservoirs cover up two third of the world's hydrocarbon reservoirs. Even though it is vast energy resource, heavy oil recovery is not considered economical due to its high viscous properties. Generally horizontal ... -
Near Well Simulation of CO2 Injection for Enhanced Oil Recovery (EOR)
(Journal article; Peer reviewed, 2015-11-25)A major challenge in oil industry is the declining oil production and the relatively low recovery rate. Estimates show that although the oil is localized and mobile, more than half of the oil is remaining in the reservoir ... -
Near Well CFD Simulation of SAGD Extra Heavy Oil Production
(Journal article; Peer reviewed, 2015-11-25)Near well computational fluid dynamic simulation for extra heavy oil production using steam assisted gravity drainage was studied with ANSYS Fluent software. Computational fluid dynamic simulation can predict the multiphase ... -
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 ... -
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, ... -
Heat Pump Efficiencies simulated in Aspen HYSYS and Aspen Plus
(Journal article; Peer reviewed, 2015-11-25)Heat pump technology provides an efficient and sustainable solution for both heating and cooling. A traditional heat pump can be defined as a mechanical-compression cycle refrigeration system powered by electricity. ... -
Nearwell Simulation of a horizontal well in Atlanta Field in Brazil with AICV® completion using OLGA/Rocx
(Journal article; Peer reviewed, 2015-11-25)Brazil has special attention in the world oil scenario due its recent findings of oil reservoirs. Most of these reservoirs are heavy oil. The increasing energy consumption and discovery of heavy oil reservoirs require more ... -
A Study of the Effect of Relative Permeability and Residual Oil Saturation on Oil Recovery
(Journal article; Peer reviewed, 2015-11-25)The depletion of oil production and the low recovery rate are the major challenges faced in oil production. Several studies have shown that considerable amount of oil still remains in the reservoir after the well shutdown. ... -
Heavy Oil Production With Energy Effective Steam-assisted Gravity Drainage
(Journal article; Peer reviewed, 2016)In reservoirs with extra heavy oil and bitumen, thermal methods are used to reduce the viscosity, in order to extract the oil. Steam-assisted gravity drainage (SAGD) is a thermal method where continuous steam injection is ... -
Simulation and Cost Comparison of CO2 Liquefaction
(Journal article; Peer reviewed, 2016)Liquefaction of CO2 is an intermediate step for storage or ship transport. Two processes are suggested. The traditional method is based on external refrigeration and the other is an integrated refrigeration process. In the ... -
Modelling anaerobic digestion during temperature and load variations
(Journal article; Peer reviewed, 2016)Experimental results and simulations based on the Anaerobic Digestion Model No.1 (ADM1) with temperature effects on kinetics were used to evaluate rate limiting steps in sludge bed anaerobic digestion (AD) during load and ... -
Characterization of biomass wood
(Journal article; Peer reviewed, 2016)Biomass is a renewable energy resource and can replace the use of fossil fuels, such as coal. Overgrown forests and fields are about to become a noticeable problem, because the rate of woodcutting is too low compared with ... -
Comparison of OpenFoam and ANSYS Fluent. Compitational Fluid Dynamic Simulation of Gas-Gas Single Phase Mixing with and without Static Mixer
(Chapter; Peer reviewed, 2016)Gas-gas single phase mixing were numerically evaluated with static mixer and without static mixer using OpenFoam and ANSYS Fluent codes. The main goal was the gas-gas mixing simulation comparison between ANSYS Fluent and ... -
Modeling N/S ratio and temperature effects in simultaneous biological denitrification and sulfide oxidation
(Journal article; Peer reviewed, 2017)A model describing the simultaneous removal of NO3- and HS- by microorganisms is presented here. The oxidation of HS- (electron donor) can be controlled by the appropriate dosage of NO3-. The developed model, which includes ...