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Modelling a Multiphase Subsea Separation System
(Master thesis, 2016)With the oil and gas industry changing rapidly and new oil-fields becoming less accessible, the demand for new technology and innovative thinking is increasing. With these challenges in mind a possible solution could be ... -
Modelling a tracer injection and sensor manifold
(Master thesis, 2016)Results of the simulations showed that the conductivity sensor has a high pressure drop due to different cross sectional areas in some parts; the main effects are due to the rozita and cone part. Hence, there is a need for ... -
Modelling and analysis of the response of Listeria monocytogenes to high pressure processing
(Doctoral theses at NTNU;2022:58, Doctoral thesis, 2022)The effects of environmental stresses on microorganisms have been well-studied, and cellular responses to stresses such as heat, cold, acids, and salts have been extensively discussed. Some previous works studied the membrane, ... -
Modelling and control of a Heat-to-Power cycle
(Master thesis, 2019)En Varme-til-Kraft syklus er ofte benyttet i kraftindustrien for å konvertere termisk energi til elektrisk energi. Syklusen kan deles inn i tre hovedprosesser: forbrenning, vann/damp og generator, under antagelse om at ... -
Modelling and Control of Coalescence Based Gravity Separators in a Subsea Separation System - with Models of Produced Water Treatment
(Master thesis, 2018)Subsea separation of well fluids is a way to reduce the cost of topside processing, and to simplify and reduce the export of products. Subsea separation consist of bulk separators and purifiers, to separate the multi-phase ... -
Modelling and control of horizontal gravity separator - Demulsification of Oil-Water Interface
(Master thesis, 2018)The project involves evaluation of the performance of crude-oil and water separation in an horizontal gravity separator. It considers the effect of crude-oil and water emulsion formation and subsequently the demulsification ... -
Modelling and Fouling Monitoring of Condenser at Snøhvit
(Master thesis, 2011)This report is a result of the work performed during the Master Thesis TKP 4900 at the Department of Chemical Engineering, NTNU in the spring of 2011. The problem assigned was "Modelling and fouling monitoring of a condenser ... -
Modelling and model predictive control of a semi-batch reactor for emulsion polymerisation of PVC
(Master thesis, 2020)Målet med dette prosjektet er å studere implementering av ulineær modellprediktiv regulering (NMPC) for en reaktor for emulsjonpolymerisasjon. En modell utledes ved bruk av fysiske prinsipper, og brukes til å erstatte målte ... -
Modelling and optimization of a Biomass-to-Liquid process using VMGSim
(Master thesis, 2016)A biomass-to-liquid plant consists of pretreatment, gasification , syngas cleaning and conditioning, Fischer-Tropsch (FT) synthesis, and products upgrading. In the FT reactor the syngas is converted to liquid fuels on ... -
Modelling and optimization of a Gas-to-Liquid plant
(Master thesis, 2012)In the last years there have been much research and development regarding gas-to-liquid plants. The fuel demands are growing bigger, and fuels from oil and coal cannot cover the demands in the future. Converting natural ... -
Modelling and optimization of a Gas-to-Liquid plant
(Master thesis, 2013)This thesis investigates the operational performance and optimization of aGas-to-Liquid plant based on autothermal reforming (ATR) and a multitubular fixed bed (MTFB) reactor together with a cobalt catalyst. This isachieved ... -
Modelling and Optimization of a GTL Plant
(Master thesis, 2014)A gas-to-liquid process converts gaseous carbon feedstock into more valuable products. Recent technological improvements have led to an increased interest in this production method. This master s thesis has evaluated three ... -
Modelling and Optimization of a Process from Biomass to Liquid Fuels via Fischer-Tropsch Synthesis
(Master thesis, 2016)The global energy demand is expected to increase by almost 50% by 2040. Simultaneously, fossil energy reserves are threatened to disappear. Thus it is imperative to development renewable technologies such as Biomass-To-Liquid ... -
Modelling and Optimization of Compact Sub-sea Separators - Gas-Liquid separation
(Master thesis, 2015)This Master thesis focuses on Modelling and Optimization of Compact sub-sea separators using a given separation system. The separation system consists of three separation units: a gravity separator, a deliquidizer and a ... -
Modelling and simulation for CO2 capture process optimization by using hybrid technologies in industrial applications
(Master thesis, 2022)Global oppvarming utgjør en akutt fare for verden, og CO2 er en av de mest problematiske klimagassene. Teknikker for fangst, utnyttelse og lagring av karbon (CCUS) er under utvikling, og noen av dem er allerede i bruk, da ... -
Modelling and Simulation of a Two-Stage Refrigeration Cycle
(Master thesis, 2015)A two-stage refrigeration cycle was modelled and optimized in MATLAB. The optimum was found to be very flat, resulting in small losses from disturbances and implementation errors. The two unconstrained degrees of freedom ... -
Modelling and simulation of chemical looping combustion in a double loop circulating fluidized bed reactor system
(Doctoral theses at NTNU;2018:109, Doctoral thesis, 2018)Among the well-known combustion technologies with CO2 capture, Chemical Looping Combustion (CLC) stands out for its potential higher energy efficiency. CLC involves combustion of carbonaceous fuel such as natural gas or ... -
Modelling and simulation of chemical looping combustion process in a double loop circulating fluidized bed reactor
(Journal article, 2017)A reactive CFD model has been developed and implemented numerically in an in-house code for a coupled double loop circulation fluidized bed reactor. In the current work it is utilized for the chemical looping combustion ... -
Modelling and simulation of hydrodynamics in double loop circulating fluidizedbed reactor for chemical looping combustion process
(Journal article, 2017)A multiphase CFD model has been developed and implemented in an in-house code for a coupled double loop circulation fluidized bed (DLCFB) reactor which can be utilized for the chemical looping combustion process. The air ...