Blar i Institutt for energi og prosessteknikk på tittel
Viser treff 2928-2947 av 4253
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Optimal cryogenic processes for nitrogen rejection from natural gas
(Journal article; Peer reviewed, 2018)Nitrogen rejection processes are usually needed for two natural gas sources: sub-quality natural gas reserves and produced gas from enhanced oil/gas recovery technologies. The nitrogen content of natural gas in the former ... -
Optimal deployment pathways for electric vehicles in the UK
(Master thesis, 2019)Storbritannia har forpliktet seg til å redusere sine klimagassutslipp med 80 % i 2050, relativt til 1990. I 2018 stod veitrafikken for en tredjedel av de nasjonal utslippene, så en avkarbonisering av denne sektoren har et ... -
Optimal design and operation of a waste tire feedstock polygeneration system
(Peer reviewed; Journal article, 2021)The optimal design and operation of a polygeneration system that uses a waste tire feedstock to produce a mix of electricity, fuels and chemicals is presented. Rigorous mass and energy balance models for the process are ... -
Optimal Design and Operation of Flexible Polygeneration Systems using Decomposition Algorithms
(Computer-aided chemical engineering;, Chapter, 2020)A flexible design solution for a polygeneration system that utilizes a hybrid waste tire and natural gas feedstock to produce a mix of electricity, fuels and chemicals is presented. The optimal design and operation under ... -
Optimal Design of a Hybrid Energy System for the Supply of Clean and Stable Energy to Offshore Installations
(Peer reviewed; Journal article, 2020)This paper presents an innovative hybrid energy system for stable power and heat supply in offshore oil and gas installations. The proposed concept integrates offshore wind power, onsite gas turbines and an energy storage ... -
Optimal Design of Flexible Power Cycles through Kriging-based Surrogate Models
(Chapter, 2018)The paper presents a novel technique to define the optimal design of a power cycle considering design and off-design performance. A Kriging-based surrogate model is developed in order to simulate the power cycle at design ... -
Optimal diluent allocation in production systems with diluent-ESP-lifted wells
(Master thesis, 2016)In this research, the author presents the development of a numerical model for production systems (wells and surface flowlines) to determine optimal diluent allocation. The model includes the main inflow performance equations ... -
Optimal drift av kompressorer
(Master thesis, 2007)Ved Troll Kollsnes ble ett nytt gassbehandlingstog satt i drift i 2004. Det er også blitt installert en sjette kompressor i parallell med de fem opprinnelige kompressorene. Formålet med denne oppgaven var å undersøke i ... -
Optimal dynamic operation of natural gas combined cycles accounting for stresses in thick-walled components
(Journal article; Peer reviewed, 2020)Flexible natural gas combined cycles will play a fundamental role in future electric markets.Stressesinthick-walled components and gasturbine load ramps are arguably the main limiting factors during transient operation.Classical ... -
Optimal energiproduksjon
(Master thesis, 2007)Det er laget en ytelsesmodell av GE LM2500 DLE gassturbin i HYSYS 2004.2 (Aspen Tech). Det er utviklet karakteristikker for kompressor og turbiner samt funksjoner og regulatorer for andre parametere. Nye konsepter for ... -
Optimal integration of compression heat with regenerative steam Rankine cycles in oxy-combustion coal based power plants
(Journal article; Peer reviewed, 2015)The integration of process heat with regenerative steam Rankine cycles by preheating the boiler feedwater increases power generation from the steam turbines. In oxy-combustion coal based power plants, considerable compression ... -
Optimal liquified natural gas (LNG) cold energy utilization in an Allam cycle power plant with carbon capture and storage
(Peer reviewed; Journal article, 2021)Oxy-combustion power cycles are an alternative technology for electricity generation to facilitate carbon capture and storage (CCS). Among oxy-combustion power cycles, the Allam cycle is one of the most promising technologies ... -
Optimal Operation and Control of Heat-to-Power Cycles: a New Perspective using a Systematic Plantwide Control Approach
(Journal article; Peer reviewed, 2019)We use a systematic plantwide control framework to analyze optimal operation of a simple heatto- power steam cycle with a single pressure level and a drum. The present control solutions for power plants1 have been developed ... -
Optimal parallellkjøring av eksportkompressorer
(Master thesis, 2013)Verdens forbruk av naturgass er stadig økende, og som følge av dette har eksport av gass fra Norge blitt en viktig del av petroleumsindustrien. Statoils anlegg på Kollsnes er sentral i Norges eksport av naturgass og ved ... -
Optimal recovery of thermal energy in liquid air energy storage
(Peer reviewed; Journal article, 2021)The increasing share of renewables in energy systems requires energy storage technologies to handle intermittent energy sources and varying energy sinks. Liquid air energy storage (LAES) is a promising technology since it ... -
Optimal scheduling of flexible thermal power plants with lifetime enhancement under uncertainty
(Peer reviewed; Journal article, 2021)Renewable energy sources have been the focal point to decarbonise the power sector. The large deployment of these intermittent power generation units requires mechanisms to balance the grid. Thermal power plants can provide ... -
Optimal Use of Liquefied Natural Gas (LNG) Cold Energy in Air Separation Units
(Peer reviewed; Journal article, 2018)One of the solutions to utilizing liquefied natural gas (LNG) cold energy at import terminals is supplying it to an air separation unit (ASU), replacing an external refrigeration process and reducing the power consumption. ... -
Optimal use of Process Streams as Working Fluids in Work and Heat Exchange Networks (WHENs)
(Chapter, 2020)Design of Heat Exchanger Networks (HENs) has been widely studied and applied since it can significantly reduce energy consumption in the process industries. However, pressure effects are ignored in HENs. To consider ... -
Optimal utilization of compression heat in liquid air energy storage
(Peer reviewed; Journal article, 2023)Liquid air energy storage (LAES) is regarded as one of the promising large-scale energy storage technologies due to its characteristics of high energy density, being geographically unconstrained, and low maintenance costs. ... -
Optimale Energisystemer for LNG-anlegg med CO2-fangst
(Master thesis, 2008)Produksjon av LNG er en energikrevende prosess, spesielt på grunn av høyt kraftbehov for å gjøre naturgassen flytende. Utfordringer knyttet til utslipp av CO2 fra kraftproduserende enheter gjør det aktuelt å se på ...