Browsing NTNU Open by Author "Nord, Lars Olof"
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A Comprehensive Thermal and Structural Transient Analysis of a Boiler’s Steam Outlet Header by Means of a Dedicated Algorithm and FEM Simulation
Pilarczyk, Marcin; Węglowski, Bohdan; Nord, Lars Olof (Journal article; Peer reviewed, 2020)Increasing the share of renewables in energy markets influences the daily operation of thermal power units. High capacity power units are more frequently operated to balance power grids and, thus, steam boilers are exposed ... -
A qualitative reliability and operability analysis of an integrated reforming combined cycle plant with CO2 capture
Nord, Lars Olof; Anantharaman, Rahul; Rausand, Marvin; Bolland, Olav (Journal article, 2009)Most of the current CO2 capture technologies are associated with large energy penalties that reduce their economic viability. Efficiency has therefore become the most important issue when designing and selecting power ... -
Adiabatic compressed air energy storage
Helsingen, Eirik Mørkved (Master thesis, 2015)An increasing amount of intermittent renewable energy sources are being introduced to the European electrical grid. This results in difficulties to maintain and ensure a reliable and steady electricity supply. Energy storage ... -
Advancements in Automated Methods for Fluid-Dynamic Turbomachinery Design
Agromayor Otero, Roberto (Doctoral theses at NTNU;2021:180, Doctoral thesis, 2021)Automated design methods are emerging as a powerful tool for the fluid-dynamic design of turbomachinery components. Such automated methods integrate mathematical models of different level of sophistication with numerical ... -
Assessment of Moving Bed Temperature Swing Adsorption Process for Post-Combustion CO2 capture
Mondino, Giorgia (Doctoral theses at NTNU;2022:90, Doctoral thesis, 2022)In the context of post-combustion CO2 capture, adsorption-based processes are considered a promising alternative to absorption technologies thanks to their lower environmental impact, absence of corrosion problems, and ... -
Carbon Capture in the Aluminum Industry
Pedersen, Vetle Selbæk (Master thesis, 2020)Denne oppgaven tar for seg utredningen av Karbonfangst-og-lagring(CCS)-muligheter ved Aluminiumsverket ALCOA Mosjøen lokalisert i byen Mosjøen i Nordland fylke. Gjennom et lengre arbeidsopphold ved anlegget sommeren 2019 ... -
CO2 capture in power plants- using the oxy-combustion principle
Llorente Manso, Ricardo (Master thesis, 2013)In the CO2 capture from power generation, the energy penalties for the capture are one of the main challenges. Nowadays, the post-combustion methods have energy penalties lower than the oxy-combustion and pre-combustion ... -
Combined heat and power plant on offshore oil and gas installations
Følgesvold, Eirik Røberg (Master thesis, 2015). -
Compressed air energy storage for clean offshore energy supply
Degl'Innocenti, Jacopo (Master thesis, 2018)The primary objective of this work is to evaluate feasible process configurations based on compressed air energy storage system (CAES) in order to reduce the emissions of offshore oil and gas extraction facilities. The ... -
Concentrated Solar Power Gas Turbine Hybrid with Thermal Storage
Wallentinsen, Bård Sve (Master thesis, 2016)Concentrated Solar Power (CSP) technology and shows promise for large-scale renewable electric power generation. CSP is suitable for development in conjunction with other technologies, and this thesis examines the combination ... -
Design and off-design analyses of a pre-combustion CO2 capture process in a natural gas combined cycle power plant
Nord, Lars Olof; Anantharaman, Rahul; Bolland, Olav (Journal article; Peer reviewed, 2009)In this study, a cycle designed for capturing the greenhouse gas CO2 in a natural gas combined cycle power plant has been analyzed. The process is a pre-combustion CO2 capture cycle utilizing reforming of natural gas and ... -
Design and off-design simulations of combined cycles for offshore oil and gas installations
Nord, Lars Olof; Bolland, Olav (Journal article; Peer reviewed, 2013)Combined cycles applied on offshore oil and gas installations could be an attractive technology on the Norwegian continental shelf to decrease costs related to CO2 emissions. Current power plant technology prevailing on ... -
Design optimization of small-scale ORC cycles for fluctuating heat source
Kim, Donghoi; Mocholí Montañés, Rubén; Riboldi, Luca; Nord, Lars Olof; Spale, Jan; Novotny, Vaclav (Chapter, 2022)Organic Rankine cycles (ORC) are efficient technologies for waste heat recovery (WHR) at low to mid temperatures. For the design of ORC power cycles, several thermodynamic parameters should be considered. A challenge related ... -
Development and Analysis of Proton Exchange Water Electrolyzer (PEMWE) Model with Chemical Degradation Phenomenon
Sorace, Rocco (Master thesis, 2021)Klimagassutslipp representerer en pågående global problemstilling som presser land over hele verden mot en økning av mengden energi produsert av fornybare energikilder. For å håndtere at fornybare energikilder generelt ... -
Dynamic Modeling and Process Simulation of Steam Bottoming Cycle
Rua Pazos, Jairo (Master thesis, 2017)In this work, a flexible combined heat and power plant with a steam Rankine bottoming cycle is proposed as a suitable alternative for the power generation system of an oil and gas offshore facility. The power system should ... -
Dynamic modelling and simulation of the Graz Cycle for a renewable energy system
Mitterrutzner, Benjamin; Nord, Lars Olof; Motamed, Mohammad Ali; Sanz, Wolfgang (Peer reviewed; Journal article, 2024)Critical atmospheric carbon dioxide levels and, in response, an increasing shift toward variable renewable energy sources causes the need of transient operation for thermal power plants coupled with carbon capture and ... -
Dynamic process modeling and simulation of the CO2 Technology Center Mongstad MEA pilot plant
Hall, Elise Mathilde (Master thesis, 2017)In recent years, CO2 capture and storage has risen as a key part of the portfolio of solutions proposed to reduce emissions of greenhouse gases from fossil power plants and heavy industry. Various CO2 capture technologies ... -
Dynamic process simulation of heat recovery steam generator designed for offshore oil and gas installations
Gule, Magnus (Master thesis, 2016)In the offshore oil and gas sector combined cycle (CC) technology is a viable alternative to the traditional gas turbines and land-based power supply on both platforms and FPSOs. In 2015 gas turbines accounted alone for ... -
Dynamic process simulation of post-combustion CO2 capture process
Sandvær, Mikael (Master thesis, 2017)Due to the increased concern about global warming in recent years, it has been proposed that carbon capture and storage could be one of the solutions which can help reduce emissions of greenhouse gases from fossil power ... -
Energiveier for framtidige bygningsområder
Skrautvol, Ola; Eliassen, Stian Fossmo (Master thesis, 2016)På grunn av strengere energikrav til bygninger, vil fremtidige bygninger karakteriseres med lav grunnlast, men med sporadisk høye topper. Fremtidens bygningsområder vil imidlertid fortsatt inneholde eksisterende og historiske ...