Blar i Institutt for energi og prosessteknikk på tittel
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Dynamic modelling and validation of an air‐to‐water reversible R744 heat pump for high energy demand buildings
(Peer reviewed; Journal article, 2021)This paper presents a reversible heat pump based on CO2 as the refrigerant, able to provide heating, cooling, and domestic hot water to high energy demand buildings. The unit was developed and tested under the EU H2020 ... -
Dynamic modelling of local low-temperature heating grids: A case study for Norway
(Journal article; Peer reviewed, 2017)Today's district heating (DH) networks in Norway are 2nd and 3rd generation systems, with supply temperatures ranging from 80 to 120 °C. In new developments, it is desirable to shift to 4th generation, low-temperature ... -
Dynamic modelling of national dwelling stocks: Understanding phenomena of historical observed energy demand and future estimated energy savings in the Norwegian dwelling stock
(Doctoral theses at NTNU;2017:36, Doctoral thesis, 2017)Residential buildings are responsible for 24% of the global final energy consumption, and the housing sector is important for future mitigation of greenhouse gases. Scenario models are important tools for estimation of the ... -
Dynamic Models of Fixed Capital Stocks and Their Application in Industrial Ecology
(Journal article; Peer reviewed, 2014)Industrial assets or fixed capital stocks are at the core of the transition to a low-carbon economy. They represent substantial accumulations of capital, bulk materials, and critical metals. Their lifetime determines the ... -
The dynamic nature of self-excited azimuthal modes in annular combustors
(Doctoral theses at NTNU;2021:209, Doctoral thesis, 2021) -
Dynamic optimization of control setpoints for an integrated heating and cooling system with thermal energy storages
(Journal article; Peer reviewed, 2019)Energy systems for buildings and neighborhoods are expected to become more complex and flexible. Advanced control strategies are required to exploit the full potential of this flexibility and are especially important for ... -
Dynamic Process Model Development and Validation with Transient Plant Data Collected from an MEA Test Campaign at the CO2 Technology Center Mongstad
(Journal article; Peer reviewed, 2017)This work focuses on the development and validation of a dynamic process model of the post-combustion CO2 chemical absorption process with temperature swing absorption (TSA) using aqueous monoethanolamine (MEA) as solvent. ... -
Dynamic Process Model Validation and Control of the Amine Plant at CO2 Technology Centre Mongstad
(Journal article; Peer reviewed, 2017)This paper presents a set of steady-state and transient data for dynamic process model validation of the chemical absorption process with monoethanolamine (MEA) for post-combustion CO2 capture of exhaust gas from a natural ... -
Dynamic process modeling and simulation of the CO2 Technology Center Mongstad MEA pilot plant
(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
(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
(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 ... -
Dynamic Response Analysis of Wind Turbine Structure to Turbulent Wind Load: Comparative Assessment in Time and Frequency Domains
(Peer reviewed; Journal article, 2023)This study investigates wind turbine structural dynamics using stochastic analysis and computational methods in both the time and frequency domains. Simulations and experiments are utilized to evaluate the dynamic response ... -
Dynamic Simulation of a Natural Gas Liquefaction Plant
(Doktoravhandlinger ved NTNU, 1503-8181; 2004:156, Doctoral thesis, 2004)This thesis describes a new general purpose dynamic process simulator applied to a natural gas liquefaction plant. More specifically, the Multi Fluid Cascade Process (MFCP). MFCP is the “Statoil Linde LNG Technology Alliance” ... -
Dynamic simulation of future integrated energy systems
(Doctoral theses at NTNU;2019:213, Doctoral thesis, 2019)The building sector is responsible for a large part of the world's total energy use. More than half of building energy use is needed for space heating, domestic hot water heating, and space cooling. Thermal energy supply ... -
Dynamic two phase flow models for flushing
(Master thesis, 2014)This thesis aims at modeling the separated liquid-liquid flows with application for flushing. In the beginning, there will be a short review of the governing equations and the fundamental concepts used in this thesis. Two ... -
Dynamic use of the building structure - energy performance and thermal environment
(Doktoravhandlinger ved NTNU, 1503-8181; 2008:51, Doctoral thesis, 2008)The main objectives of this thesis have been to evaluate how, under which premises, and to what extent building thermal mass can contribute to reduce the net energy demand in office buildings. The thesis also assesses the ... -
Dynamics and stability of autoignition fronts in elementary reheat combustor configurations
(Doctoral theses at NTNU;2022:371, Doctoral thesis, 2022)Stringent regulations on greenhouse gas emissions from gas turbines used for land-based and aircraft applications has resulted in a gradual transition towards carbon-free fuels such as hydrogen. Conventional single-stage ... -
Dynamics of disk-like particles in turbulent vertical channel flow
(Journal article; Peer reviewed, 2017)The dynamical behavior of inertial disk-like particles in turbulent vertical channel flow is investigated by an Eulerian–Lagrangian point-particle approach. Gravity effects on distribution, translation, rotation and ... -
Dynamics of energy and carbon emissions in residential building stocks.: The role of solutions for single-family houses built between 1980-1990.
(Master thesis, 2014)The objective of this study is to assess the environmental impacts of renovating an exemplary single-family house built between 1980 and 1990 to the TEK10 or NS3700 (passive house) standard. The scope of the analysis is ... -
Dynamics of energy and carbon emissions in residential building stocks: The role of solutions for multi-family houses and apartment blocks
(Master thesis, 2014)A decrease in energy consumption is an important part of the effort to reduce fossil emissions. Buildings contribute to a considerable share of the energy consumption in Norway, mainly because of the cold climate and low ...