Browsing Institutt for energi og prosessteknikk by Title
Now showing items 3251-3270 of 4147
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The response of terrestrial ecosystem carbon cycling under different aerosol-based radiation management geoengineering
(Peer reviewed; Journal article, 2021)Geoengineering has been discussed as a potential option to offset the global impacts of anthropogenic climate change and at the same time reach the global temperature targets of the Paris Agreement. Before any implementation ... -
Response of the temporal turbulent boundary layer to decaying free-stream turbulence
(Peer reviewed; Journal article, 2020)The turbulent boundary layer developing under a turbulence-laden free stream isnumerically investigated using the temporal boundary layer framework. This studyfocuses on the interaction between the ... -
Retrieval operations of derelict fishing gears give insight on the impact on marine life
(Peer reviewed; Journal article, 2024)Abandoned, lost and discarded fishing gear (ALDFG), significantly impacts marine ecosystems and biodiversity by incidental capture known as ghost fishing. Such impacts were quantified during the Norwegian Directorate of ... -
Retrofitting of Norwegian Office Buildings towards Nearly Zero Energy-Technical, Environmental, and Economic Aspects
(Doctoral theses at NTNU;2021:403, Doctoral thesis, 2021)The increasing proportion of energy use for buildings in urban environments has necessitated energy efficiency and advancement of the sustainable transformation of building stock towards the zero energy/emission level. In ... -
Revenue-Weighted Life Cycle Assessment of two Nordic Energy companies - Exploring a simplification of Organizational LCA as a proxy for Organizational Impact through comparisons with company sustainability reports and third-party impact data
(Master thesis, 2023)Nøyaktige og sammenlignbare organisasjons impact data som er håndterbare å beregne er avgjørende for at organisasjoner skal kartlegge og redusere deres impact. Rammeverk for Organisatorisk livsløpsanalyse (O-LCA) har ... -
Reverse Water Gas Shift versus Carbon Dioxide Electro-Reduction: The Reaction Pathway Responsible for Carbon Monoxide Production in Solid Oxide Co-Electrolysis Cells
(Peer reviewed; Journal article, 2023)Solid oxide co-electrolysis cells can utilize renewable energy sources for the conversion of steam and carbon dioxide into valuable chemicals and feedstocks. An important challenge in the analysis of these devices is ... -
Reversible Heat Effects in Electrodes Relevant for Lithium-Ion Batteries
(Master thesis, 2021)Med økende bruk av lithium-ione batterier for å lagre energi, blir det stadig viktigere å forstå interne varmeeffekter for å redusere aldring og bedre ytelsen til disse. Tidligere forskning indikerer at den reversible ... -
Reversible heat effects of lithium metal- and porous lithium iron phosphate electrodes
(Peer reviewed; Journal article, 2023)We report Peltier heats and reaction entropy of cells with lithium metal- and near fully lithiated lithium iron phosphate (LFP) electrodes. The Peltier heats were measured through the Seebeck coefficient of thermogalvanic ... -
Reversible R744 (CO2) heat pumps applied in public trains in Norway
(Master thesis, 2009)This report presents opportunities for use of CO2 as refrigerant in the air conditioning system in public trains. The CO2 system shall provide cooling in the summer and heating in the winter. CO2 is a natural fluid which ... -
Review - Reversible heat effects in cells relevant for lithium-ion batteries
(Peer reviewed; Journal article, 2021)We review measurements of reversible heat effects in lithium-ion batteries, i.e. entropy changes and Seebeck coefficients of cells with relevant electrodes. We show how to compute the Peltier heat of battery electrodes ... -
Review of Energy Storage and Energy Management System Control Strategies in Microgrids
(Journal article; Peer reviewed, 2021) -
A review of environmental impacts of winter road maintenance
(Peer reviewed; Journal article, 2019)The need for winter road maintenance (WRM) is changing in cold regions due to climate change. How the different modes of WRM will contribute to future overall emissions from infrastructure is therefore of great interest ... -
A review of heat recovery technologies and their frost control for residential building ventilation in cold climate regions
(Peer reviewed; Journal article, 2022)This study reviewed heat recovery technologies and their application in residential buildings in cold climates. The increasing efforts on reducing building energy use over the recent years have resulted in improved insulated ... -
Review of HVAC strategies for energy renovation of detached houses towards nZEB in cold climates
(Journal article; Peer reviewed, 2019)This paper provides a review of heat and ventilation measures that can be applied to ambitious energy renovation of detached houses in Nordic countries. In this review, requirements for solutions are defined. Key technologies ... -
Review of possibilities and necessities for building lifetime commissioning
(Journal article, 2009)The article presents review of possibilities and necessities for a practical application of lifetime commissioning in building facilities. The implementation of life-long commissioning of buildings implies energy efficiency, ... -
Review of pressurized chemical looping processes for power generation and chemical production with integrated CO2 capture
(Peer reviewed; Journal article, 2021)Chemical looping has great potential for reducing the energy penalty and associated costs of CO2 capture from fossil fuel-based power and chemical production while maintaining high efficiency. However, pressurized operation ... -
Review of Urban Building Types and Their Energy Use and Carbon Emissions in Life-Cycle Analyses from Low- and Middle-Income Countries
(Peer reviewed; Journal article, 2023)Urbanization, slum redevelopment, and population growth will lead to unprecedented levels of residential building construction in “low- and middle-income” (LMI) countries in the coming decades. However, less than 50% of ... -
Review of Vapour Compression Heat Pumps for High Temperature Heating using Natural Working Fluids
(Journal article; Peer reviewed, 2017)The use of high temperature heat pumps (HTHPs) operating with natural fluids has been shown to be a potential environmentally friendly solution to increase energy efficiency in industrial processes. Industrial processes ... -
Review on cold thermal energy storage applied to refrigeration systems using phase change materials
(Peer reviewed; Journal article, 2021)This paper presents a thorough review on the recent developments and latest research studies on cold thermal energy storage (CTES) using phase change materials (PCM) applied to refrigeration systems. The presented study ... -
A review on disposal and utilization of phytoremediation plants containing heavy metals
(Peer reviewed; Journal article, 2021)The reasonable disposal of plant biomass containing heavy metals (HMs) is a difficult problem for the phytoremediation technology. This review summarizes current literature that introduces various disposal and utilization ...