Blar i Fakultet for ingeniørvitenskap (IV) på tidsskrift "Energies"
Viser treff 21-40 av 163
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Building Integrated Photovoltaics: A Concise Description of the Current State of the Art and Possible Research Pathways
(Journal article; Peer reviewed, 2016)Nanofluids are considered a promising choice for several heat transfer applications. With the increasing awareness for energy saving and efficiency improvement in various thermal systems, including refrigeration systems, ... -
Building Retrofitting through Coupling of Building Energy Simulation-Optimization Tool with CFD and Daylight Programs
(Peer reviewed; Journal article, 2021)Simultaneous satisfaction of both thermal and visual comfort in buildings may be a challenging task. Therefore, this paper suggests a comprehensive framework for the building energy optimization process integrating ... -
Catchment Based Aerodynamic Performance Analysis of Small Wind Turbine Using a Single Blade Concept for a Low Cost of Energy
(Journal article; Peer reviewed, 2020) -
CFD-DEM simulation of biomass pyrolysis in fluidized-bed reactor with a multistep kinetic scheme
(Peer reviewed; Journal article, 2020)The pyrolysis of biomass in a fluidized-bed reactor is studied by a combination of a CFD-DEM algorithm and a multistep kinetic scheme, where fluid dynamics, heat and mass transfer, particle collisions, and the detailed ... -
Characterization of Aerodynamics of Small Wind Turbine Blade for Enhanced Performance and Low Cost of Energy
(Peer reviewed; Journal article, 2022)During a turbine’s lifetime, minimizing the cost of power production should be the primary aim in addition to attaining high technical efficiency. Thus, this paper was aimed at enhancing the aerodynamic efficiency of a ... -
Climate Change and Increased Irrigation Demands: What Is Left for Hydropower Generation? Results from Two Semi-Arid Basins
(Journal article; Peer reviewed, 2016-03-14)In this study, we have modelled the effect of climate change and increased irrigation withdrawals on the available water for hydropower production in two semi-arid river basins, i.e., Kizilirmak (Turkey) and Devoll (Albania), ... -
Cloud Computing and IoT Based Intelligent Monitoring System for Photovoltaic Plants Using Machine Learning Techniques
(Peer reviewed; Journal article, 2022)This paper proposes an Intelligent Monitoring System (IMS) for Photovoltaic (PV) systems using affordable and cost-efficient hardware and also lightweight software that is capable of being easily implemented in different ... -
CO2 Capture and Enhanced Hydrogen Production Enabled by Low-Temperature Separation of PSA Tail Gas: A Detailed Exergy Analysis
(Journal article; Peer reviewed, 2024)Abstract Hydrogen from natural gas reforming can be produced efficiently with a high CO2 capture rate. This can be achieved through oxygen-blown autothermal reforming as the core technology, combined with pressure-swing ... -
CO2 Capture from IGCC by Low-Temperature Synthesis Gas Separation
(Journal article; Peer reviewed, 2022)Capture conditions for CO2 vary substantially between industrial point sources. Depending on CO2 fraction and pressure level, different capture technologies will be required for cost- and energy-efficient decarbonisation. ... -
Combining life cycle environmental and economic assessments in building energy renovation projects
(Journal article; Peer reviewed, 2017)Buildings currently play a fundamental role for the achievement of the sustainable development goals as they are responsible for several environmental, social, and economic impacts. Energy renovation projects of existing ... -
Comparing the Utility of Coupled Aero-Hydrodynamic Analysis Using a CFD Solver versus a Potential Flow Solver for Floating Offshore Wind Turbines
(Peer reviewed; Journal article, 2023)There has been a great effort towards development of renewable energy systems to combat global warming with significant interest towards research and development of floating offshore wind turbines (FOWTs). With commercial ... -
Comparison of Extreme Wind and Waves Using Different Statistical Methods in 40 Offshore Wind Energy Lease Areas Worldwide
(Peer reviewed; Journal article, 2023)With the ongoing global drive towards renewable energy, several potential offshore wind energy lease areas worldwide have come into focus. This study aims to estimate the extreme wind and wave conditions across several ... -
Comparison of Nonlinear Wave-Loading Models on Rigid Cylinders in Regular Waves
(Journal article; Peer reviewed, 2019)Monopiles able to support very large offshore wind turbines are slender structures susceptible to nonlinear resonant phenomena. With the aim to better understand and model the wave-loading on these structures in very steep ... -
Constraints of Parametrically Defined Guide Vanes for a High-Head Francis Turbine
(Peer reviewed; Journal article, 2021)This paper is focused on the guide vane cascade as one of the most crucial stationary sub-systems of the hydraulic turbine, which needs to provide efficient inflow hydraulic conditions to the runner. The guide vanes direct ... -
Current Trends for State-of-Charge (SoC) Estimation in Lithium-Ion Battery Electric Vehicles
(Peer reviewed; Journal article, 2021)Energy storage systems (ESSs) are critically important for the future of electric vehicles. Despite this, the safety and management of ESSs require improvement. Battery management systems (BMSs) are vital components in ESS ... -
Design of Groundwater Heat Pump Systems. Principles, Tools, and Strategies for Controlling Gas and Precipitation Problems
(Journal article; Peer reviewed, 2019)The utilization of groundwater heat pump systems is increasing in Norway, which are currently widely employed for heating and cooling applications in the town center of Melhus. The investigations of the Melhus installations ... -
Determination of zero dimensional, apparent devolatilization kinetics for biomass particles at suspension firing conditions
(Peer reviewed; Journal article, 2021)As part of the strive for a carbon neutral energy production, biomass combustion has been widely implemented in retrofitted coal burners. Modeling aids substantially in prediction of biomass flame behavior and thus in ... -
Development of Combined Load Spectra for Offshore Structures Subjected to Wind, Wave, and Ice Loading
(Peer reviewed; Journal article, 2022)Fixed offshore wind turbines continue to be developed for high latitude areas where not only wind and wave loads need to be considered but also moving sea ice. Current rules and regulations for the design of fixed offshore ... -
Drainage Potential Curves of Single Tapping Point for Bulk Oil–Water Separation in Pipe
(Peer reviewed; Journal article, 2022)In this study, experimental quantification of drainage potential curves for unspiked and spiked Exxsol D60 was performed and compared against simplified numerical model results. This potential relates to the flow rate of ... -
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 ...