Blar i Institutt for bygg- og miljøteknikk på tidsskrift "Energies"
Viser treff 1-20 av 29
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A Review of Systems and Technologies for Smart Homes and Smart Grids
(Journal article; Peer reviewed, 2016)In the actual era of smart homes and smart grids, advanced technological systems that allow the automation of domestic tasks are developing rapidly. There are numerous technologies and applications that can be installed ... -
Assessing Responsive Building Envelope Designs Through Robustness-Based Multi-Criteria Decision Making in Zero-Emission Buildings
(Journal article, 2022)Responsive building envelopes (RBEs) are central to developing sustainability strategies for zero emission/energy buildings (ZEBs). RBEs are a large group of complex technologies and systems, which is why multi-criteria ... -
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, ... -
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 ... -
Efficiency of Pressurized Rock Traps for Unlined Hydropower Tunnels
(Peer reviewed; Journal article, 2021)Pressurized rock traps are constructed in many hydropower plants to stop sand and gravel from being transported through the turbines. Pressurized rock traps are typically located in the downstream end of unlined headrace ... -
Evaluation on Overheating Risk of a Typical Norwegian Residential Building under Future Extreme Weather Conditions
(Journal article; Peer reviewed, 2020)As the temperature in the summer period in Norway has been always moderate, little study on the indoor comfort of typical Norwegian residential buildings in summer seasons can be found. Heat waves have attacked Norway in ... -
A Generic Pipeline for Machine Learning Users in Energy and Buildings Domain
(Peer reviewed; Journal article, 2021)One of the biggest problems in applying machine learning (ML) in the energy and buildings field is the lack of experience of ML users in implementing each ML algorithm in real-life applications the right way, because each ... -
Hydropower Production in Future Climate Scenarios: The Case for Kwanza River, Angola
(Journal article; Peer reviewed, 2016)Climate change is altering hydrological processes with varying degrees in various regions of the world and remains a threat to water resources projects in southern Africa. The likely negative impacts of changes in Africa ... -
Hydropower Production in Future Climate Scenarios; the Case for the Zambezi River
(Journal article; Peer reviewed, 2016)Climate change remains a threat to water resources projects in southern Africa where impacts resulting from changes in climate are projected to be negative and worse than in most other regions of the world. This work ... -
The implementation of multiple linear regression for swimming pool facilities: Case study at Jøa, Norway
(Peer reviewed; Journal article, 2021)This paper presents a statistical model for predicting the time-averaged total power consumption of an indoor swimming facility. The model can be a powerful tool for continuous supervision of the facility’s energy performance ... -
Investigations of Rake and Rib Structures in Sand Traps to Prevent Sediment Transport in Hydropower Plants
(Journal article; Peer reviewed, 2021)In order to increase the lifespan of hydraulic turbines in hydropower plants, it is necessary to minimize damages caused by sediment erosion. One solution is to reduce the amount of sediments by improving the design of ... -
Laboratory Investigation of Impact of Injection–Abstraction Rate and Groundwater Flow Velocity on Groundwater Heat Pump Performance
(Peer reviewed; Journal article, 2023)Using low-temperature (shallow) groundwater as a heat source or heat sink is a common practice to supply space heating or cooling, especially in the United States, Canada, China, and several European countries. The groundwater ... -
Long-term thermal performance of group of energy piles in unsaturated soils under cyclic thermal loading
(Peer reviewed; Journal article, 2021)Geothermal energy piles (GEPs) are an environmentally friendly heat exchange technology that dualizes the role of the structural foundation pile for load support and in meeting the building heating/cooling need. Energy ... -
Mechanistic Model of an Air Cushion Surge Tank for Hydro Power Plants
(Journal article; Peer reviewed, 2022) -
Multi-Objective Optimization of Building Energy Design to Reconcile Collective and Private Perspectives: CO2-eq vs. Discounted Payback Time
(Journal article; Peer reviewed, 2017)Building energy design is a multi-objective optimization problem where collective and private perspectives conflict each other. For instance, whereas the collectivity pursues the minimization of environmental impact, the ... -
Numerical Investigation and Optimization of a District-Scale Groundwater Heat Pump System
(Peer reviewed; Journal article, 2023)Groundwater heat pump (GWHP) systems are acknowledged as renewable and sustainable energy sources that can effectively fulfill the heating and cooling requirements of buildings on a district level. These systems harness ... -
Operating Hardware Impact on the Heat Transfer Properties of Windows
(Peer reviewed; Journal article, 2021)Despite significant advancements in fenestration technology in the last two decades, the thermal transmittance of fenestration products is still significantly higher than that of walls. This corresponds to 60% of the total ... -
Optimization of Window Design for Daylight and Thermal Comfort in Cold Climate Conditions
(Peer reviewed; Journal article, 2021)Window design affects the overall performance of a building. It is important to include window design during the initial stages of a project since it influences the performance of daylight and thermal comfort as well as ... -
Parametric Design to Maximize Solar Irradiation and Minimize the Embodied GHG Emissions for a ZEB in Nordic and Mediterranean Climate Zones
(Peer reviewed; Journal article, 2020)This work presents a validated workflow based on an algorithm developed in Grasshopper to parametrically control the building’s shape, by maximizing the solar irradiation incident on the building envelope and minimizing ... -
Pareto-optimal evaluation of ultimate limit states in offshore wind turbine structural analysis
(Peer reviewed; Journal article, 2015)The ultimate capacity of support structures is checked with extreme loads. This is straightforward when the limit state equations depend on a single load component, and it has become common to report maxima for each load ...