Blar i ODA Open Digital Archive på forfatter "Nord, Natasa"
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Achieving zero-energy building performance with thermal and visual comfort enhancement through optimization of fenestration, envelope, shading device, and energy supply system
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Sustainable Energy Technologies and Assessments;Volume 44, April 2021, 101020, Journal article; Peer reviewed, 2021-02-01)Building retrofitting towards nearly zero energy building (nZEB) with comfortable visual and thermal conditions, requires a comprehensive parametric analysis of building retrofit measures. This paper presented an optimization ... -
Building Retrofitting through Coupling of Building Energy Simulation-Optimization Tool with CFD and Daylight Programs
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Energies;Volume 14, Issue 8, Peer reviewed; Journal article, 2021-04-14)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 ... -
CFD study on the effect of Archimedes number and heating rate on the thermal stratification of aventilated office
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Chapter; Peer reviewed, 2018)This paper dealt with simulating a typical occupied office equipped with displacement ventilation using CFD method. The STAR-CCM+ commercial software was employed for performing the simulations in order to analyze the trend ... -
Life cycle analysis of GHG emissions from the building retrofitting: The case of a Norwegian office building
Rabani, Mehrdad; Madessa, Habtamu Bayera; Ljungström, Malin; Aamodt, Lene; Løvvold, Sandra; Nord, Natasa (Building and Environment;Volume 204, 15 October 2021, 108159, Peer reviewed; Journal article, 2021-07-16)Through a systematic study, this paper conducted a life cycle assessment (LCA) consisting of evaluation of both embodied and operational emissions of different building retrofitting scenarios for a typical office building, ... -
Minimizing delivered energy and life cycle cost using Graphical script: An office building retrofitting case
Rabani, Mehrdad; Madessa, Habtamu Bayera; Mohseni, Omid; Nord, Natasa (Applied Energy;Volume 268, 15 June 2020, 114929, Journal article; Peer reviewed, 2020-04-21)Selecting the most cost-effective retrofit interventions to achieve a significant reduction of energy use and CO2 emissions in the building sectors is challenging, because a large number of possible retrofitting options ... -
Parametric analysis of ground source heat pump system for heating of office buildings in Nordic climate
Rabani, Mehrdad; Madessa, Habtamu Bayera; Torgersen, Jørgen; Nord, Natasa (BuildSIM-Nordic 2020: Selected papers;, Conference object, 2020)This paper presents a sensitivity analysis followed by an optimization to improve the performance of a ground source heat pump (GSHP) system for an office building located in Norway, for Oslo, Stavanger, and Tromsø climatic ... -
Performance analysis of an active diffuser in mixing ventilation for cell office by using numerical approach
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa; Schild, Peter (E3S Web of Conferences;Volume 111 (2019), Journal article; Peer reviewed, 2019)Energy efficiency in buildings is nowadays considered as an essential step to reduce CO2 emissions and energy utilization. At the same time, new technologies such as building space heating using active air heating has ... -
Performance assessment of all-air heating in an office cubicle equipped with an active supply diffuser in a cold climate
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa; Schild, Peter; Mysen, Mads (Building and Environment;Volume 156, June 2019, Pages 123-136, Journal article; Peer reviewed, 2019-04-12)Low-temperature space heating systems play a prominent role in improving the indoor air quality (IAQ) and thermal comfort of energy efficient buildings in cold-climate countries such as Norway. All-air heating (AAH) systems ... -
Sizing and performance analyses of a combined heating and cooling system with the integration of short- and long-term storages
Shakerin, Mohammad; Eikeskog, Vilde; Li, Yantong; Harsem, Trond Th.; Nord, Natasa (E3S Web of Conferences;Volume 246, Journal article; Peer reviewed, 2021-03-29)Technological advancements in the utilization of renewable energy sources have unveiled potentials for increasing building energy efficiency. Integrating heat pump-based energy systems with thermal storages is a suitable ... -
A state-of-art review of retrofit interventions in buildings towards nearly zero energy level
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Journal article; Peer reviewed, 2017)Unmistakably, buildings retrofitting brings the possibilities to reduce energy use and greenhouse gas emissions. However, selecting specific retrofit strategies is complex and requires careful planning. There are already ...