Publications
Passiv versus aktiv – samproduksjoner og innramminger av fremtidens bygg
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Publication Year:
2014
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Publication Year:
2014
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Passiv - Lavenergi - Nesten null - Plusshus. Begreper, definisjoner og prinsipper
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Publication Year:
2012
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Publication Year:
2012
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Conference presentations
Partnering for the development of an energy-positive buildings. Case study of Powerhouse #1
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Publication Year:
2013
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Publication Year:
2013
Powerhouse #1 is planned to become the first and northernmost energy-positive office building. An alliance of companies within the Norwegian construction industry has been established to reach this ambition. Partnering has been suggested as a means to improve performance in general within the construction industry. Studies reveal that the industry is yet to yield the positive effects that have occurred in other industries. Strategic alliances such as Powerhouse are an exception within Norwegian construction industry. The paper analyses the case of Powerhouse #1 regarding collaborative working and experienced effects to the energy performance of the project. The material consists of…
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Paraotwayite-Type α-Ni(OH)2 Nanowires: Structural, Optical and Electrochemical Properties
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Publication Year:
2013
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Publication Year:
2013
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Journal papers
Organo Nanoclays as Insulating Materials in Alternative Concrete
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Publication Year:
2015
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Publication Year:
2015
Abstract Calcined marl was identified as an insulating binder substituent mate-rial for aerogel based mortars. Further synthesis of insulating organo-nanoclays through the incorporation of polyethylene glycol (PEG) or in situ polymerisation of polystyrene (PS) in clays displayed greater promises for further reduction of thermal conductivity independent of the compressive strength, unlike more con-ventional aerogel-incorporated concrete. The organo-nanoclays were characterized by Hot Disk thermal analyzer measurements. The results so far indicated the for-mation of organoclay particles from both ideal systems of bentonite and calcined marl with lowered thermal conductivities. The calcined clay appeared to maintain its binding properties, suitable for gelling…
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Optimizing the configuration of a facade module for office buildings by means of integrated thermal and lighting simulations in a total energy perspective
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Publication Year:
2013
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Publication Year:
2013
The building enclosure plays a relevant role in the management of the energy flows in buildings and in the exploitation of solar energy at a building scale. An optimized configuration of the façade can contribute to reduce the total energy demand of the building. Traditionally, the search for the optimal façade configuration is obtained by analyzing the heating demand and/or the cooling demand only, while the implication of the façade configuration on artificial lighting energy demand is often not addressed. A comprehensive approach (i.e. including heating, cooling and artificial lighting energy demand) is instead necessary to reduce the total energy…
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Optimization of thermal performance in traditional wood-frame and masonry walls
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Publication Year:
2010
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Publication Year:
2010
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Conference presentations
Optimization of solar energy potential for buildings in urban areas – a Norwegian case study
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Publication Year:
2014
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Publication Year:
2014
Abstract The paper presents a case study of an office building with a façade integrated PV system in Norway. Due to the urban surrounding the PV system is subject to significant overshadowing. The aim is to optimize the solar energy potential of the building in order to propose improved alternatives to the current system applying a multi-level simulation approach. The first level is performed to calculate the maximum solar potential on the building envelope in an unobstructed scenario. The second level examines the shading effect on the building in its urban context. The analyses allow localizing the areas of the…
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Optimization of energy supply system in residential Net-ZEB
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Publication Year:
2011
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Publication Year:
2011
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Optimal transparent percentage in façade modules for office buildings in a central Europe climate: a case study in Frankfurt
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Publication Year:
2012
Authors:
Publication Year:
2012
The building enclosure plays a relevant role in the management of the energy flows in buildings and in the exploitation of the solar energy at building scale. An optimized configuration of the façade can contribute to reduce the total energy demand of the building. Traditionally, the search for the optimal façade configuration is obtained by analyzing the heating demand and/or the cooling demand only, while the implication of the façade configuration on the energy demand for artificial lighting is often not considered, especially during the first stage of the design process. A global approach (i.e. including heating, cooling and artificial…
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Conference papers
Optimal operating strategies of the micro-CHP for improved interaction between the electrical and thermal demand and supply
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Publication Year:
2014
Authors:
Publication Year:
2014
Abstract The research center of Zero Emissions Buildings (ZEB) has a goal of eliminating the greenhouse gas emissions associated with all phases of building development and use. This is achieved through more sustainable building construction and more efficient energy use. The Norwegian government has a similar goal of achieving zero energy buildings as a standard by 2020. This has led to proper investigation in technological solutions that can help to achieve these goals. In a net-ZEB perspective, combined heat and power (CHP) is considered as a potential energy supply solution for buildings. CHP is seen as an emerging technology which…
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Reports
Optimal investments in Zero Carbon Buildings
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Publication Year:
2014
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Publication Year:
2014
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Oppgradering av 80-tallshus til passivhusnivå, -Hvilke tiltak er mest effektive?– Hva er økonomisk gunstig?
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Publication Year:
2011
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Publication Year:
2011
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Oppgraderig av et typehus fra 80-tallet til en energieffektiv bolig etter framtidens standard – hva gjør vi da?
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Publication Year:
2010
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Publication Year:
2010
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On the proper integration of wood stoves in passive houses: investigation using dynamic simulations
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Publication Year:
2012
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Publication Year:
2012
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On the proper integration of wood stoves in passive houses: Investigation using detailed dynamic simulations
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Publication Year:
2013
Authors:
Publication Year:
2013
Wood stoves are attractive for the space-heating (SH) of passive houses. Nevertheless, there are still questions about their integration. Firstly, the power oversizing of the current stoves and their long operating time may lead to unacceptable overheating. Secondly, it is also unclear how one stove can ensure the thermal comfort in the entire building. The paper investigates these aspects using detailed dynamic simulations (TRNSYS) applied to a detached house in Belgium. An 8 kW stove is assumed to be representative of the lowest available powers in the market. Results confirm that a large power modulation is important to prevent overheating.…
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Journal papers
On the proper integration of wood stoves for the space-heating of passive houses
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Publication Year:
2012
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Publication Year:
2012
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Conference papers
On the oversupply of heat to bedrooms during winter in highly insulated dwellings with heat recovery ventilation
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Publication Year:
2016
Authors:
Publication Year:
2016
Abstract The study presented in this paper originated from observations made regarding the thermal conditions during winter in highly insulated dwellings with mechanical ventilation with heat recovery (MVHR). Previous observations indicate an oversupply of heat to bedrooms and a successive extensive window ventilation, which leads to an increased space-heating demand. Detailed simulations were conducted to explain the causes for the observed thermal conditions and to elaborate improved solutions for heating and ventilation during winter. Various MVHR solutions and control strategies, as well as building design solutions, were investigated regarding their impact on the thermal conditions in bedrooms and on the…
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Journal papers
On the integration of wood stoves for the space-heating of passive houses: Assessment using dynamic simulation
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Publication Year:
2012
Authors:
Publication Year:
2012
State-of-the-art wood stoves could be an attractive solution for the space heating of passive houses. The question of the integration of wood stoves in passive envelopes is rather new and still open, the main constraints being the power oversizing ant the heat distribution. The paper proposes a low-resolution simulation approach to provide an insight into the whole-year thermal comfort using a stove, and into the relative effect of the large number of physical parameters involved in the problem. In particular, a simple stove model is developed for detailed dynamic simulations in order to fairly represent the heat emission properties of…
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Ombygging av eneboliger
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Publication Year:
2015
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Publication Year:
2015
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Nytt og lavere powerhouse på Brattøra
Publication Year:
2013
Publication Year:
2013
Statlige Entra fremmer et nytt powerhouse-prosjekt på Brattøra. Noe mindre enn det forrige, men likevel tolv meter høyere enn tillatt i reguleringsbestemmelsene. Artikkelen er skrevet av Hermann Hansen
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Nye, godt isolerte vinduer dugger mer
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Publication Year:
2012
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Publication Year:
2012
Men kondens på utsiden av glasset er godt tegn for strømregningen.
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Nye standarder for passivhus – NS 3700 og NS 3701/Prosjektrapport 42
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Publication Year:
2012
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Publication Year:
2012
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Nye råd om bruk av konveksjonssperre
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Publication Year:
2016
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Publication Year:
2016
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Popular Science Articles
Nye isolasjonsmaterialer i verneverdige bygg – muligheter og begrensninger
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Publication Year:
2016
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Publication Year:
2016
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Nye isolasjonsmaterialer - er nanoteknologi løsningen?
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Publication Year:
2012
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Publication Year:
2012
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Numerical Simulations of a Well-Insulated Wall Assembly with Integrated Phase Change Material Panels – Comparison with Hot Box Experiments
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Publication Year:
2011
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Publication Year:
2011
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Numerical Assessment of various PCM glazing system configurations. Energy performance assessment of a responsive building envelope component: Results from a numerical analysis.
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Publication Year:
2011
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Publication Year:
2011
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Nullutslippsbygg er en klimaløsning
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Publication Year:
2015
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Publication Year:
2015
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Nullutslippsbygg bidrar til grønt skifte
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Publication Year:
2016
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Publication Year:
2016
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Nullenergibygg er mulig! Hvordan kan og bør de være?
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Publication Year:
2012
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Publication Year:
2012
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Nullenergi, plusshus, nullutslipp - hva betyr dette i praksis? Presentasjon av eksempler
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Publication Year:
2016
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Publication Year:
2016
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Norwegian National Centre for Environmentfriendly Energy Research: Zero Emission Buildings (ZEB)
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Publication Year:
2011
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Publication Year:
2011
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Norway – Improved governance and innovation in construction projects
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Publication Year:
2014
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Publication Year:
2014
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Books
Norway demonstrates zero emission buildings
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Publication Year:
2016
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Publication Year:
2016
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Popular Science Articles
Norske skole kan bli verdens beste klimabygg
Publication Year:
2015
Publication Year:
2015
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Norske boliger råtner på rot
Publication Year:
2013
Publication Year:
2013
Vi bruker milliarder på estetiske oppgraderinger og praktiske løsninger, men mangler kunksap o lønnsom bruk av oppussingskronene. Artikkelen er skrevet av Marit Tronier Halvorsen, Oslo
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Norsk byggebransje deltar nesten ikke i EUs forskning
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Publication Year:
2012
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Publication Year:
2012
Artikkel skrevet av Øyvind Aschehoug, prof.em. ved NTNU i Byggeindustrien
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Nordic Analysis of Climate Friendly Buildings
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Publication Year:
2010
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Publication Year:
2010
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NorDan skyvedør med VIP i Living Lab – beregning av U-verdi
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Publication Year:
2015
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Publication Year:
2015
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Reports
Nordahl Bruns gate 2. Gammelt bygg får ny jakke.
Publication Year:
2012
Publication Year:
2012
Et nytt bygg rundt det gamle skal sikre både økt areal og lav energibruk. Artikkel i Teknisk Ukeblad, skrevet av Joachim Seehusen, publisert 11. april 2012.
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New solutions for facade energy insulation. Examples from some research projects
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Publication Year:
2015
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Publication Year:
2015
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Conference presentations
New solutions for facade energy insulation. Examples from some research projects
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Publication Year:
2015
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Publication Year:
2015
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Net-zero buildings: incorporating embodied impacts.
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Publication Year:
2014
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Publication Year:
2014
Abstract The design and assessment of net-zero buildings commonly focus exclusively on the operational phase, ignoring the embodied environmental impacts over the building life cycle. An analysis is presented on the consequences of integrating embodied impacts into the assessment of the environmental advantageousness of net-zero concepts. Fundamental issues needing consideration in the design process – based on the evaluation of primary energy use and related greenhouse gas emissions – are examined by comparing three net-zero building design and assessment cases: (1) no embodied impacts included, net balance limited to the operation stage only; (2) embodied impacts included but evaluated separately…
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