Publications
Vakuumisolasjonspaneler og utviklingen videre
Publication Year:
2011
Publication Year:
2011
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Sentrale styringssystemer i husholdninger - Produsenten og sluttbrukers syn på hva styringssystmer gjør, bør gjøre og vil gjøre i fremtiden
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Publication Year:
2014
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Publication Year:
2014
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Investigation of the space-heating using wood stoves in very low-energy houses
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Publication Year:
2011
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Publication Year:
2011
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Conference papers
Nanomaterials for advanced window technologies
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Publication Year:
2011
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Publication Year:
2011
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Powerhouse på Brattøra og andre miljøprosjektet
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Publication Year:
2011
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Publication Year:
2011
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Rethinking the built environment as dynamic relation between moving targets
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Publication Year:
2014
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Publication Year:
2014
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Vi snakker om miljø og dokumentasjon av CO2 utslipp, men hvordan gjør vi det? Resultater for trebygninger ved bruk av forskjellige beregningsverktøy, ZEB og Framtre
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Publication Year:
2011
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Publication Year:
2011
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Energiforsyningsløsninger for lavenergi yrkesbygg i Norge
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Publication Year:
2012
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Publication Year:
2012
Master i energi og miljø
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Spectral and angular solar properties of a PCM-filled double glazing unit
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Publication Year:
2015
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Publication Year:
2015
Abstract: Background Phase change materials (PCMs) have been proposed as a means to increase the thermal inertia of glazing systems. These materials have optical features that need to be investigated and characterised in order to better understand the potential of these systems and to provide reliable data for numerical simulations. Methods The spectral and angular behaviour of different PCM glazing samples, characterised by different thicknesses of PCMs, were investigated by means of commercial spectrophotometer and by means of a dedicated optical test bed that includes a large integrating sphere with a diameter of 0.75 m. Such equipment was necessary because…
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Moderne hus tar livet av vedovnene
Publication Year:
2012
Publication Year:
2012
Artikkel i Teknisk Ukeblad om vedovner i passivhus. Artikkelen er skrevet av Mona Sprenger
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Net ZEB definition article – status
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Publication Year:
2011
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Publication Year:
2011
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Erfaringer med markedsutvikling for høye energiambisjoner
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Publication Year:
2012
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Publication Year:
2012
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Aerogel-Incorporated Concrete: An Experimental Study
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Publication Year:
2014
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Publication Year:
2014
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Snow downfall on solar cell roofs - How to maximize solar efficiency?
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Publication Year:
2010
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Publication Year:
2010
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The ZEB Research Centre and Pilot Buildings
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Publication Year:
2015
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Publication Year:
2015
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Multi-Functional Building Envelopes: Key Properties, State-of-the-Art Technologies and Visions for the Future
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Publication Year:
2012
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Publication Year:
2012
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Zero Emission Buildings in Norway – Research centre and pilot buildings
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Publication Year:
2014
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Publication Year:
2014
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Investigation of the thermal properties and heat-storage reliability of a paraffin wax for LHTES application under direct solar radiation
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Publication Year:
2012
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Publication Year:
2012
In recent years, Thermal Energy Storage (TES) is becoming more and more important in different engineering applications. As far as the building sector is concerned, TES is considered a crucial feature to reach the net-Zero Energy Building (nZEB) goal. Commonly, TES in building is obtained using the sensible heat property of conventional building materials (building thermal inertia). The drawbacks of this strategy are: the low amount of thermal energy that can be stored; the overheating of the indoor environment that may occur if elevate amount of heat is collected by a conventional building material. On the contrary, the exploitation of…
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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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Transparent facades in low energy office buildings Numerical simulations and experimental studies
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Publication Year:
2015
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Publication Year:
2015
Windows are a key component in the building envelope. They are often, thought of as energy drains and something associated with excessive energy demands in a building. However, in order to assess the energy performance of a window, several factors must be addressed. The most important issues to consider are energy losses due to heat transmission through windows, energy gains from solar radiation as well as transmitted visible light and the influence on artificial lighting demands. Factors like thermal and visual comfort in buildings are additional factors that need to be assessed and addressed. Existing work that has been carried…
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Heat and Mass Transfer in Quasi-Counter Flow Membrane-Based Total Heat Exchanger, Membrane Study
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Publication Year:
2012
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Publication Year:
2012
Realisation of Net Zero Energy Buildings (NZEB) for residential use depends on, among many other things, minimizing air leakages. However, very airtight houses will have an increased risk for problems regarding indoor humidity, thermal comfort and indoor air quality. Focusing on ventilation systems becomes a requirement in this situation. For cold climates, mechanical ventilation systems are the state of the art solution and in order to achieve a further reduction in energy use, the focus must be on efficient energy recovery. This paper focuses on a quasi-counter flow membrane-based heat and moisture recovery system for cold climates such as the…
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The ZEB Research Centre and Pilot Buildings
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Publication Year:
2015
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Publication Year:
2015
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Miljøvennlig varmeforsyning til lavenergi- og passivhus. En casestudie.
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Publication Year:
2010
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Publication Year:
2010
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Energibruk nær null
Publication Year:
2012
Publication Year:
2012
20 leiligheter og 20 eneboliger skal få energibruk nær null. Artikkel i Teknisk Ukeblad, srekvet av Joachim Seehusen, publisert 3. januar 2012.
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Compliance and deviation. How occupants interact with a high performance zero emission building
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Publication Year:
2016
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Publication Year:
2016
Abstract The Trondheim living lab is a newly built detached single family home that is planned to reach a zero emission balance over the course of its lifetime. This is achieved by a broad variety of technical strategies such as passive and active energy design and efficient installations. The degree of automation of the building's environmental services (such as heating, cooling, ventilation, and light) has been left open to be able to test different control scenarios: manual, automatic and several modes combining both approaches. In the first wave of qualitative experiments conducted in the laboratory between September 2015 and March…
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Synthesis of Hallow Silica Nanospheres by Sacrificial Polystyrene Templates for Thermal Insulation applications
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Publication Year:
2013
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Publication Year:
2013
Monodisperse polystyrene (PS) spheres with controllable size have been synthesized by a straight forward and simple procedure. The as-synthesized PS spheres have a typical diameter ranging from ~180 nm to ~900 nm, where a reduced sphere size is obtained by increasing the polyvinylpyrrolidone (PVP)/styrene weight ratio. The PS spheres function as sacrificial templates for the fabrication of hollow silica nanospheres (HSNSs) for thermal insulation applications. By modifying the silica coating process, HSNSs with different surface roughness are obtained. All resulting HSNSs show typically a thermal conductivity of about 20 mW/(mK), indicating that the surface phonon scattering is probably not significant…
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Evaluering av boliger med lavt energibruk
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Publication Year:
2015
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Publication Year:
2015
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Passivhusekspert Tor Helge Dokka spår fjernvarmens død
Publication Year:
2012
Publication Year:
2012
Passivhusekspert Tor Helge Dokka har mange tanker om fremtidens bygg. Han spår fjernvarmens død, men tror fortsatt på varmepumpen. Intervju med Tor Helge Dokka i Teknisk Ukeblad. Artikkel skrevet av Fredrik Drevon.
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Low-emissivity materials for building applications: a state-of-the-art review and future research perspective
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Publication Year:
2015
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Publication Year:
2015
Abstract Low-emissivity (low-e) materials can be used in order to reduce energy usage in both opaque and transparent areas of a building. The main focus for low-e materials is to reduce the heat transfer through thermal radiation. Furthermore, low-e materials will also influence on the daylight and total solar radiation energy throughput in windows, the latter one often characterized as the solar heat gain coefficient (SHGC). This work reviews low-e materials and products found on the market, and their possible implementations and benefits when used in buildings. The SHGC is often left out by many countries in energy labellings of…
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Nanomaterials for Thermal Building Insulation
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Publication Year:
2011
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Publication Year:
2011
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Slik blir fremtidens byggematerialer
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Publication Year:
2015
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Publication Year:
2015
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Possibilites for characterization of a pcm window system large scale measurements
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Publication Year:
2012
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Publication Year:
2012
The introduction of dynamic envelope components and systems can have a significant reduction effect on heating and cooling demands. In addition, it can contribute to reduce the energy demand for artificial lighting by better utilization of the daylight. One of these promising technologies is Phase Change Materials (PCM). Here, the latent heat storage potential of the transition between solid and liquid state of a material is exploited to increase the thermal mass of the component. A PCM layer incorporated in a transparent component can increase the possibilities to harvest energy from solar radiation by reducing the heating/cooling demand and still…
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Fremtidens bygninger kan være det viktigste svaret på klimautfordringene
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Publication Year:
2010
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Publication Year:
2010
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State-of-the-Art Building Integrated Photovoltaics
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Publication Year:
2012
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Publication Year:
2012
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How is wood a part of the solution
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Publication Year:
2014
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Publication Year:
2014
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Hourly Electricity Load Modelling of non-residential Passive Buildings in a Nordic Climate
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Publication Year:
2015
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Publication Year:
2015
Abstract Detailed knowledge of electricity demand is essential for power system planning and operation. EUs 20-20-20 targets will increase the development of more energy efficient buildings as all new buildings shall be “nearly zero energy buildings” by 2020. The result from this ambition is that so-called passive buildings and nearly-net-zero-energy-buildings (nZEB), with lower energy demand, or even onsite power generation, will significantly change the way buildings are integrated in the power system. System operators must consequently prepare for changes in load profiles. However, the knowledge on the aggregated impact of nZEBs is so far limited because the actual number of such buildings is still very small. This paper contributes to this knowledge…
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Elektrokrome vindu for smart solstyring
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Publication Year:
2016
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Publication Year:
2016
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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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Thermal superinsulation for building applications – From concepts to experimental investigations
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Publication Year:
2014
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Publication Year:
2014
Abstract The application of traditional thermal insulation materials requires thicker building envelopes in order to satisfy the requirements of the emerging zero energy and zero emission buildings. This work summarizes the steps from the state-of-theart thermal insulation materials and solutions, like vacuum insulation panels (VIP), gas-filled panels (GFP) and aerogels which all have various drawbacks, to our concepts and experimental investigations for making superinsulation materials (SIM) like e.g. nano insulation materials (NIM).
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Vinduer for framtiden - Resultater fra forskning
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Publication Year:
2011
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Publication Year:
2011
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Her kommer det 800 miljøboliger
Publication Year:
2013
Publication Year:
2013
Miljøvernminister Bård Vegar solhjell ga grønt lys for miljøprosjekt på Ådland tirsdag.
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Efficiency of the Hydronic System used for the Space-Heating of Passive Envelopes
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Publication Year:
2012
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Publication Year:
2012
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On the oversupply of heat to bedrooms during winter in highly insulated dwellings with heat recovery ventilation
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Publication Year:
2016
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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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Nanoelectrochromics: Materials and methodologies
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Publication Year:
2010
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Publication Year:
2010
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