Publications

Aerogels are regarded as one of the most promising high performance thermal insulation materials for building applications today. With a thermal conductivity down to 13 mW/(m K) for commercial products they show remarkable characteristics compared to traditional thermal insulation materials. Also the possibility of high transmittances in the solar spectrum is of high interest for the construction sector. With the proper knowledge they give both the architect and engineer the opportunity of re-inventing architectural solutions. Within this work, a review is given on the knowledge of aerogel insulation in general and for building applications in particular.

Men kondens på utsiden av glasset er godt tegn for strømregningen.

Næringsbygg blir kraftverk. Rehabiliterte bygg som prduserer energi kan dekke inn mer enn 40 prosent av verdens energiforbruk. Oppslag i Aftenposten vedrørende oppussing av kontorbygg på Kjørbo i Bærum.

Building integrated photovoltaics (BIPVs) are photovoltaic (PV) modules integrated into the building envelope and hence also replacing traditional parts of the building envelope, e.g. the roofing. In this context, the BIPVs integration with the building envelope limits the costs by serving dual purposes. BIPVs have a great advantage compared to non-integrated systems because there is neither need for allocation of land nor stand-alone PV systems. This study seeks to outline various commercially available approaches to BIPVs and thus provides a state-of-the-art review. In addition, possible future research opportunities are explored. The various categories of BIPVs may be divided into photovoltaic…

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…

Responsive Building Elements (RBEs) and energy storage within the building are considered as a crucial development towards the nearly Zero Energy/Emission Building target. The exploitation at the building scale of renewable energy sources and the opportunities offered by the environment is achieved by the ability of the RBEs to dynamically adapt to changing environmental conditions. Among these concepts, Advanced Integrated Façades (AIFs) are probably one the most promising technologies, due to the important role that the building envelope plays in controlling the energy and mass flows between the building and the outdoor environment. In the framework of a decade-long research…

The building skin is often called the third skin of a human being after the body skin and clothes since it provides protection from the elements, creates privacy and provides contact between the indoor and outdoor space. Moreover, it is the most important element regarding the total energy balance of buildings. Solar energy systems, and in particular solar cells, have an important role to play in reducing energy needs of buildings. Several building surfaces are ideally suited for the use of solar panels, but high costs as well as technical and aesthetical considerations have long kept building owners and architects…

An office building of about 2000 m2 heated floor area is being designed for the Norwegian Defense Estates Agency (Forsvarsbygg). The building will be located at Haakonsvern, about 15 km from the centre of Bergen, Norway. The design aims at meeting the ZEB criterion of net zero energy balance for building operation during a year. The energy for operation of the plug loads (computers, printers, etc.) is not included in the balance.

The adoption of Phase Change Materials (PCMs) in building components is an up-to-date topic and a relevant number of research activities on this issue is currently on the way. A particular application of PCMs in the building envelope focuses on the integration of such a kind of material into transparent envelope components. A numerical model that describes the thermo-physical behaviour of a PCM layer in combination with other transparent materials (i.e. glass panes) is developed to perform numerical analyses on various PCM glazing systems configurations. The paper illustrates the structure of the model, the main equations implemented and the hypotheses…

Nanoisolert passivhus
Publication Year: 2012

Arild Gustavsen vil gjøre passivhusveggen tynnere ved å bruke nanoisolasjon.

Our Future Buildings
Authors: Publication Year: 2010


Målet er null
Publication Year: 2012


Forskningsprogrammet ZEB
Authors: Publication Year: 2010



Veien mot volumfasen
Publication Year: 2010


Solenergi i arkitekturen
Authors: Publication Year: 2011


Solenergi – noe for Norge?
Authors: Publication Year: 2011


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