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Depotbygget på Haakonsvern, Bergen
Authors: Publication Year: 2012




Det store bildet. Hvor er vi nå?
Authors: Publication Year: 2012


Er "intellegente byer" veien å gå? Siden nesten 2/3 av vårt energiforbruk er tilknyttet urbane miljø, vil såkalte "Smart Cities" eller intellegente byer spille en betydelig rolle vedrørende energiffektivitet.

Powerhouse One
Authors: Publication Year: 2012


Powerhouse One
Authors: Publication Year: 2012


Powerhouse One
Authors: Publication Year: 2012


It is becoming conventional approach to evaluate the building envelop losses using detailed dynamic tools such as EnergyPlus, ESP-r and TRNSYS. However, the user-related loads (and their variations) in the building are usually oversimplified during performance evaluation of those buildings and associated HV AC systems. This paper presents a methodology to evaluate the performance of buildings and their energy supply systems while taking into account the user-related loads (non-HV AC & DHW) at individual household levels. For this purpose, a single family house (two different insulation cases) built in Oslo climate using an alternate duty air to water heat pump…

Freeze protection in ventilation systems is important to avoid freeze damages and increase in maintenance costs. Freezing in a ventilation system can appear in construction and operation phase. The aim of this study was to test a new method for freeze protection in ventilation system. This method implies use of an additional heat exchanger. The method used two hydronic circuits: the first one with water on energy supply side, and second one with mixture of glycol and water at the secondary side. The mixture transfers heat from the energy source via an additional heat exchanger to the coil in the…

Effekt- og energisimuleringer
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…

Zero Emission Buildings
Authors: Publication Year: 2009


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