Blar i Institutt for energi og prosessteknikk på forfatter "Sartori, Igor"
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Analysis of energy signatures and planning of heating and domestic hot water energy use in buildings in Norway
Tereshchenko, Tymofii; Ivanko, Dmytro; Nord, Natasa; Sartori, Igor (Journal article; Peer reviewed, 2019)Widespread introduction of low energy buildings (LEBs), passive houses, and zero emission buildings (ZEBs) are national target in Norway. In order to achieve better energy performance in these types of buildings and ... -
Cost Optimality of Energy Systems in Zero Emission Buildings in Early Design Phase
Barbado Baranda, Pablo (Master thesis, 2014)Abstract During the uncontrolled consumption period the building sector has come to account one of the greatest proportions of greenhouse gas emissions and energy use in industrial countries. In this context, European ... -
Domestic hot water decomposition from measured total heat load in Norwegian buildings
Lien, Synne Krekling; Ivanko, Dmytro; Sartori, Igor (Chapter, 2020)In Nordic climates, the energy use in buildings is dominated by space heating (SH) and domestic hot water (DHW). Heat load measurements with hourly resolution from smart meters are now becoming the standard. However, in ... -
Dynamic building stock modelling: Application to 11 European countries to support the energy efficiency and retrofit ambitions of the EU
Sandberg, Nina Holck; Sartori, Igor; Heidrich, Oliver; Dawson, Richard; Dascalaki, Elena; Dimitriou, Stella; Vimmr, Tomáˇs; Filippidou, Faidra; Stegnar, Gaˇsper; ˇSijanec Zavrl, Marjana; Brattebø, Helge (Journal article; Peer reviewed, 2016)A dynamic building stock model is applied to simulate the development of dwelling stocks in 11 European countries, over half of all European dwellings, between 1900 and 2050. The model uses time series of population and ... -
Dynamic building stock modelling: General algorithm and exemplification for Norway
Sartori, Igor; Sandberg, Nina Holck; Brattebø, Helge (Journal article; Peer reviewed, 2016)This paper presents a model based on dynamic material flow analysis, general in its principles and applied to the dwelling stock of Norway for exemplification. The algorithm at the core of the model is presented in the ... -
Dynamic modelling of national dwelling stocks: Understanding phenomena of historical observed energy demand and future estimated energy savings in the Norwegian dwelling stock
Sandberg, Nina Holck (Doctoral theses at NTNU;2017:36, Doctoral thesis, 2017)Residential buildings are responsible for 24% of the global final energy consumption, and the housing sector is important for future mitigation of greenhouse gases. Scenario models are important tools for estimation of the ... -
Energy flexibility of Norwegian residential buildings using demand response of electricity-based heating systems: A study on residential demand side flexibility, heating system control, and time-varying CO2eq. intensities of the electricity mix
Clauß, John (Doctoral theses at NTNU;2019:225, Doctoral thesis, 2019)The transition to a sustainable energy system requires a shift to intermittent renewable energy sources, which call for increased flexibility on the demand side. Heat pumps offer the possibility to couple the electricity ... -
Explaining the historical energy use in dwelling stocks with a segmented dynamic model: Case study of Norway 1960-2015
Sandberg, Nina Holck; Sartori, Igor; Vestrum, Magnus Inderberg; Brattebø, Helge (Journal article; Peer reviewed, 2016)A segmented dynamic dwelling stock model is proven useful for understanding the development and changes of ageing building stocks, which is highly relevant for renovation measures and estimates of energy use and emissions ... -
Fremtidig utvikling i energiforbruk og CO2-utslipp for Norges boligmasse
Brattebø, Helge; O'Born, Reyn Joseph; Sandberg, Nina Holck; Storvolleng, Ragni Kristin; Baltruszewics, Marta; Folstad, Marie; Skaran, Anja Myreng; Sartori, Igor (Research report, 2014) -
Greenhouse gas balances in Zero Emission Buildings – Electricity conversion factors revisited
Andresen, Inger; Lien, Kristian Myklebust; Berker, Thomas; Sartori, Igor (ZEB Project report;, Research report, 2017) -
Identifying important variables and profiles of domestic hot tap water energy use in Norwegian buildings by using statistical methods
Ivanko, Dmytro (Doctoral theses at NTNU;2021:67, Doctoral thesis, 2021)Domestic hot water (DHW) systems are an integral component of buildings and a substantial consumer of energy. Due to the introduction of highly insulated structures, the share of DHW heat use in the total energy balance ... -
Identifying typical hourly DHW energy use profiles in a hotel in Norway by using statistical methods
Ivanko, Dmytro; Nord, Natasa; Sørensen, Åse Lekang; Plesser, Thale Sofie Wester; Walnum, Harald Taxt; Sartori, Igor (Journal article; Peer reviewed, 2019)The aim of this research is to improve the existing approaches of domestic hot water (DHW) energy use analysis in buildings. A comprehensive statistical analysis of hourly DHW energy use for a hotel in Oslo, Norway, was ... -
Innovasjonsrapport 2020. Forskningssenteret for nullutslippsområder i smarte byer (FME ZEN)
Bergsdal, Håvard; Sørensen, Åse Lekang; Cervenka, Zdena; Holm, Øystein; Thomsen, Judith; Sartori, Igor; Lindberg, Karen Byskov; Stokke, Raymond Andreas; De Boer, Luitzen; Hamdan, Hasan; Holmen, Elsebeth; Wiik, Marianne Rose Kjendseth; Backe, Stian; Kauko, Hanne; Georges, Laurent; Walnum, Harald Taxt; Lien, Synne Krekling; Skaar, Christofer; Wolfgang, Ove; Brattebø, Helge; Lausselet, Carine; Resch, Eirik; Sandberg, Nina Holck; Pinel, Dimitri; Thorvaldsen, Kasper Emil; Alonso, Maria Justo; Askeland, Magnus; Petersen, Sobah Abbas; Favero, Matteo; Carlucci, Salvatore; Liu, Peng (ZEN Report;, Research report, 2020)Forord. Forskning og innovasjon er grunnpilaren i vår visjon om å utvikle bærekraftige områder med null klimagassutslipp. Innovasjonskomiteen skal bistå senterledelsen i dette arbeidet gjennom å etablere gode innovasjonsprosesser ... -
Inverse Model Identification of the Thermal Dynamics of a Norwegian Zero Emission House
Vogler-Finck, Pierre; Clauß, John; Georges, Laurent; Sartori, Igor; Wisniewski, Rafael (Chapter, 2019)Dynamical model identification is an essential element in the implementation of a model predictive controller. In this work, a control-oriented first order model was identified in a dedicated experiment on a super-insulated ... -
Investigation of the Model Structure for Low-Order Grey-Box Modelling of Residential Buildings
Yu, Xingji; Georges, Laurent; Knudsen, Michael; Sartori, Igor; Imsland, Lars Struen (Chapter, 2019)Model Predictive Control (MPC) is a key technology to activate the building energy flexibility. A reliable control-based model should be developed for each specific building. The structure of grey-box models is usually ... -
Investigations of Different Control Strategies for Heat Pump Systems in a Residential nZEB in the Nordic Climate
Clauss, John; Sartori, Igor; Alonso, Maria Justo; Thalfeldt, Martin; Georges, Laurent (Chapter, 2017)The paper investigates different control strategies for a ground source heat pump of a Norwegian residential zero emission building, with detailed dynamic simulations (here using IDA ICE). These rule-based controls aim at ... -
Is It Possible to Supply Norwegian Apartment Blocks with 4th Generation District Heating?
Rønneseth, Øystein; Sartori, Igor; Sandberg, Nina Holck (Journal article; Peer reviewed, 2019)Direct electricity is widely used for heating purposes in Norway, leading to significant strain on the electricity grid during the heating season. Conversion to 4th generation district heating (4GDH) is an effective method ... -
Modelica Emulator for MPC Applications in Buildings
Gundersen, Martine Walvik (Master thesis, 2021)Bygninger bidrar til verdens energibruk og utslipp av klimagasser. En foreslått løsning for å redusere energibruken i eksisterende bygninger er å implementere avanserte kontrollstrategier. Et forslag er modell prediktiv ... -
Prediction of DHW energy use in a hotel in Norway
Ivanko, Dmytro; Nord, Natasa; Sørensen, Åse Lekang; Sartori, Igor; Plesser, Thale Sofie Wester; Walnum, Harald Taxt (Journal article; Peer reviewed, 2019)Domestic hot water (DHW) systems are significant consumers of energy in buildings. This article is dedicated to hourly and daily DHW energy use modeling, with the aim of achieving energy savings in buildings. The methods ... -
Predictive rule-based control to activate the energy flexibility of Norwegian residential buildings: Case of an air-source heat pump and direct electric heating
Clauß, John; Stinner, Sebastian; Sartori, Igor; Georges, Laurent (Peer reviewed; Journal article, 2019)The building energy flexibility potential of a Norwegian single-family detached house is investigated using predictive rule-based control (PRBC) and building performance simulation (using IDA ICE). Norwegian timber buildings ...