Blar i SINTEF akademisk forlag på forfatter "Walnum, Harald Taxt"
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Dimensjonering av varmtvannsrør i bygg – Resultater fra prosjektet VarmtVann2030
Stråby, Karolina; Walnum, Harald Taxt; Sørensen, Åse Lekang (SINTEF Fag;81, Research report, 2021)Denne rapporten presenterer prosjektresultater fra det fireårige forskningsprosjektet "VarmtVann2030 – Energi til tappevann i det norske lavutslippssamfunnet". Rapporten sammenfatter resultater fra detaljerte feltmålinger ... -
Energibruk til varmt tappevann – Resultater fra prosjektet VarmtVann2030
Walnum, Harald Taxt; Sørensen, Åse Lekang; Stråby, Karolina (SINTEF Fag;80, Research report, 2021)Rapporten presenterer resultater som omhandler energibruk til produksjon av varmt tappevann. Prosjektresultater som gjelder dimensjonering av rørsystemer, er beskrevet i rapporten "Dimensjonering av varmtvannsrør i bygg – ... -
Identifying grey-box models of Norwegian apartment block archetypes
Bagle, Marius; Walnum, Harald Taxt; Sartori, Igor (SINTEF Proceedings;5, Chapter; Peer reviewed; Conference object, 2020)Identification of grey-box models to describe the heat dynamics of buildings is treated extensively in literature, However, to identify these models, data from controlled heating experiments is needed, which is not feasible ... -
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;28, 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 ... -
Integration of a high-temperature borehole thermal energy storage in a local heating grid for a neighborhood
Jokiel, Michael; Rohde, Daniel; Kauko, Hanne; Walnum, Harald Taxt (SINTEF Proceedings;5, Chapter; Peer reviewed; Conference object, 2020)A borehole thermal energy storage (BTES) will be built in a refurbished residential district in Oslo, Norway. The new heating demand for the neighborhood is estimated to be 26 GWh/year. To partially meet this heating demand, ... -
Model predictive control of District Heating substations for flexible heating of buildings
Walnum, Harald Taxt; Sartori, Igor; Bagle, Marius (SINTEF Proceedings;5, Chapter; Peer reviewed; Conference object, 2020)The potential in cost and energy savings by replacing a feed forward weather compensated control (WCC) controlled radiator system with a linear MPC controller is investigated in a Modelica-Python setup. It is shown that ... -
Pilot Building Powerhouse Kjørbo. As Built Report
Sørensen, Åse Lekang; Andresen, Inger; Walnum, Harald Taxt; Alonso, Maria Justo; Fufa, Selamawit Mamo; Jenssen, Bjørn; Rådstoga, Olav; Hegli, Tine; Fjeldheim, Henning (ZEB Project report;35, Research report, 2017)Powerhouse Kjørbo, located in Sandvika near Oslo, consists of two office blocks from the 1980´s that have been upgraded to energy-efficient and modern offices. The Powerhouse goal is that the refurbished buildings over ... -
Thermal Energy Systems in ZEN: Review of technologies relevant for ZEN pilots
Walnum, Harald Taxt; Fredriksen, Eyvind (ZEN Report;3, Research report, 2018)This report reviews state-of-the-art on thermal energy systems for neighbourhoods. Main focus is on technologies related to 4th generation district heating (4GDH), biomass combined heat and power (CHP) systems, ground ...