Blar i NTNU Open på forfatter "Nord, Natasa"
-
A Hybrid Biomass Hydrothermal Gasification- Solid Oxide Fuel Cell System Combined with Improved CHP Plant for Sustainable Power Generation
Mustafa, Mahmoud; Nord, Natasa; Calay, Rajnish K; Mustafa, Mohamad (Journal article; Peer reviewed, 2017)The most popular technique, so far, for biomass waste to energy conversion has been incineration, but this technique has raised a lot of objection among nature activists due to the release of particulate matter and pollutants ... -
A state-of-art review of retrofit interventions in buildings towards nearly zero energy level
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Journal article; Peer reviewed, 2017)Unmistakably, buildings retrofitting brings the possibilities to reduce energy use and greenhouse gas emissions. However, selecting specific retrofit strategies is complex and requires careful planning. There are already ... -
A variation focused cluster analysis strategy to identify typical daily heating load profiles of higher education buildings
Ma, Zhenjun; Yan, Rui; Nord, Natasa (Journal article; Peer reviewed, 2017)This paper presents a variation focused cluster analysis strategy to identify typical daily heating energy usage profiles of higher education buildings. Different from the existing cluster analysis studies which were ... -
Achieving zero-energy building performance with thermal and visual comfort enhancement through optimization of fenestration, envelope, shading device, and energy supply system
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Peer reviewed; Journal article, 2021)Building retrofitting towards nearly zero energy building (nZEB) with comfortable visual and thermal conditions, requires a comprehensive parametric analysis of building retrofit measures. This paper presented an optimization ... -
Active supply diffuser application in all-air heating systems
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Journal article; Peer reviewed, 2019)Substantial reductions in energy use can be achieved by promoting low energy building technologies such as all-air systems. There is an idea that integrating active supply diffuser with all-air systems can potentially ... -
An overall methodology to define reference values for building sustainability parameters
Moschetti, Roberta; Mazzarella, Livio; Nord, Natasa (Journal article; Peer reviewed, 2015)The paper presents a methodology to define reference values regarding building environmental impacts, energy outputs, and global costs. Four exemplary Italian residential categories were analyzed, focusing on the recent ... -
Analyse av effekttopper og minskning av effekttopper i fjernvarmesystemer
Helgerud, Stian (Master thesis, 2018)Fortum Oslo Varme leverer fjernvarme til privatboliger og næringsbygg i Oslo-området. For et fjernvarmeselskap er det utfordringer i drift knyttet til effekttopper i nettet. Det forekommer hovedsakelig om morgenen og på ... -
Analyse av energiytelser til sirkulasjonspumper i bygninger
Hansen, Jonas Skoog (Master thesis, 2013)Kravene til energibruk i bygninger har blitt stadig strengere de seneste årene. Dette stiller ikke bare store krav til bygningskroppen, men også til de tekniske systemene inne i bygningen. I EU finnes det over 140 millioner ... -
Analyse og optimailsering av CO2-varmepumpe i idrettsanlegg
Halvorsen, Henrik (Master thesis, 2020)Fyret Flerbrukshus gir innbyggerne på øya Jøa, nord i Trøndelag, et samlingspunkt med muligheter formangfoldig bruk. Bygget stod ferdig i 2017 og bruker moderne løsninger innenfor alle tekniske fasiliteter. En CO2-varmepumpe ... -
Analyses and Evaluation of the Heat Pump Based Energy Supply System Integrating Short- and Long Term Storages – Analyses of Sizing and Operation
Eikeskog, Vilde (Master thesis, 2020)Termiske energisystemer som leverer oppvarming og kjøling til en bygning eller et område har blitt mer kompliserte det siste tiåret. Kjølebehovet for bygninger i Norge har økt, og dette har resultert i mer komplekse termiske ... -
Analysis and modelling of heat energy use in an office building utilizing monitoring data and building simulations
Barth-Stenersen, Liv Marie (Master thesis, 2020)Denne oppgaven har som målsetning å analysere og modellere varmeenergien til et kontorbygg i Trondheim, Norge. En evaluering av den instrallerte kapasiteten til varmeanlegget ble gjennomført. Under denne analysen ble det ... -
Analysis of an integrated heating and cooling system for a building complex with focus on long–term thermal storage
Rohde, Daniel; Andresen, Trond; Nord, Natasa (Journal article; Peer reviewed, 2018)Modern building complexes have simultaneous heating and cooling demands. Therefore, integrated energy systems with heat pumps and long-term thermal storage are a promising solution. An integrated heating and cooling system ... -
Analysis of CO2 heat pump for low energy residential building
Thoreby, Aleksander Olsen (Master thesis, 2013)In low energy buildings heat loss is reduced through energy-saving measureslike heat recovery of ventilation air and a well-insulated buildingenvelope. Consequently the demand for domestic hot water often makesup a larger ... -
Analysis of district heating systems integrating distributed sources
Shakerin, Mohammad (Master thesis, 2017)Renewable energies sources are found to be the promising solution toward the prospect of environmental friendly and energy efficient societies. District heating systems play an important role concerning utilization of ... -
Analysis of electricity use and economic impacts for buildings with electric heating under lockdown conditions: examples for educational buildings and residential buildings in Norway
Ding, Yiyu; Ivanko, Dmytro; Cao, Guangyu; Brattebø, Helge; Nord, Natasa (Peer reviewed; Journal article, 2021)The COVID-19 pandemic has caused significant impacts on energy demand in Norway and many countries. It is important to improve the existing knowledge of building operation under unforeseeable disturbances. This study aimed ... -
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 ... -
Analysis of energy use at university campus
Sretenovic, Aleksandra (Master thesis, 2013)The study of the building energy demand has become a topic of great importance, because of the significant increase of interest in energy sustainability. University campuses represent specific groups of diverse buildings, ... -
Analysis of heat use profiles in Norwegian educational institutions in conditions of COVID-lockdown
Ivanko, Dmytro; Ding, Yiyu; Nord, Natasa (Peer reviewed; Journal article, 2021)The COVID-19 pandemic at the beginning of 2020 has significantly affected the energy demand in Norway. In order to avoid unnecessary energy use and ensure the proper functioning of buildings, it becomes essential to have ... -
Analysis of monthly and daily profiles of DHW use in apartment blocks in Norway
Ivanko, Dmytro; Walnum, Harald Taxt; Sørensen, Åse Lekang; Nord, Natasa (Peer reviewed; Journal article, 2020)Profiles of domestic hot water (DHW) use give valuable information for achieving energy saving in buildings. In this article, analysis of monthly and hourly profiles in apartment blocks in Norway was performed. The aim was ... -
An ANN-based optimization approach of building energy systems: Case study of swimming pool
Li, Yantong; Nord, Natasa; Zhang, Nan; Zhou, Cheng (Peer reviewed; Journal article, 2020)Reliable models are necessary for optimization of building energy systems. However, artificial neural network (ANN) models developed by measured data is hard to accurately reflect physical characteristics of systems due ...