Browsing ODA Open Digital Archive by Author "Madessa, Habtamu Bayera"
Now showing items 1-20 of 38
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A Review of the Performance of Buildings Integrated with Phase Change Material: Opportunities for Application in Cold Climate
Madessa, Habtamu Bayera (Journal article; Peer reviewed; Journal article, 2014-12-26)Buildings generally need serious attention in order to reduce global energy consumption and greenhouse gas emissions. Phase Change Materials (PCMs) that change phase just above normal room temperature are a promising means ... -
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 (Sustainable Energy Technologies and Assessments;Volume 44, April 2021, 101020, Journal article; Peer reviewed, 2021-02-01)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 ... -
Analyse av brønnpark for kontorbygg: Varme og kjølesystem
Bergsvenkerud, Jarl André (MAEN;2019, Master thesis, 2019)Powerhouse Kjøbo er et rehablitert kontorbygg, et nullutslippbygg. Ved Powerhouse Kjørbo er det to brønnparken, en sør-øst for de fem blokkene og en nord-vest. Det er brønnparken som ligger nord-vest for blokkene ved ... -
Analyse av faseendrede materialer i passivhus enebolig under forskjellige klimatiske forhold
Ali, Umar Vaqas (MAEN;2020, Master thesis, 2020)Avhandlingens første hoveddel er konsentrert rundt referansebygget som har passivhuskrav iht. NS3700. PCMer anvendes for å se hva som gir best resultat. Målet er optimalisering av hva som er best i henhold til hvilket ... -
Analyse av solassistert varmepumpe i norske passivhus eneboliger
Rastad, Lars Øgar (MAEN;2019, Master thesis, 2019)Det er gjort simuleringer og analyser av et modulert varmesystem hvor det er tatt i bruk solassistert varmepumpe. Undersøkelsene tar utgangspunkt i en bolig modulert i simuleringsprogrammet IDA ICE. Boligen representerer ... -
Bruken av faseendringsmaterialet i kontorbygg under forskjellige klimatiske forhold
Abdirazak, Mohamed (MAEN;2020, Master thesis, 2020)Denne avhandlingen gikk ut på å vurdere bidraget til faseendringsmaterialet så kalt PCM for å få ned temperatur og antall timer over 26 grader celsius samt kjølebehovet i et kontorbygg som tilfredsstiller passivhuskravet, ... -
Building Retrofitting through Coupling of Building Energy Simulation-Optimization Tool with CFD and Daylight Programs
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Energies;Volume 14, Issue 8, Peer reviewed; Journal article, 2021-04-14)Simultaneous satisfaction of both thermal and visual comfort in buildings may be a challenging task. Therefore, this paper suggests a comprehensive framework for the building energy optimization process integrating ... -
Calibrating an archetype model for predicting space heating energy consumption in older residential buildings: a case study of a building in Oslo and Trondheim
Karlsen, Gard Nordgård (Master thesis, 2024)This thesis is part of the COFACTOR project led by the SINTEF Community. The project aims to identify when and why peak loads occur through the collection of energy measurements of buildings. The thesis is related to a ... -
CFD study on the effect of Archimedes number and heating rate on the thermal stratification of aventilated office
Rabani, Mehrdad; Madessa, Habtamu Bayera; Nord, Natasa (Chapter; Peer reviewed, 2018)This paper dealt with simulating a typical occupied office equipped with displacement ventilation using CFD method. The STAR-CCM+ commercial software was employed for performing the simulations in order to analyze the trend ... -
Characteristics of Viscosity of a Scale Inhibitor: An Experimental Study
Gamst, Sindre Kalstad; Salo, Espen Fanøy; Eide, Eirik Smith; Madessa, Habtamu Bayera; Chaudhuri, Arnab (Peer reviewed; Journal article, 2023) -
Dimensjonering og optimalisering av CO2-varmepumpeanlegg
Kjellesvik, Emil Mikael Weiseth; Håkon, Haglund Norstrand (Bachelor thesis, 2018-05-23)Denne oppgaven har tatt for seg hvordan en CO2-varmepumpe kan brukes til rom- og tappevannsoppvar-ming. Det er utarbeidet to skript i Engineering Equation Solver der det er simulert drift under ulike forhold og ved ... -
Eksperimentell og numerisk evaluering av kjøleytelse for sparkel med faseendringsmateriale anvendt på kontor for å forbedre termisk inneklima.
Phengphan, Chakkrit (MAEN;2020, Master thesis, 2020)Hovedmålet var å undersøke hvor mye PCM-sparkelen bidrar til å redusere rom-temperaturen og forbedring av termisk inneklima i form av passiv kjøling, gitt pået kontor på en varm sommerdag i det nordiske klimaet. Målinger ... -
Energy performance and fire resistance of novel PCM
Bergesen, Sebastian (MAEN;2022, Master thesis, 2022)Cooling is the fastest-growing energy demand in buildings, with the prediction of energy for space cooling to triple by the year 2050. One of the interesting ways to tackle this problem is to reduce the energy load during ... -
Experimental and numerical studies on thermal performance and optimization of night ventilation strategies for improvement of cooling energy performance in office cubicles with PCM-enhanced spackling
Aamodt, Andreas (MAEN;2020, Master thesis, 2020)PCM enhanced wallboards on internal surfaces of building spaces is an attractive solution for improvement of thermal performance in buildings. This work deals with using a novel spackling compound as a primer coating ... -
Experimental and numerical studies on thermal performance of an office cubicle having gypsum boards coated with PCM-enhanced spackling
Vik, Tor Arvid; Madessa, Habtamu Bayera; Chaudhuri, Arnab; Aamodt, Andreas; Phengphan, Chakkrit; Afriyie, Ebenezer Twumasi (SINTEF Proceedings;No 5, Journal article; Peer reviewed, 2020)PCM enhanced wallboards on internal surfaces of building spaces is an attractive solution for improvement of thermal performance in buildings. This work deals with using a novel spackling compound as a primer coating ... -
Life cycle analysis of GHG emissions from the building retrofitting: The case of a Norwegian office building
Rabani, Mehrdad; Madessa, Habtamu Bayera; Ljungström, Malin; Aamodt, Lene; Løvvold, Sandra; Nord, Natasa (Building and Environment;Volume 204, 15 October 2021, 108159, Peer reviewed; Journal article, 2021-07-16)Through a systematic study, this paper conducted a life cycle assessment (LCA) consisting of evaluation of both embodied and operational emissions of different building retrofitting scenarios for a typical office building, ... -
Minimizing delivered energy and life cycle cost using Graphical script: An office building retrofitting case
Rabani, Mehrdad; Madessa, Habtamu Bayera; Mohseni, Omid; Nord, Natasa (Applied Energy;Volume 268, 15 June 2020, 114929, Journal article; Peer reviewed, 2020-04-21)Selecting the most cost-effective retrofit interventions to achieve a significant reduction of energy use and CO2 emissions in the building sectors is challenging, because a large number of possible retrofitting options ... -
On the Energy Performance of Micro-Encapsulated Phase Change Material Enhanced Spackling with Night Ventilation
Aamodt, Andreas; Chaudhuri, Arnab; Madessa, Habtamu Bayera; Vik, Tor Arvid (Applied Sciences;volume 11, issue 4, Peer reviewed; Journal article, 2021-02-06)Phasechangematerial(PCM)isanattractivesolutionforimprovementofthermalperfor- mance in buildings, and have excited a vast amount of research in recent years. There are however practical challenges with ensuring adequate ... -
Oppbygging av arketypemodell for kontorbygg: sammenligning av simulert og målt energi- og effektbruk i kontorbygg
Abbas, Usama (Master thesis, 2024)Denne masteroppgaven har som mål å bygge en arketypemodell for gamle kontorbygg i Norge. Hensikten er å sammenligne energi- og effektbruken med målte data. I tillegg skal det utføres en sensitivitetsanalyse for å avdekke ... -
Optimale driftsområder for naturlige kuldemedier i varmepumpesystemer
Jørgensen, Henrik (Master thesis, 2022)Hovedhensikten med denne masteroppgaven er å avdekke gunstige driftsområder for de tre naturlige kuldemediene ammoniakk, CO2 og propan ved å undersøke effektiviteten gjennom en rekke forskjellige scenarioer. Det er tatt ...