• 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 ...
    • Flomveger og flomplanlegging i Hamar 

      Granhus, Thea Caroline (Bachelor thesis, 2018)
      SAMMENDRAG I dag opplever vi at flom og overvann er et økende problem i samfunnet, som en konsekvens av urbanisering og klimaendringer. Det blir derfor viktigere å tilrettelegge og planlegge for disse utfordringene i ...
    • Massivtre som bæresystem i prosjektet Bispevika B6A 

      Fjell, Anders; Holm, Jan Erik Edvardsen (Bachelor thesis, 2018)
      Dr. Techn. Olav Olsen AS prosjekterer boligbyggene i prosjektet Bispevika B6A i Oslo, som består av 9 bygg i tre forskjellige størrelser. Oppgaven vurderer om det er hensiktsmessig å benytte massivtre i hovedbæresystemet ...
    • Fiber reinforced polymer (FRP) som slakkarmering i momentpåkjente betongkonstruksjoner. 

      Wilhelmsen, Martin; Lundeland, Vlad Aleksander; Tveit, Sigbjørn (Bachelor thesis, 2018)
      Denne bacheloroppgaven omhandler bruken av ikke-metallisk slakkarmering i momentpåkjente konstruksjonselementer av betong. Formålet var å danne et bilde av armeringens virkning i betongkonstruksjoner. Oppgaven omhandler ...
    • Effektivisering av dagens arbeidsprosess - Modelloverføring mellom BIM-verktøyet Revit og konstruksjonsanalyseprogram 

      Igland, Håkon; Dahl, Jørgen; Buene, Louise Benedikte Gjelseth; Pedersen, Marita Grundberg (Bachelor thesis, 2018)
      Oppgavens formål har vært å utrede om modelloverføring mellom modelleringsprogrammet Autodesk Revit og analyseverktøyene Autodesk Robot og StruSoft FEM-Design kan utnyttes for å effektivisere prosjekteringsfasen i ...
    • T-banestasjon i Homansbyen 

      Guttormsen, Eline; Johnsen, Ida-Helene; Nøsted, Anette (Bachelor thesis, 2018)
      Estimater for befolkningsvekst i Oslo Kommune, fra Statistisk sentralbyrå (SSB), tilsier at en forbedring av kollektivtilbudet er helt nødvendig for å dekke fremtidige behov. Denne oppgaven tar for seg mulige alternativer ...
    • VOC emission rates in newly built and renovated buildings, and the influence of ventilation – a review and meta-analysis 

      Holøs, Sverre Bjørn; Yang, Aileen; Lind, Merethe; Thunshelle, Kari; Schild, Peter; Mysen, Mads (The International Journal of Ventilation;, Journal article; Peer reviewed, 2018-02-20)
      Few field studies have evaluated ventilation strategies, such as temporarily increasing the ventilation rate, to counter the high pollutant-load from off-gassing of volatile compounds from new materials in these buildings. ...
    • Computational structural engineering: Past achievements and future challenges 

      Plevris, Vagelis; Tsiatas, George C. (Frontiers in Built Environment;Volume 4, Article 21, Journal article; Peer reviewed, 2018-04-10)
    • Digitalt fortrinn: Effektivisering av prosjekteringsoppgaver innen VVS ved bruk av visuell programmering 

      Ilgen, Murat; Nordeidet, Markus; Tørholen, Terje Prestby; Økland, Pawel (Bachelor thesis, 2018-05-22)
      I denne oppgaven ble det sett på Dynamo, og muligheten dette verktøyet har for å effektivisere VVS prosjektering. Skript har blitt utviklet for dette formålet og det har også blitt sett på hvordan utvikling av egne skript ...
    • Pipe losses : A numerical study using Computational Fluid Dynamics 

      Ørvik, Eskil Bro; Borgen, Kjell Løvtangen (Bachelor thesis, 2018-05-22)
      This report contains the results from the simulations done in STAR-CCM+ to predict pipe losses, including a validation case with straight smooth/rough pipes, and smooth pipes with 90 degree bends. Results show excellent ...
    • Energieffektivitet i vannbårne energianlegg: Akkumuleringstankens påvirkning på systemtemperatur 

      Enget, Eivind; Kluftødegård, Mats; Smehaug, Helene (Bachelor thesis, 2018-05-22)
      Oppgaven omhandler varmesiden til et vannbårent energianlegg på et referansebygg, hvor anlegget siden overtagelse ikke har fungert optimalt. Problemstillingen til oppgaven er todelt. Den tar i førse omgang for seg faktorer ...
    • CFD analysis of displacement ventilation 

      Lambarki, Faical; Taftø, Jan Andreas Cacal; Dahir, Mahamud Hussein (Bachelor thesis, 2018-05-23)
      Displacement ventilation is an air supply method that uses supplied air near the floor at low velocity and fewer degrees below the air in the room. Well-designed displacement ventilation gives sufficient air quality, thermal ...
    • 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 ...
    • Usability of the EPC tools for the profitability calculation of a retrofitting in a residential building 

      Gonzalez Caceres, Alex; Diaz, Muriel (Sustainability;10(9), Journal article; Peer reviewed, 2018-09-04)
      After the oil crisis in the 70s energy regulation codes were implemented, but a great portion of existing dwellings have not been retrofitted to current requirements. To face this issue several actions were taken in the ...
    • Shortcomings and Suggestions to the EPC Recommendation List of Measures: In-Depth Interviews in Six Countries 

      Gonzalez Caceres, Alex (Energies;Volume 11, Issue 10, Journal article; Peer reviewed, 2018-09-21)
      Dwellings built between 1945 and 1980 have the largest energy demand in the EU, which by 2009 represented 70% of the final energy use in buildings. A great portion of these dwellings have not been retrofitted and most of ...
    • OpenSeismoMatlab: A new open-source software for strong ground motion data processing 

      Papazafeiropoulos, George; Plevris, Vagelis (Heliyon;Volume 4, Issue 9, Journal article; Peer reviewed, 2018-09-26)
      OpenSeismoMatlab is an innovative open-source software for strong ground motion data processing, written in MATLAB. The software implements an elastoplastic bilinear kinematic hardening constitutive model and uses a ...
    • Numerical simulation of reinforced concrete cut-off wall with steel fibers under dam 

      Kazemi, Homa; Kioumarsi, Mahdi; Zarghani, Mohsen; Sarkardeh, Hamed (SynerCrete'18: Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time.;Vol. 1&2, Chapter; Chapter; Peer reviewed, 2018-10-22)
      One of the main components of dams is the cut-off wall, which any damage to this concrete structure could encounter the dam with danger. Flexural behavior of concrete is an important factor in view of creating and growing ...
    • Using intelligent system approach for shear strength forecasting of steel fiber-reinforced concrete beams 

      Kheyroddin, Ali; Ahmadi, Masoud; Kioumarsi, Mahdi (SynerCrete'18: Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time.;Vol. 1&2, Chapter; Chapter; Peer reviewed, 2018-10-22)
      Previous studies have shown that brittle failure in reinforced concrete buildings caused huge losses, both in human and economic terms. The appropriate use of steel fibers to a reinforced concrete beam can change the ...
    • Cost-optimal design of flexural concrete beam reinforced with FRP reinforcements 

      Tveit, Sigbjørn; Wilhelmsen, Martin; Lundeland, Vlad Aleksander; Kioumarsi, Mahdi (SynerCrete'18: Interdisciplinary Approaches for Cement-based Materials and Structural Concrete: Synergizing Expertise and Bridging Scales of Space and Time.;Vol. 1&2, Chapter; Chapter; Peer reviewed, 2018-10-22)
      Because of the non-ductile nature of FRP reinforcement, the convention of designing cross-sections with the flexure strength limited by reinforcement yield, as for steel, is not adequate. Although ACI 440.1R-15 gives ...
    • Prediction Models for Thermal Conductivity of Cement-based Composites 

      Hajmohammadian Baghban, Mohammad; Kioumarsi, Mahdi; Grammatikos, Sotirios (Nordic Concrete Research;No. 58 – 1/2018, Journal article; Journal article; Peer reviewed, 2018-10-25)
      Cement-based materials are the most consumed materials in the construction industry. Low or high thermal conductive cement-based materials are of interest in applications such as embedded floor heating systems, building ...