TKD - Department of Civil Engineering and Energy Technology

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 Academic Press, 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 ...

POD-interpolation based prediction of indoor airflows

Kluftødegård, Mats; Chaudhuri, Arnab (SINTEF akademisk forlag, 2020)

This work reports a proper orthogonal decomposition (POD)-interpolation based prediction of indoor airows related to displacement ventilation. Steadystate computational uid dynamics (CFD) solution snapshots with varying ...

Impact of Typical Faults Occurring in Demand-controlled Ventilation on Energy and Indoor Environment in a Nordic Climate

Andersen, Kamilla Heimar; Holøs, Sverre Bjørn; Yang, Aileen; Thunshelle, Kari; Fjellheim, Øystein; Jensen, Rasmus (EDP Open, 2020-06-30)

This study evaluates typical faults occurring in demand-controlled ventilation (DCV) system and the impact on three output results: energy use, thermal comfort, and indoor air quality. The methodologies used in this study ...

Seismic Performance Evaluation of Special RC Frames with Gravity Steel Columns under the Base Level

Zaherdannak, Amin; Shabani, Amirhosein; Erfani, Saeed (Hindawi, 2020-06-30)

In many multistory buildings, basement levels are used as parking spaces. However, dimensions of reinforced concrete columns at these levels cause them to be unideal parking spaces. An alternative is to replace the RC ...

Prediction of the Load-Bearing Behavior of SPSW with Rectangular Opening by RBF Network

Mohammad Javad, Moradi; Roshani, Mohammad Mahdi; Shabani, Amirhosein; Kioumarsi, Mahdi (MDPI, 2020-02-10)

As a lateral load-bearing system, the steel plate shear wall (SPSW) is utilized in different structural systems that are susceptible to seismic risk and because of functional reasons SPSWs may need openings. In this ...

Cooling Performance of a New Designed Trombe Wall Integrated with Solar Chimney, Water Spraying System, and Rectangular Thermal Fin Arrays: An Experimental Approach

Rabani, Mehran; Rabani, Mehrdad; Rabani, Ramin; Kalantar, Vali (International Information and Engineering Technology Association, 2020-06-30)

With the shortage of the energy and the improvement of people's environmental requirements, it has received more and more attention to realize building energy efficiency through new energy sources. Trombe wall is a technology ...

A study into prevention of antibiotics resistance through enhanced building infrastructure design and management strategies

Rolfsen, Christian Nordahl; Rønning, Per Ola; Bull, Jack Lie; Chițonu, Cristina (IOP Publishing, 2020)

This study is part of a larger research project, which looks at how modern hospitals are built in Norway, and what can be done to make hospitals more user friendly and purpose built. It looks at how medical facilities can ...

A Method to Calibrate Building Simulation Model Through Visual Inspection and Smart Meter

Gonzalez Caceres, Alex (IOP Publishing, 2020)

Several energy programs worldwide have used building inspection to overcome the lack of knowledge on technical parameter that are needed to upgrade existing buildings to make them more efficient. Due to the large amount ...

Analysis of shock-wave diffraction over double cylindrical wedges. Part II: Vorticity generation

Brahmi, N; Hadjadj, Abdellah; Soni, V; Chaudhuri, Arnab (Elsevier, 2020-02-18)

The unsteady aspect of turbulent flow structures generated by a shock-wave diffraction over double cylindrical wedges, with initial diffracting angle of 75∘, are numerically investigated by means of two-dimensional ...

Analysis of shock-wave diffraction over double concave cylindrical wedges. Part I: Shock dynamics

Brahmi, N; Hadjadj, Abdellah; Soni, V; Chaudhuri, Arnab (Elsevier, 2020-01-31)

Shock-wave diffraction over double concave cylindrical surfaces has been numerically investigated at different flow regimes by varying the incident-shock-wave Mach number from Ms=1.6 (transonic) to Ms=4.5 (supersonic ...

Minimizing delivered energy and life cycle cost using Graphical script: An office building retrofitting case

Rabani, Mehrdad; Madessa, Habtamu Bayera; Mohseni, Omid; Nord, Natasa (Elsevier, 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 ...

Implementation of Building Information modeling in Vietnamese infrastructure construction: A case study of institutional influences on a bridge project

Bui, Nam (Wiley Online Library, 2019-11-18)

Many of today's building designs are created based on three‐dimensional modeling technology. Architects and engineers use so‐called building information modeling (BIM) systems to create digital representations of buildings. ...

Fully integrated numerical design tool to assess thethermal performance of phase change materials (PCM) inthe built environment

Rubinetti, Donato; Weiss, Daniel A.; Kraniotis, Dimitrios; Chaudhuri, Arnab (IOP Publishing, 2020)

Thermal energy storage with phase change materials (PCM) is a promising candidate to promote resource sustainability in buildings. The intelligent selection and usage of a PCM within the structure of a building poses a ...