Blar i TKD - Institutt for bygg- og energiteknikk på forfatter "Chaudhuri, Arnab"
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Analysis of shock-wave diffraction over double concave cylindrical wedges. Part I: Shock dynamics
Brahmi, N; Hadjadj, Abdellah; Soni, V; Chaudhuri, Arnab (Acta Astronautica;Volume 172, July 2020, Journal article; Peer reviewed, 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 ... -
Analysis of shock-wave diffraction over double cylindrical wedges. Part II: Vorticity generation
Brahmi, N; Hadjadj, Abdellah; Soni, V; Chaudhuri, Arnab (Acta Astronautica;Volume 172, July 2020, Journal article; Peer reviewed, 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 ... -
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 ... -
CFD modeling of the transport of human respiratory droplets in an indoor environment
Norbeck, Ole Martinius Harket; Sundsdal, Oda Martine; Nambully, Suresh Kumar; Chaudhuri, Arnab (Linköping Electronic Conference Proceedings;, Conference object, 2022)For the last couple of years, the world has faced the global pandemic COVID-19. The viral transmission could occur via different modes like large respiratory droplets, direct contact with contaminated surfaces and airborne ... -
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) -
Convective Melting Modeling Approach for Phase Change Materials with Variable Boundary Heating
Rubinetti, Donato; Weiss, Daniel A.; Chaudhuri, Arnab; Kraniotis, Dimitrios (Linköping Electronic Conference Proceedings;Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59), Journal article; Journal article; Peer reviewed, 2018-11-19)The present study conceives a numerical model for phase change materials following the apparent heat capacity method where the phase change occurs within a chosen temperature interval. A multiphysical modeling approach to ... -
The effects of fan and door opening on a cold storage room: a numerical study
Ayarmal, Azada; Melhus, Ole; Chaudhuri, Arnab (Linköping Electronic Conference Proceedings;Issue: 153, Conference: Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59), Journal article; Journal article; Peer reviewed, 2018-11-19)We present numerical analysis of a cold storage room with a product load, a fan, and a sliding door by solving compressible form of the conservative 3D Navier Stokes equation (without Boussinesq approximation) together ... -
Evaluation of a novel 3-pipe solution for hydronic heat distribution in passive-house standard apartment buildings
Lundblad, Jonathan; Andreassen, Nora; Olsen, Johanna; Chaudhuri, Arnab (SINTEF Proceedings;9, Conference object, 2021)The energy efficiency of new buildings in Norway has been steadily improved over the last decades, but with less heating, hydronic heating systems have adversely increased in price. Lessening electric power consumption in ... -
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 ... -
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 Conference Series: Earth and Environmental Science;Volume 410, Conference object, 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 ... -
Numerical analysis of shock wave diffraction
Chaudhuri, Arnab; Jacobs, Gustaaf B; Hong, Xiao (Chapter; Peer reviewed, 2019)This work reports analysis of complex shockwave diffraction and long-time behavior of shock-vortex dynamics over splitter geometry encountered in both external and internal compressible flows. The simulation resolved the ... -
Numerical Analysis of Shock Wave Diffraction
Chaudhuri, Arnab; Jacobs, Gustaaf B; Hong, Xiao (ISSW: International Symposium on Shock Waves, Chapter, 2019-03-22)This work reports analysis of complex shock wave diffraction and longtime behavior of shock-vortex dynamics over splitter geometry encountered in both external and internal compressible flows. The simulation resolved the ... -
Numerical analysis of the performance of green façades
Poupart, Frédéric; Martine, Oda; Christiansen, Sundsdal Marianne; Melhus, Ole; Chaudhuri, Arnab (Linköping Electronic Conference Proceedings;No. 176: Proceedings of The 61st SIMS Conference on Simulation and Modelling, SIMS 2020, Conference object, 2021-03-03)This study reports a numerical analysis of the performance of green façades in different geographical locations and seasonal conditions. A mathematical model from a previous study is implemented and combined with the ... -
Numerical analysis of the performance of green façades
Poupart, Frédéric; Sundsdal, Oda Martine; Christiansen, Marianne; Melhus, Ole; Chaudhuri, Arnab (Linköping Electronic Conference Proceedings;No. 176, Conference object, 2021)This study reports a numerical analysis of the performance of green façades in different geographical locations and seasonal conditions. A mathematical model from a previous study is implemented and combined with the ... -
On Shock Propagation through Double-Bend Ducts by Entropy-Generation-Based Artificial Viscosity Method
Chaudhuri, Arnab (Entropy;Volume 21, Issue 9, Journal article; Peer reviewed, 2019-08-22)Shock-wave propagation through obstacles or internal ducts involves complex shock dynamics, shock-wave shear layer interactions and shock-wave boundary layer interactions arising from the associated diffraction phenomenon. ... -
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 ... -
Performance analysis of a solar thermal system coupled with a ground source heat pump in Nordic conditions
Wilberg, Sandra Fransson; Madessa, Habtamu Bayera; Chaudhuri, Arnab (E3S Web of Conferences;, Peer reviewed; Journal article, 2022)The main objective of this work is to investigate the energy and exergy performance of a solar assisted ground source heat pump for a school building designed according to Norwegian passive house standard. The system is ... -
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 ... -
POD-interpolation based prediction of indoor airflows
Kluftødegård, Mats; Chaudhuri, Arnab (SINTEF proceedings;No 5, Journal article; Peer reviewed, 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 ... -
Shock propagation and diffraction through cavity
Chaudhuri, Arnab (Linköping Electronic Conference Proceedings;Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59), Journal article; Journal article; Peer reviewed, 2018-11-19)This work presents a numerical analysis of a planar moving shock wave with Mach number Ms = 1.3, travelling through a square cavity geometry with rigid boundaries. A high-order artificial viscosity based Discontinuous ...