Prediction of Thermal Performance of Glass Roof Atriums using CFD Modelling

ASTHANA, Abhishek, SETHURAMALINGAM, Ramamoorthy, WESTON, Peter, GOEL, Mukesh and KANDASAMY, Sarvanakumar (2019). Prediction of Thermal Performance of Glass Roof Atriums using CFD Modelling. In: AL-HABIBEH, Amin, ASTHANA, Abhishek and VUKOVIC, Vladimir, (eds.) The International Conference on Energy and Sustainable Futures (ICESF). Nottingham Trent University Pubilcations.

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Glass covered or glazed atriums are becoming increasingly popular in public spaces for their aesthetics, quick installation and building energy reduction by taking advantage of natural daylight and heating by greenhouse effect. The estimation of the building load of atrium buildings is complicated due to the various thermal phenomena involved. The study aims to estimate the cooling loads or heat gain of glazed atriums, using computational fluid dynamics (CFD) modelling using an actual semi-open pedestrian walkway between two building blocks. Steady Reynolds Averaged Navier Stokes modelling approach with the RNG K-epsilon turbulence model, and the Discrete Ordinates (DO) Radiation models were used in the simulation. The temperature and air flow patterns predicted by the CFD simulations are discussed in this paper under various weather conditions. Results predict temperature gains inside the atrium, identify hot and cold spots and predict thermal comfort.

Item Type: Book Section
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 01 Apr 2020 14:41
Last Modified: 18 Mar 2021 02:00

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